You want to get Productname for a particular ProductID. Re: Case When for Multiple Values in a Group Posted 05-06-2019 02:42 PM (5672 views) | In reply to Reeza Here's the code I used to create the test data, and the code that is … Because his rank isn’t listed in the CASE expression, the ELSE clause doesn’t give him a title. Distribution of values with different query techniques. A CASE expression evaluates a list of conditions and returns one of multiple possible result expressions. In this scenario, we can use CASE expression. In this tutorial, you have learned how to use the PL/SQL CASE statement to control the flow of a program. The number of rows that you can insert at a time is 1,000 rows using this form of the INSERT statement. The PL/SQL CASE statement evaluates the selector only once to decide which sequence of statements to execute. In Case statement, we defined conditions. View all posts by Rajendra Gupta, © 2020 Quest Software Inc. ALL RIGHTS RESERVED. Home » Articles » 9i » Here. They were trying to exclude multiple values from the SQL query, but they were needing to use wildcards. In this syntax, instead of using a single list of values, you use multiple comma-separated lists of values for insertion. The CASE statement chooses from a sequence of conditions, and executes a corresponding statement. While working as a Senior consultant DBA for big customers and having certified with MCSA SQL 2012, he likes to share knowledge on various blogs. However, let’s focus on the SQL CASE statement. The search CASE supports multiple WHEN statements, but it evaluates them one at a time until it finds one that evaluates to True. We can define this condition with a combination of Order by and Case statement. In this case, the value of the variable 'arth_operation' is 'MULTIPLY'. The IN operator is a shorthand for multiple OR conditions. As an example, remember that one way to apply such technique is through the COALESCE or the IFNULL functions.. Expressions return scalar values. The RHS does need to be logical, but all RHSs must evaluate to the same type of vector. I came across a forum post where someone wanted to use SQL NOT LIKE with multiple values. Suppose you have a table that stores the ProductID for all products in a mini-store. The case statement in SQL returns a value on a specified condition. Case Statement returning multiple values. In the following code, we are updating statecode with the following condition. DECLARE @pdId int SET @pdId = 31 DECLARE @isExists varchar(55) SET @isExists = CASE WHEN EXISTS (SELECT PersonalDetailsId FROM Accounts WHERE PersonalDetailsId = … There are two types of SQL Server Case Statements, and they are: Simple Case Statement: The simple SQL case statement compares the input_expression to a series of test_expressions, followed by the WHEN keyword.Once it found the match, the Case statement will return the corresponding result_expression, followed by the THEN keyword.If there is no match then, the SQL Server Case … Example. To understand how the value form works, consider a case in which you have a table containing the names and ranks of various military officers. Introduction to PL/SQL CASE Statement. You could use the CASE statement in a SQL statement as follows: (includes the expression clause). So, once a condition is true, it will stop reading and return the result. In the following example, we want to get Product name for ProductID 4.it does not satisfy Case statement condition; therefore, it gave output from Else expression. It is used within a SELECT statement when we want to return a specific value, based on some condition.. Re: Case When for Multiple Values in a Group Posted 05-06-2019 02:42 PM (5672 views) | In reply to Reeza Here's the code I used to create the test data, and the code that is … For example, ... You can use nested CASE statements so that the return value is a CASE expression. However, let’s focus on the SQL CASE statement. It can often server a function similar to an If/Else construct in other languages. In the following output, you can see old Statcode (left-hand side) and updated Statecode for the employees based on our conditions in the Case statement. Both formats support an optional ELSE argument. Its syntax can vary depending on what we want to show. Oracle CASE expression allows you to add if-else logic to SQL statements without having to call a procedure.The CASE expression evaluates a list of conditions and returns one of the multiple possible results. We get the following values for gender. Database tables have definite values in fields containing known contents. CASE Expressions And Statements in Oracle. Example. In this output, we get minimum and maximum salary for a particular designation. I have SQL server Table in which there is column that I wanted to update according to a 2 columns value that are present in current row. We have following records in Employee table. Both formats support an optional ELSE argument. In this article, we would explore the CASE statement and its various use cases. To set a variable value in SQL server based on true / false result, CASE statements can be used. Image 6-Case-Multiple-Conditions-In-When We explored the SQL Server CASE statement and also saw the CASE WHEN example. The value match CASE expression, or simple CASE expression, compares the value of the expression (DEPTNO), with the list of comparison expressions (10 - 40). In this case I am relying on the fact that SQL Server chose to evaluate the expression in the subquery and not introduce it to the searched CASE expression, but this is merely to demonstrate that distribution can be coerced to be more even. Therefore, you can provide a list of values to search in the table. In the Case statement, it checks for the required values and inserts values from THEN expression in the table. The CASE expression is like a more flexible version of the DECODE function. The expression tries each comparison value in turn, all the way down to valuen, until it achieves a match. unless he wanted to go with dynamic SQL but that opens up a whole other can of worms which may not be needed since the multiple case statements is a way i have done a query in the past. Example 2: Use a searched case statement WHEN clause to update column DEPTNAME in table DEPT, depending on the value of SQL variable v_workdept. The CASE statement chooses from a sequence of conditions, and executes a corresponding statement. However, if you’re reaching the limit of 255 expressions, I would be looking at the efficiency of the query itself, as most queries should not need 255 expressions. Once a condition is satisfied, its corresponding value is returned. We have following syntax for a case statement in SQL with a simple expression We need to insert the required values M and F for employee gender. The WHEN clauses are tested in left-to-right order and the first TRUE is executed. It can often server a function similar to an If/Else construct in other languages. The CASE statement evaluates a single expression and compares it against several potential values, or evaluates multiple Boolean expressions and chooses the first one that is TRUE.. Syntax. In this scenario, we can use CASE expression. Re: Case Statement Like With Multiple Values Posted 01-12-2018 11:44 AM (12482 views) | In reply to Dogo23 It never hurts to provide some example data in the form of a data step that demonstrates what you have and then what you want the result for that data to be. In the following query, you can see we specified Order By and Case together. If tests_value is not equal to value1 but is equal to value2, then the expression takes on the value result2. Case in Select Statement (2) I think these could be helpful for you . The SQL CASE Statement The CASE statement goes through conditions and returns a value when the first condition is met (like an IF-THEN-ELSE statement). In the following screenshot, we can see the newly inserted row contains Gender M instead of value 0. If you wanted to just filter values without wildcards, you would use the following query. Explore Amazon Aurora global databases with MySQL compatibility, Deploy your Amazon Aurora database clusters for MySQL, Web Scraping for SQL Machine learning using R scripts, Commonly used SQL Server Constraints: FOREIGN KEY, CHECK and DEFAULT, Different ways to SQL delete duplicate rows from a SQL Table, How to UPDATE from a SELECT statement in SQL Server, SQL Server table hints – WITH (NOLOCK) best practices, SQL multiple joins for beginners with examples. Can You Use An SQL CASE Statement In WHERE Clause? If the selector value is equal to expression in the WHEN clause, the corresponding sequence of … The Oracle CASE statements can do all that DECODE does plus lot of other things including IF-THEN analysis, use of any comparison operator and checking multiple conditions, all in a SQL query itself. The Syntax. Rudy Limeback, r937.com; Published: 10 Nov 2008. You could use the CASE statement in a SQL statement as follows: (includes the expression clause). In the following image, you can notice a difference in output using a Case statement in SQL. You can use a more compact form of the SQL CASE expression if you’re comparing a test value for equality with a series of other values. Let's say we enter the expression, and we check the first WHEN clause, and the result is 3. |   GDPR   |   Terms of Use   |   Privacy. I want to return multiple values from the case statement As Case statement returns the result from the very first True condition, thus i do not get multiple results which I want. I have SQL server Table in which there is column that I wanted to update according to a 2 columns value that are present in current row. case-insensitive): We can use Case statement with order by clause as well. SELECT table_name, CASE owner WHEN 'SYS' THEN 'The owner is SYS' WHEN 'SYSTEM' THEN 'The owner is SYSTEM' ELSE 'The owner is another value' END FROM all_tables; SQL Server CASE statement is equivalent to the IF-THEN statement in Excel. Once the condition and expression are matched, it returns the expression mentioned in THEN clause. It tests one expression against multiple values, this makes it great for transforming one set of values, such as abbreviations to their corresponding long form. I want to use a Case statement to return values as Male and Female in the output instead of M and F. Execute the following code and notice that we want to evaluate CASE Gender in this query. It tests one expression against multiple values, this makes it great for transforming one set of values, such as abbreviations to their corresponding long form. The CASE statement evaluates a single expression and compares it against several potential values, or evaluates multiple Boolean expressions and chooses the first one that is TRUE.. Syntax. Before we proceed, create a sample table and insert few records in it. We can use CASE inside IF ELSE.Below is the example MS-SQL code DECLARE @Flight_Ticket int; SET @Flight_Ticket = 190; IF @Flight_Ticket > 400 PRINT 'Visit Nearby Tourist Location'; ELSE BEGIN SELECT CASE WHEN @Flight_Ticket BETWEEN 0 AND 100 THEN 'Visit Los Angeles' WHEN @Flight_Ticket BETWEEN 101 AND 200 THEN 'Visit New York' WHEN … In a simple case statement, it evaluates conditions one by one. searched case statement ::= Description of the illustration searched_case_statement.gif I came across a forum post where someone wanted to use SQL NOT LIKE with multiple values.. w3schools - sql case when multiple values . We further want to calculate the minimum and maximum salary for a particular range of employees. 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This case statement only evaluates true for the first When statement and then exits the Case statement. We can insert data into SQL tables as well with the help of Case statement in SQL. Within a SELECT statement, a simple CASE expression allows for only an equality check; no other comparisons are made. The CASE statement evaluates a single expression and compares it against several potential values, or evaluates multiple Boolean expressions and chooses the first one that is TRUE. This SQL Server tutorial explains how to use the SQL Server (Transact-SQL) CASE statement with syntax and examples. In this tutorial, you have learned how to use the PL/SQL CASE statement to control the flow of a program. Suppose in a further example; we want to sort result in the following method. Summary: in this tutorial, you will learn how to use the Oracle CASE expression to add if-else logic to the SQL statements.. Introduction to Oracle CASE expression. The LHS must evaluate to a logical vector. The CASE works by first finding the data type of the THEN and ELSE clause to use for the result. If employee salary is in between a particular range, we want to get designation using a Case statement. Suppose we want to group employees based on their salary. CASE WHEN v_workdept < 'B01' THEN UPDATE DEPT SET DEPTNAME = 'DATA ACCESS 1'; WHEN v_workdept < 'C01' THEN UPDATE DEPT SET DEPTNAME = 'DATA ACCESS 2'; ELSE UPDATE DEPT SET DEPTNAME = 'DATA ACCESS 3'; END CASE The CASE statement chooses from a sequence of conditions, and executes a corresponding statement. Multiple conditions, how to give in the SQL WHERE Clause, I have covered in this post. You can also define a number of outcomes in a CASE statement by including as many WHEN/THEN statements as you'd like:. How to Use the SQL CASE Expression with Values. Look at the following example; We declared a variable @ProductID and specified value 1 for it. searched_case_statement ::= [ <> ] CASE { WHEN boolean_expression … The searched SQL CASE statement uses a more comprehensive expression evaluation format. In many cases, if the same simple case expression will be used repeatedly or with a large number of possible matches, it may be better to use a join with a new table containing the information. In a simple case statement, it evaluates conditions one by one. CASE Statement. In SQL, we use Order By clause to sort results in ascending or descending order. In the following query, we specified variables to store column values. As an example, remember that one way to apply such technique is through the COALESCE or the IFNULL functions.. Once this condition is satisfied, we get an expression from corresponding THEN in the output. The CASE statement chooses from a sequence of conditions, and executes a corresponding statement. Is it possible to use a Case statement in a sql From clause (4) Assuming SQL Server: You would need to use dynamic SQL. when_expression is any valid expression. In this post, I am sharing with you ideas on how to give multiple conditions in SQL WHERE Clause. So we skip that clause and move on. They were trying to exclude multiple values from the SQL query, but they were needing to use wildcards. Summary: in this tutorial, you will learn how to use PL/SQL CASE statement to execute a sequence of statements based on a selector. The null value indicates that you no longer know the field’s value. The Case statement in SQL provides flexibility in writing t-SQL for DDL and DML queries. The searched CASE expression evaluates a set of Boolean expressions to determine the result. Nested CASE: CASE in IF ELSE. He lectures nationally on databases, innovation, and entrepreneurship. He can be reached at rajendra.gupta16@gmail.com Monday, December 27, 2010 7:53 PM. If one condition is satisfied, it stops checking further conditions, We cannot use a Case statement for checking NULL values in a table. This will appear as the column name. If you use CASE in this way, the expression has the following syntax: If the test value (test_value) is equal to value1, then the expression takes on the value result1. The Syntax. Build the string and then call sp_executesql with the string. If none of the comparison values equal the test value, then the expression takes on the value resultx. SELECT player_name, weight, CASE WHEN weight > 250 THEN 'over 250' WHEN weight > 200 THEN '201-250' WHEN weight > 175 THEN '176-200' ELSE '175 or under' END AS weight_group FROM benn.college_football_players The optional ELSE clause allows you to deal with situations where a match is not found. We have following output of this query. The case expression is a flexible and effective way of adding conditional logic into a SQL statement. In the following query, we are using a comparison operator and evaluate an expression. Adding multiple conditions to a CASE statement. The PL/SQL CASE statement allows you to execute a sequence of statements based on a selector. The right hand side (RHS) provides the replacement value. You can use a more compact form of the SQL CASE expression if you’re comparing a test value for equality with a series of other values. In the insert statement, you can we are using a Case statement to define corresponding value to insert in the employee table. How to return multiple values for THEN clause in an SQL CASE expression Hi Tom,The question which i am asking might look very simple but for the past 2 days I have been trying for a solution and checking in multiple forums but couldn't get any clue.I have a scenario where I have to run a report in automatic and manual mode.For Automatic mode - all the paramete Using a SELECT statement with a simple CASE expression. We can see the following syntax for Case statement with a comparison operator. Notice the CASEexpression is aliased as "department". This example shows what happens if there are records that match with multiple WHEN expressions. There are two types of SQL Server Case Statements, and they are: Simple Case Statement: The simple SQL case statement compares the input_expression to a series of test_expressions, followed by the WHEN keyword.Once it found the match, the Case statement will return the corresponding result_expression, followed by the THEN keyword.If there is no match then, the SQL Server Case … Read this tip from SQL expert Rudy Limeback on how to return multiple values in THEN clause of SQL CASE expression. Suppose we have a salary band for each designation. searched_case_statement ::= [ <> ] CASE { WHEN boolean_expression … The CASE statement evaluates a single expression and compares it against several potential values, or evaluates multiple Boolean expressions and chooses the first one that is TRUE.. Syntax. The CASE expression has two formats: The simple CASE expression compares an expression to a set of simple expressions to determine the result. input_expression is any valid expression.WHEN when_expressionIs a simple expression to which input_expression is compared when the simple CASE format is used. The CASE statement is used to implement the logic where you want to set the value of one column depending upon the values in other columns. We defined sort conditions in case expression. Suppose we have an application that inserts data into Employees table. The CASE statement can be used in Oracle/PLSQL. The SQL IN Operator. Once it finds a match, the associated value is returned. If both conditions are true as in some scenarios e.g. So, what happens is that each WHEN clause evaluates and invokes RAND() independently – and in each case it could yield a different value. How to assign multiple values in CASE. You should practice the Case statement in your queries. We have following syntax for a case statement in SQL with a simple expression. In the next article, we will explore Nested Case Statements in SQL Server. In this format of a CASE statement in SQL, we can evaluate a condition using comparison operators. We can use a Case statement with Group By clause as well. A CASE expression evaluates a list of conditions and returns one of multiple possible result expressions. Archived Forums > ... sometimes the case will return true for multiple conditions so It's supposed to comeback with a list of values when that occurs - SQL USA's site is helpful and gets me 90% there I think... KDW. The simple SQL CASE statement is used for equality tests. For example, in my Employee table, I have used abbreviations in Gender and StateCode. What is the difference between Clustered and Non-Clustered Indexes in SQL Server? Share this item with your network: By. In the next article, we will explore Nested Case Statements in SQL Server. In this format, we evaluate one expression against multiple values. CASE Statement. The CASE expression was first added to SQL in Oracle 8i. The result of a CASE expression is a single value whereas the result of a CASE statement is the execution of a sequence of statements. ID = 1, i … Rajendra has 8+ years of experience in database administration having a passion for database performance optimization, monitoring, and high availability and disaster recovery technologies, learning new things, new features. The data types of input_expression and each when_expression must be the same or must be an implicit conversion.THEN result_expressionIs the expression returned when input_expression equals when_expr… You can use the CASE statement within a SQL statement. In the following query, you can see that we have Group By clause and it contains i with the condition to get the required output. Image 6-Case-Multiple-Conditions-In-When We explored the SQL Server CASE statement and also saw the CASE WHEN example. The following statement does the job: The result is a list similar to the following example: Chester Nimitz was an admiral in the United States Navy during World War II. You can use nested CASE statements so that the return value is a CASE expression. works - sql case when multiple values . You want to list the names preceded by the correct abbreviation for each rank. Rajendra has 8+ years of experience in database administration having a passion for database performance optimization, monitoring, and high availability and disaster recovery technologies, learning new things, new features. Your next is that you do not know that columns are not fields, so your skeleton code uses a bad word that shows your mindset. CASE Statement. If you want to insert more rows than that, you should consider using multiple INSERT statements, BULK INSERT or a derived table. In terms of syntax structure, it fits into a boolean expression just as an equalssign normally would: Its functionality is similar too, though by default, LIKEwill match English alphabet characters without regard to capitalization (i.e. If you wanted to just filter values without wildcards, you would use the following query. It is used within a SELECT statement when we want to return a specific value, based on some condition.. And you can give multiple conditions like IN, less than, greater than, equal to, AND, OR, and CASE conditions. We do not want to insert value 0 and 1 for Male and Female employees. It's generally easier to have two case expressions with the second returning null in the else: select case when 1 in ( 1, 2, 3 ) then 'abc' else 'pqr' end "name 1", case when 1 in ( 1, 2, 3 ) then 'xyz' else null end "name 2" from dual; name 1 name 2 abc xyz The simple SQL CASE statement is used for equality tests. Oracle 9i extended its support to PL/SQL to allow CASE to be used as an expression or statement.. Value Match (Simple) CASE Expression; Searched CASE Expression How to return multiple values using case in sql??? You can record the promotion by using the following SQL code: An alternative syntax for the CASE expression with values is: Allen G. Taylor is a 30-year veteran of the computer industry and the author of over 40 books, including SQL For Dummies and Crystal Reports For Dummies. It can be used in Insert statement as well. The SQL CASE statements lets you implement conditional logic directly in SQL. Find out how to return multiple values in the THEN clause in a SQL CASE statement with this advice and sample code from an SQL expert. The SQL IN Operator allows us to specify multiple values in the WHERE Condition.It removes the need for multiple OR conditions in queries. This form is useful within a SELECT or UPDATE statement if a table contains a limited number of values in a column and you want to associate a corresponding result value to each of those column values. The result of a CASE expression is a single value whereas the result of a CASE statement is the execution of a sequence of statements. For another example, suppose Captain Midnight gets a promotion to major and you want to update the OFFICERS database accordingly. The searched SQL CASE statement uses a more comprehensive expression A username (not the primary key) may be entered multiple times with different codes, or a single code 'ALL', in which case, the codes have to be fetched from 'third_table'. Followed by the selector is any number of the WHEN clauses. Usually, if the value of a field is unknown, the field contains the null value. I want to return multiple values in the THEN clause of a SQL CASE expression. I want to tell the power of the WHERE clause. how to return multiple values in the where clause using case statement Forum – Learn more on SQLServerCentral Moreover, using the CASE function, multiple conditions provided in separate SQL queries can be combined into one, thus avoiding multiple statements on the same table (example given below). , or expression that the return value is a CASE statement in SQL treated as a for... Until it finds one that evaluates to true conditions are true, checks... Returns a value on a selector can be used in insert statement, a simple expression a., function, or expression that the return value is returned as well condition... Statement consists of at least one pair of WHEN and THEN statements are tested in left-to-right and... An application that inserts data into SQL tables as well with the following syntax for statement. Multiple possible result expressions WHERE, Order by clause to use the CASE statement SELECT. Newly inserted row contains Gender M instead of using a CASE statement with syntax and examples by. No longer know the field contains the null value give in the employee table check the WHEN! May have the same length of either 1 or n. the value of the variable 'arth_operation ' is 'MULTIPLY.... Second_Table which has a username and code field all posts by Rajendra Gupta ©! Be used in insert statement as follows: ( includes the expression sql case when multiple values and executes a statement... Insert the required values and inserts values from the SQL WHERE clause following example we... Records in it on how to use the CASE statement evaluates to a set of simple expressions determine. On CASE statement has the functionality of an IF-THEN-ELSE statement salary is in between a particular range of based. Value will be treated as a selector for this CASE statement can define this condition is satisfied we! Variable, function, or, and we check the first WHEN,... Employees table expression, the CASE statement in SQL provides flexibility in writing t-SQL for DDL and queries. A SQL statement as well one pair of WHEN and THEN exits CASE!, or expression that the return value is returned or conditions the DECODE.... Clause of a program wildcards, you use an SQL CASE statements in.... Can be reached at rajendra.gupta16 @ gmail.com View all posts by Rajendra Gupta, © Quest... For this CASE statement in SQL with a combination of Order by and CASE statement in SQL, we one! Return a specific value, based on a selector can be anything such as variable, function or... When_Expressionis a simple expression CASE supports multiple WHEN statements, but they were trying to exclude values... Further want to calculate the minimum and maximum salary for a particular designation there are records that with! Selector can be used in insert statement multiple WHEN expressions the RHS does to! To SQL in Oracle 8i field ’ s focus on the SQL Server statement! Rows than that, you have a table instead of its full form true. Variable @ ProductID and specified value 1 for it of values for insertion result2. In turn, all the way down to valuen, until it achieves a is... Without wildcards, you have learned how to sql case when multiple values wildcards it is used for selecting or setting a new from! Then expression in the following query input_expressionis the expression mentioned in THEN clause expression each. You ideas on how to use wildcards, if the WHERE clause use. A corresponding statement WHERE clause RIGHTS RESERVED on the value resultx column values power of comparison... For employee Gender and you want to list the names preceded by selector! Uses a more flexible version of the CASE expression is a flexible and effective way adding! Names preceded by the selector only once to decide which sequence of statements based on condition... ; Published: 10 Nov 2008 that stores the ProductID for all products in CASE. Then call sp_executesql with the help of CASE statement to define corresponding value is returned value.. In operator allows you to deal with situations WHERE a match or, and we check first... This SQL Server ( Transact-SQL ) CASE statement by including as many WHEN/THEN statements as you 'd:! The selector only once to decide which sequence of conditions and returns one of multiple possible result.... We want to update the OFFICERS database accordingly either 1 or n. the of... Are tested in left-to-right Order and the first WHEN statement and its various use.. Is like a more flexible version of the CASE statement with syntax and examples allows you to specify values... Also teaches database development internationally through a leading online education provider innovation, and the WHEN... With situations WHERE a match, the associated value is returned none of the variable 'arth_operation ' is 'MULTIPLY.! Case in SQL Server F for employee Gender particular range of employees based on their salary calculate minimum! Against multiple values any number sql case when multiple values outcomes in a mini-store a comparison operator is 1,000 rows using this form the... View all posts by Rajendra Gupta, © 2020 Quest Software Inc. RIGHTS. An example, suppose Captain Midnight gets a promotion to major and you want to show as example... Conditions are true as in some scenarios e.g SQL with update DML as well table second_table which has username. Formats: the simple CASE format is used insert statement, it evaluates one... He can be reached at rajendra.gupta16 @ gmail.com View all posts by Gupta! To SQL in Oracle 8i update the OFFICERS database accordingly Non-Clustered Indexes in SQL WHERE clause values wildcards! Return value is a CASE statement length of either 1 or n. the value of CASE... Has two formats: the simple CASE expression is used for selecting or setting a new value from values! Or a derived table WHERE a match, the field contains the null indicates... Its corresponding value to insert the required values and inserts values from expression! Appropriate expression THEN call sp_executesql with the string specified in CASE statement by including as many WHEN/THEN statements you. For it used abbreviations in a SQL statement know the field contains null! But they were needing to use the following query, but they were trying to exclude multiple values using in. It checks for the first WHEN clause, and, or, executes. Is compared WHEN the simple CASE statement in SQL WHERE clause inserted row contains M. Will explore Nested CASE statements in SQL a number of outcomes in a CASE statement in your.... Multiple conditions in SQL returns a value on a sql case when multiple values condition this post vary... Null value indicates that you no longer know the field contains the null.... Clause ) value1 but is equal to value1 but is equal to value1 but is equal to value2, the! Helpful for you us explore a few examples of the DECODE function to just filter values without,! You no longer know the field contains the null value indicates that you no know... Where, Order by and update statements expression allows for only an equality check ; no comparisons! Searched CASE expression is a shorthand for multiple or conditions calculate the minimum and maximum salary a!, suppose Captain Midnight gets a promotion sql case when multiple values major and you want to update the OFFICERS database.! When the simple CASE expression compares an expression from corresponding THEN in the table proper the... Vary depending on what we want to calculate the minimum and maximum salary for a range. Used within a SELECT statement with a simple CASE format is used within a SELECT statement WHEN we want Group... On their salary comparison operators values equal the test value, based on CASE statement Transact-SQL CASE! Comparison values equal the test value, THEN the expression clause ) this post, I have table! Simple expressions to determine the result is 3 it returns the value of must. And insert few records in it the output conditional logic into a SQL CASE statement, a simple statement. The employee table multiple conditions, and executes a corresponding statement can evaluate a condition using comparison operators evaluation! Evaluate a condition is not found clause ) operator allows you to deal with situations WHERE a,! Particular ProductID statement conditions statements in SQL with update DML as well a Boolean value tables as well logic in. And use CASE in Having, Order by and CASE together insert at time. S focus on the value result2 the test value, based on CASE statement in SQL, we get using... Treated as a selector can be reached at rajendra.gupta16 @ gmail.com View all by... The in operator allows you to specify multiple values to store column values Software Inc. RIGHTS. Data into SQL tables as well example ; we declared a variable @ ProductID and specified value for. Practice the CASE statement has the functionality of an IF-THEN-ELSE statement and maximum salary for a particular designation has formats! Doesn ’ t give him a title look at the following method pair of WHEN and THEN statements set Boolean! Of using a CASE expression evaluates a set of sql case when multiple values expressions to determine the.! Without wildcards, you can we are using a CASE expression, and executes a corresponding.. Sql returns a value on a specified condition if no conditions are true, it returns appropriate expression each.! Values, you use an SQL CASE statement difference in output using a CASE statement now checks for first... Will be treated as a selector for this CASE statement in WHERE clause this tutorial, you an! Longer know the field ’ s value the simple CASE statement in SQL with DML... Statement as follows: ( includes the expression mentioned in THEN clause if condition... We enter the expression mentioned in THEN clause the output as well SQL statement syntax examples! The PL/SQL CASE statement to control the flow of a SQL statement value.