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SQL CASE Expression - W3Schools
https://www.w3schools.com/sql/sql_case.asp
WebThe SQL CASE Expression. The CASE expression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). So, once a condition is true, it will stop reading and return the result. If no conditions are true, it returns the value in the ELSE clause.
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SQL CASE WHEN Explained: 10 Easy Examples for Beginners
https://learnsql.com/blog/case-when-examples/
WebJan 16, 2024 · The CASE WHEN statement lets us make decisions on our data, categorizing and manipulating records based on specified conditions. Find out how to use CASE WHEN in this article. Imagine you're deciding what to wear for the day. You take out your umbrella if it's raining; if not, you leave it at home.
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CASE (Transact-SQL) - SQL Server | Microsoft Learn
https://learn.microsoft.com/en-us/sql/t-sql/language-elements/case-transact-sql?view=sql-server-ver16
WebMay 23, 2023 · Syntax for SQL Server, Azure SQL Database and Azure Synapse Analytics. -- Simple CASE expression: CASE input_expression WHEN when_expression THEN result_expression [ ...n ] [ ELSE else_result_expression ] END -- Searched CASE expression: CASE WHEN Boolean_expression THEN result_expression [ ...n ] [ ELSE …
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SQL Case Expression Syntax? - Stack Overflow
https://stackoverflow.com/questions/4622/sql-case-expression-syntax
WebJun 13, 2021 · Dec 22, 2017 at 1:13. 7 Answers. Sorted by: 82. The complete syntax depends on the database engine you're working with: For SQL Server: CASE case-expression. WHEN when-expression-1 THEN value-1. [ WHEN when-expression-n THEN value-n ... [ ELSE else-value ] END. or: CASE. WHEN boolean-when-expression-1 …
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How to Use CASE in SQL | LearnSQL.com
https://learnsql.com/blog/case-sql/
WebAug 17, 2021 · In SQL, the CASE statement returns results based on the evaluation of certain conditions. It is quite versatile and can be used in different constructs. It's a simple yet powerful way to make your data adapt and respond to various scenarios, making your database queries more dynamic and insightful.
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The Ultimate Guide To SQL CASE Expression - SQL Tutorial
https://www.sqltutorial.org/sql-case/
WebSELECT first_name, last_name, hire_date, CASE (2000 - YEAR (hire_date)) WHEN 1 THEN '1 year' WHEN 3 THEN '3 years' WHEN 5 THEN '5 years' WHEN 10 THEN '10 years' WHEN 15 THEN '15 years' WHEN 20 THEN '20 years' WHEN 25 THEN '25 years' WHEN 30 THEN '30 years' END aniversary FROM employees ORDER BY first_name; Code …
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How to Write a CASE Statement in SQL | LearnSQL.com
https://learnsql.com/cookbook/how-to-write-a-case-statement-in-sql/
WebThe syntax is: CASE. WHEN <condition_1> THEN <value_1> WHEN <condition_2> THEN <value_2> … ELSE <value_n> END AS <column_name> If condition_1 is met, then the retrieved value is value_1. If not, then the database checks for condition_2.
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How to Use the SQL CASE Statement – with Example Challenge
https://www.freecodecamp.org/news/sql-case-statement/
WebNov 4, 2022 · You use the CASE keyword together with the WHEN clause to execute a block of conditional statement code. You use a THEN statement to return the result of the expression. If none of the conditions are met, then you use a final ELSE clause to return a fallback result. The SQL CASE statement has the following syntax:
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CASE – SQL Tutorial
https://www.sqltutorial.net/case.html
WebThe basic syntax of the SQL CASE statement is as follows: CASE. WHEN condition1 THEN result1. WHEN condition2 THEN result2. ... ELSE resultN. END. In this syntax, the CASE statement evaluates each WHEN condition in order, returning the corresponding result when a condition is true.
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Pragmatic Guide to SQL Server CASE Expression
https://www.sqlservertutorial.net/sql-server-basics/sql-server-case/
WebSQL Server CASE expression evaluates a list of conditions and returns one of the multiple specified results. The CASE expression has two formats: simple CASE expression and searched CASE expression. Both of CASE expression formats support an …
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