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SQL CASE Expression - W3Schools
The 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.. If there is no ELSE part and no conditions are true, it returns NULL.
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CASE (Transact-SQL) - SQL Server | Microsoft Learn
May 27, 2022 · Return Types. Returns the highest precedence type from the set of types in result_expressions and the optional else_result_expression.For more information, see Data Type Precedence (Transact-SQL).. Return Values. Simple CASE expression: The simple CASE expression operates by comparing the first expression to the expression in each WHEN clause …
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SQL CASE | Intermediate SQL - Mode
The SQL CASE statement. The CASE statement is SQL's way of handling if/then logic. The CASE statement is followed by at least one pair of WHEN and THEN statements—SQL's equivalent of IF/THEN in Excel. Because of this pairing, you might be tempted to call this SQL CASE WHEN, but CASE is the accepted term. Every CASE statement must end with the ...
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The Ultimate Guide To SQL CASE Expression - SQL Tutorial
The SQL CASE expression allows you to evaluate a list of conditions and returns one of the possible results. The CASE expression has two formats: simple CASE and searched CASE. You can use the CASE expression in a clause or statement that allows a valid expression.
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What is Alternative to CASE Statement in SQL Server? - IIF …
Mar 11, 2018 · Question: What is Alternative to CASE Statement in SQL Server? Answer: IIF Function. Honestly, when I write this blog post I feel a bit sad that IIF Function has not received necessary adoption since its release in the year 2012. When I am writing this blog post it is the year 2018 and it has been 6 years since IIF function released and I see ...
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Legacy SQL Functions and Operators | BigQuery | Google Cloud
Apr 11, 2008 · Returns the original string with all characters in lower case. LPAD() Inserts characters to the left of a string. LTRIM() Removes characters from the left side of a string. REPLACE() Replaces all occurrences of a substring. ... Unlike typical SQL-processing systems, BigQuery is designed to handle repeated data. Because of this, BigQuery users ...
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SQL CASE - W3Schools
The CASE command is used is to create different output based on conditions. The following SQL goes through several conditions and returns a value when the specified condition is met: Example
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SQL ignore-case | How to Check the case-sensitivity of SQL …
The SQL case sensitivity can be set for non-keyword objects such as tables and columns by specifying the collation against the database, tables, and column level by mentioning CI or CS in it that stands for case insensitive and case sensitive, respectively. If the collation is set to CI containing the value that is Case insensitive, then there ...
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Can I have a CASE Statement in the WHERE Clause? - Essential SQL
Mar 06, 2022 · To do this with CASE you could write: SELECT FirstName, LastName, PersonType FROM Person.Person WHERE 1 = CASE WHEN PersonType = 'VC' THEN 1 WHEN PersonType = 'IN' THEN 1 ELSE 0 END. The idea here is to test PersonType for either VC or IN. If it matches the corresponding CASE WHEN return a 1. The filter matches and the row is …
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T-SQL CASE Clause: How to specify WHEN NULL - Stack Overflow
I wrote a T-SQL Statement similar like this (the original one looks different but I want to give an easy example here): SELECT first_name + CASE last_name WHEN null THEN 'Max' ELSE 'Peter' END AS Name FROM dbo.person This Statement does not have any syntax errors but the case-clause always chooses the ELSE-part - also if the last_name is null.
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