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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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2 Ιουν 2023 · The SQL CASE statements lets you implement conditional logic directly in SQL. Learn all about the SQL CASE statement (plus examples) in this guide.
16 Ιαν 2024 · The CASE WHEN statement in SQL is a pivotal tool. It provides a structured and flexible approach to conditional logic – one that mirrors everyday decision-making. Plus, its intuitive nature makes it an accessible yet powerful feature of SQL.
20 Απρ 2021 · In the T-SQL scripting language, you can use the SQL CASE statement to evaluate a condition and return one or more result expressions. This SQL Tutorial will teach you when and how you can use CASE in T-SQL statements.
The SQL CASE statement is used to check conditions and perform tasks on each row while selecting data. In this tutorial, you will learn about the SQL CASE statement with the help of examples.
28 Ιουν 2023 · The two main variants of SQL case statements are the simple case and the searched case. Let’s explore each of these in more detail. Simple Case Statements. A simple case statement evaluates a single expression against multiple conditions and returns a matching value. Here’s the general syntax for a simple case statement: CASE expression.
3 Σεπ 2024 · CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as <select_list>, IN, WHERE, ORDER BY, and HAVING. Transact-SQL syntax conventions. Syntax for SQL Server, Azure SQL Database and Azure Synapse Analytics. syntaxsql. Copy
