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15 wrz 2008 · If you need to write just one condition, then iif() is sufficient, however if you want to write multiple iif() conditions within one statement then you will have to use `case' statement as demonstrated in above responses. Here is an example for your reference.
2 mar 2017 · If you are checking conditions against multiple variables then you would have to go for multiple IF Statements, Each block of code will be executed independently from other blocks. IF(@Var1 Condition1) BEGIN /*Your Code Goes here*/ END IF(@Var2 Condition1) BEGIN /*Your Code Goes here*/ END IF(@Var3 Condition1) BEGIN /*Your Code Goes here*/ END
28 maj 2024 · We can use either a CASE statement or an IIF() function to implement IF-THEN logic in SQL. In this tutorial, we’ll explore how to implement IF-THEN logic in SQL across various dialects such as SQL Server, MySQL, and PostgreSQL.
30 paź 2023 · We will guide you through five effective methods such as the CASE statement, IIF function, WHERE clause with OR/AND, CHOOSE function, and COALESCE function. These methods are like different paths to reach the same destination - making your SQL queries smart and responsive to conditions.
3 lip 2019 · You need to combine results from 2 separate rows, so you need either JOIN or INTERSECT or something similar: SELECT a.OrderId FROM OrdersTable AS a JOIN OrdersTable AS b ON a.OrderId = b.OrderId WHERE a.Product = 'ProductA' AND b.Product = 'ProductB' ; SELECT OrderId FROM OrdersTable WHERE Product = 'ProductA' INTERSECT SELECT OrderId FROM ...
20 sie 2024 · In this article, we’ll explore how to use the CASE statement with multiple conditions, providing simple examples that should work across most major relational database management systems (RDBMS s).
7 mar 2022 · In some cases, you might want to choose the output value based on column values directly in your SQL statement. In this article, we will explain how to use the CASE expression in SELECT SQL statements. We will also explain how to use an alternative approach with an IF clause for MySQL.
