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15 wrz 2008 · From this link, we can understand IF THEN ELSE in T-SQL: IF EXISTS(SELECT * FROM Northwind.dbo.Customers WHERE CustomerId = 'ALFKI') PRINT 'Need to update Customer Record ALFKI' ELSE PRINT 'Need to add Customer Record ALFKI' IF EXISTS(SELECT * FROM Northwind.dbo.Customers WHERE CustomerId = 'LARSE') PRINT 'Need to update Customer Record LARSE ...
11 paź 2010 · Any easier way to write this if statement? if (value==1 || value==2) For example... in SQL you can say where value in (1,2) instead of where value=1 or value=2. I'm looking for something that would work with any basic type... string, int, etc.
28 maj 2024 · In this article, we explored different options for executing IF-THEN logic in a SQL SELECT statement. These options include using CASE , IIF() , and CHOOSE() . Furthermore, if we want a query that’s used in almost every dialect, we must choose the CASE statement.
7 mar 2022 · 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. Prerequisites. For the sake of simplicity, we will use a sample table called users with the following columns:
The IF...ELSE statement is a control-flow statement that allows you to execute or skip a statement block based on a specified condition. The IF statement. The following illustrates the syntax of the IF statement: IF boolean_expression . BEGIN . { statement_block } END Code language: SQL (Structured Query Language) (sql)
3 wrz 2024 · The following example uses IF...ELSE to determine which of two responses to show the user, based on the weight of an item in the DimProduct table.
30 paź 2023 · The SQL IF statement in SELECT queries is utilized to introduce conditional logic, allowing for more dynamic and flexible data retrieval. Essentially, it lets you specify conditions to dictate which data should be fetched or how it should be displayed.
