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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 ...
31 maj 2023 · Rather slow, but working method to include any of words: SELECT * FROM mytable WHERE column1 LIKE '%word1%' OR column1 LIKE '%word2%' OR column1 LIKE '%word3%'. If you need all words to be present, use this: SELECT * FROM mytable WHERE column1 LIKE '%word1%' AND column1 LIKE '%word2%' AND column1 LIKE '%word3%'.
28 maj 2024 · However, there is no direct way to use IF-THEN logic in SQL because there is no IF keyword in SQL. 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. 2. Using CASE
12 maj 2024 · In MS SQL, we can utilize the CHARINDEX() function to search for a substring’s position: SELECT * FROM Product WHERE CHARINDEX('Milk', description) > 0 OR CHARINDEX('Dark', description) > 0; Like POSITION(), CHARINDEX() returns the 1-based index of the search substring or 0 if it isn’t in the string. 7. Comparison
18 sty 2024 · The CONTAINS SQL Server function should be used in a Transact-SQL SELECT query as below: 1 SELECT * 2 FROM <TableName> 3 WHERE CONTAINS (<ColumnName> | ( <ColumnList> ) | *, '<SearchCondition>') The arguments supported by the function are:
4 sie 2024 · Syntax. Let’s take a look at the CASE statement syntax: SELECT column1, column2, FROM table WHERE CASE WHEN first_condition THEN value1.
30 paź 2023 · Different methods to use SQL IF Statement in SELECT. Create Sample Table for Examples. 1. CASE Statement in SELECT. 2. CHOOSE Function. 3. IIF Function. 4. COALESCE Function. 5. Using WHERE Clause with OR/AND. Frequently Asked Questions (FAQs) Summary. Introduction.
