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15 wrz 2008 · How do I perform an IF...THEN in an SQL SELECT statement? For example: SELECT IF(Obsolete = 'N' OR InStock = 'Y' ? 1 : 0) AS Saleable, * FROM Product
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.
12 maj 2024 · In this tutorial, we’ll look at querying rows that contain given words or phrases in SQL. We tested our examples on MS SQL Server 2022, PostgreSQL 14, and MySQL 8 databases . However, most methods we discuss should be available in other versions of these SQL implementations and other SQL dialects.
18 sty 2024 · CONTAINS is a SQL Server function to search for a word or phrase in one or more text columns using precise or fuzzy matching. Specifically, SQL CONTAINS is a predicate to use in the WHERE clause to perform full-text search. The column or columns to search in must be of character-based data types. Also, they must be full-text indexed columns.
30 paź 2023 · It can be combined with other functions to mimic an SQL if statement in select, enabling you to specify various outcomes and choose among them based on a specified condition or index, thus making it possible to render results based on conditional logic directly within a SELECT statement.
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.
26 wrz 2023 · The IF...THEN statement in SQL is often used in conjunction with the CASE expression. The basic syntax goes like this: SELECT . column1, column2, ... CASE WHEN condition1 THEN result1. WHEN condition2 THEN result2. ... ELSE else_result. END AS alias_name. FROM . your_table; column1, column2, etc.:
