Conditions in MySQL with Examples - Dot Net Tutorials
In MySQL, a condition or an expression is made up of keywords, identifiers, and constants and it compares given values with the data rows values in a table. If the condition is matched with the data row it’s called a true condition otherwise a false condition. The syntax is given in the below image. Examples to Understand Conditions in MySQL:
IF, IF-THEN, IF-THEN-ELSE and IF-THEN-ELSEIF-ELSE Statement
Aug 21, 2024 · MySQL offers conditional control flow with IF statements, allowing us to execute blocks of SQL code depending on whether a condition is true or false. In this article, We will learn about What is Decision-Making in MySQL with different statements along with examples and …
MySQL IF() Function - W3Schools
The IF() function returns a value if a condition is TRUE, or another value if a condition is FALSE. Syntax
sql - Conditional filter for MySQL query - Stack Overflow
Feb 11, 2010 · join images i on i.image_id = ai.image_id. join image_sizes is on is.image_id = i.image_id. where is.size_name = '96x96'; So there is an N:N relationship between articles and images, and an N:1 relationship between images and …
How do you write a conditional in a MySQL select statement?
Oct 30, 2009 · This is the preferable answer - CASE is ANSI standard, the query would work without alteration on SQL Server, Oracle, MySQL, Postgres... The IF () statement works similarly to the ternary ? : operator. I was trying to conditionally pick column_a or column_b (using one as a fallback if the other was null) and this did it for me. Thank you!
MySQL IF Expression: Usage & Examples - DataCamp
The `IF` expression is primarily used to return different values based on a condition within queries. It is useful for implementing conditional logic directly in SQL, particularly in `SELECT` statements.
MySQL :: MySQL 8.4 Reference Manual :: 15.6.5.2 IF Statement
If a given search_condition evaluates to true, the corresponding THEN or ELSEIF clause statement_list executes. If no search_condition matches, the ELSE clause statement_list executes.
How to Execute an IF…THEN Logic in an SQL SELECT Statement
Mar 26, 2025 · 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. The CASE statement acts as a logical IF-THEN-ELSE conditional statement.
MySQL If statement with multiple conditions - Stack Overflow
Feb 22, 2017 · IF (yourCondition [logical operator(OR, AND) another condition] ) THEN So in a practical example: DECLARE m integer; DECLARE n integer; SET m = 1; SET n = 0; IF ((m>n AND m=1 AND n=0) OR m=n)THEN some code here END IF;
MySQL IF Statement - MySQL Tutorial
This tutorial shows you how to use MySQL IF statement to execute a block of SQL code based on a specified condition.
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