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The MySQL LEAST function is part of comparison functions and is used to find the smallest or minimum value among a list of expressions. It is particularly useful when you have multiple values and you want to retrieve the smallest one. The LEAST function takes two or more arguments, and it returns the smallest value […]
The MySQL GREATEST function is used to retrieve the highest value from a list of expressions. It takes multiple arguments and returns the maximum value among them. It plays a crucial role in data analysis and manipulation, enabling you to identify the highest numerical value within a collection of data points. Whether you’re dealing with […]
The MySQL COALESCE function is a useful comparison function for handling NULL values in queries. It allows you to replace NULL values with a specified alternative value. The primary purpose of COALESCE is to return the first non-NULL expression among its arguments. Syntax Here’s the syntax for the COALESCE function: COALESCE(expr1, expr2, …) expr1, expr2, […]
The NULLIF function in MySQL is used to compare two expressions. It returns NULL if the two expressions are equal; otherwise, it returns the first expression. The primary use case for NULLIF is to handle cases where you want to avoid division by zero or to handle situations where you want to treat specific values […]
The IFNULL function in MySQL is used to handle NULL values in a query by replacing them with a specified alternative value. This function is particularly useful when you want to display a default value or perform some other action if a column contains NULL. Syntax The basic syntax of the IFNULL function is as […]
The MySQL IF function is a control flow function that allows you to perform conditional logic within a query. It is commonly used in SELECT statements to return different values based on a specified condition. Syntax The syntax for the MySQL IF function is as follows: IF(condition, value_if_true, value_if_false) condition: The expression that evaluates to […]
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