MySQL provides several comparison functions that are useful for handling null values and comparing multiple expressions. These functions include COALESCE, GREATEST, LEAST, IS NOT NULL, and IS NULL. Comparison functions in MySQL compare two or more values and return a Boolean value (TRUE or FALSE) or a specific value based on the comparison. These functions […]
MySQL Flow Control Functions are essential tools for managing the flow of execution within SQL queries, allowing for conditional logic and handling NULL values efficiently. Among these functions, the CASE, IF, IFNULL, and NULLIF functions play key roles in controlling the flow of execution based on specific conditions. CASE Function: The CASE function in MySQL […]
MySQL provides a variety of math functions that allow users to perform mathematical operations on numeric data stored in a database. These functions can be useful for performing calculations, aggregations, and transformations on numerical values within SQL queries. Here are some commonly used MySQL math functions: ABS: This function returns the absolute value of a […]
The MySQL MOD function is a mathematical function that returns the remainder of a division operation. It calculates the remainder when one number is divided by another. It is commonly used in various scenarios, including determining if a number is even or odd, calculating day of the week, partitioning datasets, and error handling. Syntax The […]
The TRUNCATE() function in MySQL is used to truncate a number to a specified number of decimal places. This function is similar to the ROUND() function, but it does not perform any rounding. Instead, it simply removes the specified number of digits from the decimal part of the number. Syntax The syntax of the TRUNCATE() […]
The VERSION() function in MySQL is used to retrieve the version number of the MySQL server that you are currently connected to. This function can be useful in various scenarios, such as when you need to check the server version for compatibility or if you simply want to display the MySQL server version in your […]
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