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The MySQL UPPER function is a built-in string function that is used to convert all the characters in a given string to uppercase. This function is particularly useful when you want to standardize the case of characters in a string for comparison or display purposes. Syntax The syntax for the UPPER function is straightforward: UPPER(str) […]
In MySQL, the LENGTH function is used to determine the length of a string. The length is defined as the number of characters in a string, including spaces and special characters. The syntax for the LENGTH function is quite straightforward: Syntax LENGTH(str) Here, str is the string whose length you want to calculate. It can […]
The SUBSTRING function in MySQL is used to extract a substring from a given string. It allows you to specify the starting position (index) and the length of the substring you want to extract. Syntax The basic syntax of the SUBSTRING function is as follows: SUBSTRING(str, start, length) str: This is the input string from […]
The CONCAT function in MySQL is used to concatenate two or more strings into a single string. It allows you to combine the values of multiple columns or literal strings together. It’s a versatile function that can be used for various data manipulation tasks, including: String concatenation: CONCAT effectively combines multiple strings into a single […]
MySQL provides a comprehensive set of built-in functions that allow users to perform various operations on data stored in databases. These functions can be broadly categorized into several groups, including string functions, numeric functions, date and time functions, and aggregate functions. Benefits of Using MySQL Functions Reduced Code Redundancy: Built-in functions eliminate the need to […]
MySQL introduced the JSON data type to provide native support for storing and manipulating JSON (JavaScript Object Notation) data in a relational database. JSON is a lightweight data interchange format commonly used for representing structured data. With the JSON data type in MySQL, you can store, index, and query JSON documents more efficiently. Benefits of […]
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