In MariaDB, the REGEXP operator is used to determine whether or not a string matches a regular expression.
If the string matches the regular expression provided, the result is 1, otherwise it’s 0.
DBMS
Database Management Systems
MariaDB Introduces a JSON_TABLE() Function
The 10.6.0 release of MariaDB has added a JSON_TABLE() function.
The JSON_TABLE() function returns a representation of a JSON document as a relational table with the specified columns. It enables you to map JSON paths into relational columns to be returned in its results set.
How UPDATEXML() Works in MariaDB
In MariaDB, UPDATEXML() is a built-in function that replaces a single portion of a given fragment of XML markup with a new XML fragment, then returns the updated XML.
How WEIGHT_STRING() Works in MariaDB
In MariaDB, WEIGHT_STRING() is a built-in function that returns the weight string for the input string. The return value is a binary string that represents the comparison and sorting value of the string.
How UNCOMPRESSED_LENGTH() Works in MariaDB
In MariaDB, UNCOMPRESSED_LENGTH() is a built-in function that returns the length of a compressed string before it was compressed with the COMPRESS() function.
How COMPRESS() Works in MariaDB
In MariaDB, COMPRESS() is a built-in function that compresses a string and returns the result as a binary string.
The COMPRESS() function requires MariaDB to have been compiled with a compression library such as zlib. If MariaDB hasn’t been compiled with such a compression library, COMPRESS() returns null.
How UNCOMPRESS() Works in MariaDB
In MariaDB, UNCOMPRESS() is a built-in function that uncompresses a string that’s been compressed by the COMPRESS() function.
How STRCMP() Works in MariaDB
In MariaDB, STRCMP() is a built-in string function that compares two strings. It returns 0, -1, or 1, depending on whether the strings are the same or not.
How SPACE() Works in MariaDB
In MariaDB, SPACE() is a built-in string function that returns a given number of space characters.
You provide the number of spaces to return when you call the function.