In the world of relational databases, VARCHAR is one of the most commonly used string data types, primarily used for storing variable-length character data ... SQL Server and PostgreSQL: In SQL Server ...

In relational databases, VARCHAR is one of the most commonly used string data types for storing variable-length character data. For users who are unfamiliar ... and usage details of VARCHAR among ...

SQL is a tool that is widely used in the manipulation of data and featuring in the relational database. They are applied in querying, manipulating as well as reporting data and it is commonly used by ...

SQL window functions provide extremely powerful and useful features that let you work with observations more easily. Different types explained here.

Close relationships between guessing functions and length functions are established. Good length functions lead to good guessing functions. In particular, guessing in the increasing order of ...

A new function was added - OCTET_LENGTH. FunctionRegistry was refactored to keep an alphabetic track of functions. Also, when listing functions (SHOW FUNCTIONS command) the aliases are now part of ...

If utf-8 string is passed to built-in functions such as LIKE, LENGTH etc, and it contains '\0' symbol, then one is assumed to be end-of-string. This approach is considered to be inappropriate.