Accessing INFORMATION_SCHEMA
Accessing the wealth of information stored in the INFORMATION_SCHEMA tables is as simple as executing SQL queries against them similar to querying any other database tables.
To access the information stored in the INFORMATION_SCHEMA tables we can execute SQL queries against them just like any other database tables.
The syntax for the querying INFORMATION_SCHEMA tables is straightforward:
SELECT column1, column2, …
FROM INFORMATION_SCHEMA.table_name
WHERE condition;
- SELECT: Specifies the columns to the retrieved from the table.
- FROM: Indicates the table from which to retrieve data.
- WHERE: Optionally filters the rows based on the specified conditions.
MySQL INFORMATION_SCHEMA Tables
MySQL provides a powerful set of system tables known as the INFORMATION_SCHEMA tables that contain metadata about the database system, including the databases, tables, columns, indexes, privileges, and more.
These tables are a valuable resource for database administrators and developers to query and analyze information about the MySQL server and its objects.