How to Get Record Counts for All Tables
The following methods can be used to get the record count for all tables in MySQL.
- Using INFORMATION_SCHEMA.TABLES with SUM function
- Using COUNT(*) to Get Record Count
- Using UNION to Get Record Count
These methods differ in query complexity and execution time. INFORMATION_SCHEMA.TABLES with SUM function might be a complex query but have less execution time, whereas COUNT(*) and UNION are simple queries but need more execution time.
How to Get Record Count for All Tables in MySQL Database
In DBMS, counting records for all tables within a MySQL database is a fundamental requirement. Understanding the size and distribution of data across tables helps optimize database performance and provides insights into data utilization and growth patterns.
Row or record count means how many records are present in the database. Here we will discuss various methods to efficiently retrieve record counts from all tables within a MySQL database.