medium10 pts · first answer countspostgresqlmysqlquery-planning
Reading type=ALL in MySQL EXPLAIN
MySQL EXPLAIN for a slow query shows type: ALL, key: NULL and rows: 48000000 for the orders table. What does it mean?
Discussion 0
Join free to post in the discussion.
Related questions
- Logical vs physical backupDatabase Administrator
- Why a write-ahead log existsDatabase Administrator
- Read-only access for analystsDatabase Administrator
- What pg_hba.conf controlsDatabase Administrator
- View vs materialized viewDatabase Administrator
- Seeing what is running nowDatabase Administrator
- Cancel or terminate a sessionDatabase Administrator
- Why InnoDB over MyISAMDatabase Administrator