Domanda di colloquio di Vocational Training Council
How do you enhance a SQL query with poor performance?
Risposta di colloquio
Anonimo
22 apr 2021
Use EXPLAIN to check is there is key used in that query and what key(s) can be use
How do you enhance a SQL query with poor performance?
Anonimo
Use EXPLAIN to check is there is key used in that query and what key(s) can be use