Pregunta de entrevista de Vocational Training Council
How do you enhance a SQL query with poor performance?
Respuesta de la entrevista
Anónimo
22 de abr de 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?
Anónimo
Use EXPLAIN to check is there is key used in that query and what key(s) can be use