Today was no problem, can use all the time, and the speed is very fast, I want to check the table data only 30 w is not enough, but the query it will be very slow, online to find a lot of solution haven't solved, urgent urgent online, etc., using Mysql also appear this problem, so oracel but the problem still appeared a database for me

CodePudding user response:

Should be a block of data on the memory pieces, you can rebuild the table

CodePudding user response:

It requires a combination of the scenario
Such as the system busy? (CPU, I/o, memory)


And low efficiency of SQL the

SQL is blocked and so on