Thought to use temporary tables, start the data after decryption after joining the temporary table, league table query (such as sum, count) after return to clear data, the question now is a temporary table can only be effective, the current connection temporary table synchronization, if revised the amount of data, how to ensure that the temporary table data is the latest?
Have a great god meet this demand, under direction,
Mybatis springboot + + druid
CodePudding user response:
Since you can use a temporary table data decryption, the outer trim directly on the ground floor select can query the raw data (such as select * from (select * from table_name) t), and even the table to time tCodePudding user response:
The data rarely? Use symmetric encryption line not line,If the SQL can be make people go through, any encryption basic is in vain
CodePudding user response: