CodePudding user response:

Pray god help ah, this problem bothering me for several days

CodePudding user response:

No bosses give a younger brother? Grateful to the

CodePudding user response:

Wrote it violates the only constraint condition
Guide you in a bit of data in violation of the primary key
May be the only a little in violation of the index

CodePudding user response:

Target data in the table,
If it is completely covered import, can the target table first delete
If want to increment, increase the parameter ignore=y, see results after the import is complete