In MySQL, a table can have only one primary. Let us prove this. -- Please try to execute the below SQL Script where we used the Primary key on more than one column (Id and Email). When you try to ...

I configure my connector to upsert record in a Mysql ... "auto.create": true, "auto.evolve": true } } Connector runs fine and record are inserted in the newly created table. The only problem is that ...

Storing duplicate values in the table ... can create many problem in the application. Developers go with many data insertion practice to avoid duplicate entry which are discussed as below: 1- Remove ...