How to prevent to insert duplicate value in sqlite database (if duplicate then overwrite)

Question

I had created two table in my database, In both table I am inserting value at the same time, now what I want to do is that, I want to insert record in second table, but the

Answer 1

Check with the primary key of which you want assign then while inserting check with on duplicate key.. if you want you update the row

on duplicate key update

As mentioned i am writing the code on duplicate key

INSERT OR REPLACE INTO TABLE_CATEGER(value1,value2,value3)