What is difference between truncate and delete?
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Hi how Can I Add A Foreign key that references a table that has composit primary key ? example i had costumer table that has C_Id and SSN Both as PK and another table has C_Id that must refernece C_Id in Customers i done the usual way and got oracle error message about uniqeness any ideas plz
Q1:code to connect to sql server(database) through jdbc application. Q2:code to connect to Mysql(database) through jdbc application. Q3:code to connect to oracle(database) through jdbc application.
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