What is coalesce function?
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HI ALL, CAN ANYONE TELL ME THE DIFFERENCES BETWEEN SQL CLUSTURS,MSQL CLUSTERS,ORACLE CLUSTERS.......THANKS IN ADVANCE
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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
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