What are sql objects?
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What is RAC in oracle?
What is a recursive join sql?
What is the difference between left and left outer join?
What is a crud api?
Does truncate release storage space?
What is a primary key? Explain
Why is sql important?
Can a procedure in a package be overloaded?
How many types of sql are there?
What is the difference between UNIQUE CONSTRAINT and PRIMARY KEY? 1. There is no difference. 2. A PRIMARY KEY cannot be declared on multiple columns. 3. A UNIQUE CONSTRAINT cannot be declared on multiple columns. 4. A table can have multiple PRIMARY KEYS but only one UNIQUE CONSTRAINT. 5. A table can have multiple UNIQUE CONSTRAINTs but only one PRIMARY KEY.
What is auto increment?
can i give user defined exception in a package
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