What are the sql commands?
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Show how functions and procedures are called in a pl/sql block.
What is auto increment?
What are the types of dbms?
wtite down triggr not any entry on Sunday
What is bulk compiling in pl/sql.?
Why is %isopen always false for an implicit cursor?
Is sqlite thread safe?
what is Hash join?how it is different from inner join?what is the sign used for inner join?(eg: like the (+) sign used for outer join)?
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 the use of double ampersand (&&) in sql queries?
Difference between views and materialized views?
What is bulk collect in pl sql?