How long it takes to learn pl sql?
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Name Salary Abc 50000 Abc 50000 xyz 20000 find the max salary using aggregate function?
Is a view faster than a stored procedure?
When are we going to use truncate and delete?
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 trigger in pl sql?
How insert into statements in sql?
What is a transaction?
What is a primary key? Explain
Do you understand the meaning of exception handling?
What are the types of index in sql?
Is not equal in sql?
what is the differnce between procedure and function? in both dml operations can work and in procedure through out parameter you can return value ,then what is the differce?
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