What are % type and % rowtype?
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What is a dynamic query?
What are sql*plus environment variables?
Explain two virtual tables available at the time of database trigger execution.
What is mutating table error?
what are the advantages of primary key over unique+notnull
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HOW TO ADD PRIMARY KEY TO TABLE BY PL/SQL PROGRAM
Is stored procedure faster than query?
What are the different types of database management systems?
What are the differences between implicit and explicit cursors?
Explain the difference in execution of triggers and stored procedures?
How to check if a column is nullable before setting to nullable?
What are the disadvantages of not performing database normalization?
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