What is a trigger word?
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What are the constraints available in sql?
is it mandatory to select all the column in a view then what columns should be selected
what is the difference between nested subquery and correlated subquery?
Mention what does plvtab enables you to do when you showthe contents of pl/sql tables?
What is sql partition function?
Which command is used to call a stored procedure?
Is there a way to automate sql execution from the command-line, batch job or shell script?
What is a variable in sql?
What is acid property in a database?
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 are string data types? : Sql dba
What is the primary key?
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