What is a data definition language?
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What is difference between left and right outer join?
What is a package ? What are the advantages of packages ?
Explain two easy sql optimizations.
What is cte?
how can we repair a mysql table? : Sql dba
How do I restart sql?
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.
Does sql view stored data?
How delete all data from all tables in sql?
define sql insert statement ? : Sql dba
what is the functionality of the function htmlentities? : Sql dba
How do you optimize a query?
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