What is the purpose of primary key?
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Is sql scripting language?
Can we write ddl statements in functions?
How to get help at the sql prompt?
Do view contain data?
What is differance unique key and primary key.
What are pl sql data types?
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What are all different types of collation sensitivity?
Is left join inner or outer by default?
Explain the difference between rename and alias?
What are schema-level triggers?
In a Distributed Database System Can we execute two queries simultaneously ? Justify ?