What is a null value?
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What is the need of a partition key?
How pl/sql source code can be protected?
What is scalar and vector?
Can there be more than one function with a similar name in a pl/sql block?
what are the advantages of using stored procedures? : Sql dba
If we have n no of columns in a table, can we add new column in that table with not null constraint?
What do you understand by pl/sql packages?
what are myisam tables? : Sql dba
what is the difference between mysql_fetch_array and mysql_fetch_object? : Sql dba
What is serial sql?
How do rank () and dense_rank () differ?
what eliminate duplicate without using roenum and not
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