What is group function in sql?
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Explain raise_application_error.
What is type and rowtype in pl sql?
using cursors salesman get bonus as 10% of their salary , managers get 20% , analalist get 30%. generae a report showing the employee name, salary , bonus.
Does inner join return duplicate rows?
what are the types of subquery? : Sql dba
Is sql similar to python?
What are %type and %rowtype for?
Does normalization improve performance?
What are tables in sql?
Where the Pre_defined_exceptions are stored ?
What is integrity constraints?
Explain architecture of sql server notification services?