What are trace files?
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What is difference between after and before?
Which data type can be used only on OUTPUT parameters of the stored proceduer?
An employee table, with the columns id, name, sal and dob. Query to select emp names of all highest salaries(there are 4-5 people having the same salary which happens to be the highest).
what is the difference between a primary key and a unique key? : Sql server database administration
Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?
What is db stored procedure?
When to use Inner join & when to use subquery?
tell me what is blocking and how would you troubleshoot it? : Sql server database administration
What is clustered primary key?
Explain a differential backup?
Can we add an identity column to decimal datatype?
tell me what are the steps you will take to improve performance of a poor performing query? : Sql server database administration
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