Answer Posted / prativa mishra

begin
execute immediate('alter table table_name add constraint constraint_name primary key(column_name)');
end;

What is structural independence and why is it important?

1015

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When is the update_statistics command used?

1088

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C. Normalize the following data up to the 3rd Normal form. Create the tables and insert the data given. Emp_ID Name Dept_Name Salary Course_Title Date_Completed 100 Adam Marketing 48,000 SPSS 6/19/2008 Surveys 10/7/2008 140 Bob Accounting 52,000 Tax Acc 12/8/2008 110 Cathy IT SQL Server 1/12/2008 C# 4/22/2008 190 Dan Finance 150 Emily Marketing 55,000 SPSS 6/16/2008 42,000 Analysis 8/12/2008 Queries 1. Find all Names who have completed the SPSS Course. 2. Find employee with max salary. 3. Find employee with 2nd max salary. 4. Find all employees in Dept “Marketing”. 5. Find all the employees who have taken more than 2 courses. 6. Find all the employees who have completed the courses before month of September.

2596

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What are the methods of filing?

915

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1022

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950

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What is difference between primary and secondary key?

1007

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Is sql an operating system?

1000

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Can you upgrade sql express to full sql?

1043

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How can you get sql*loader to commit only at the end of the load file? : aql loader

991

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Can pl sql procedure have a return statement?

998

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How to find 3rd highest salary of an employee from the employee table in sql?

1060

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What is the use of function in sql?

1066

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How do I tune a sql query?

957

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What does data normalization mean?

940

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