What is difference between nchar and nvarchar?

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What is pl sql block in dbms?

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What are the benefits of using PL/SQL packages?

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How do you modify a column in sql?

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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.

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Can we insert delete data in view?

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When is the update_statistics command used?

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Maximum how many triggers can we use in trigger and How to find out how many records it fetched.

1 Answers   TCS,

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What is the difference between having clause and where clause?

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suppose I have two table one Emp and other is dpt. Emp table has a field ,dept id,name ,sal and dpt table has a field dept id,dept name. Now I want to find out the emplyee list whose sal is between 2000-3000 from dept x.

7 Answers   Geometric Software, IBM,

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Which is better stored procedure or query?

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What is raw datatype in sql?

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