What is query optimization in sql?

0 Answers  

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What are all ddl commands?

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What do you mean by field in sql?

0 Answers  

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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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Source is Sales Table: Sno Prod Sales Sales_Amount 1 A 10 2000 2 A 20 1000 3 C 10 3000 4 D 30 4000 5 A 20 1000 Target : Sales_Count T_Sales_Amt Sales_Count(A) T_Sales_Amt(A) 90 11000 50 4000 In single query, pls tell me.

5 Answers   CGI,

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How do I remove all records from a table?

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What is interval partition?

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How can you tell the difference between an index and a view?

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Whate is use of MOD function in pl/sql.

3 Answers   Oracle,

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What is auto increment feature in sql?

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Enlist the characteristics of pl/sql?

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What is the difference between DELETE, TRUNCATE, and DROP?

3 Answers  

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