What are sql indexes?


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More SQL PLSQL Interview Questions

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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We have a CURSOR then we need BULK COLLECT?

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What is sql constant?

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Explain character-manipulation functions?

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What is rownum?

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What is the importance of sqlcode and sqlerrm?

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How does index help in query performance?

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how to enter binary numbers in sql statements? : Sql dba

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What are the different sql languages?

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What does trigger mean in psychology?

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how does a local variable is defined using t-sql? : Transact sql

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What is exception? What are the types of exceptions?

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