What is Difference Between Unique and Primary Key Constraints?

0 Answers   Wipro,

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What are the most important ddl statements in sql?

0 Answers  

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What is data definition language?

0 Answers  

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i have doubt that any one tell ref cursor comes in sql pl/sql? pls clarify?

4 Answers   Tech Mahindra,

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Mention what does plv msg allows you to do?

0 Answers  

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Is subquery faster than join?

0 Answers  

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I have one table,in that table (1)i have java1.1 version books are 2 and java1.5 version books are 4. (2).Net2.0 books are 3, .Net3.5 books are 2 (3)ABC1.6 books are 4, ABC2.0 books are 3. Now i want output is like Book Count Java 6 .Net 5 ABC 7 For this i need sql query, please help me if anyone how to get this result. Thanks, Seenu

4 Answers   Adea,

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Explain locks? : Transact sql

0 Answers  

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write the Sql query for creating database backup?

7 Answers   TCS,

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What is Primary Key?

4 Answers   Ramco,

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What is numeric function sql?

0 Answers  

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Suppose a student column has two columns, name and marks. How to get name and marks of the top three students.

0 Answers  

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