what is commit? : Sql dba

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Where not exists in sql?

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How many rows will return from dual table?

4 Answers   Fujitsu,

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Table A Table B 1 1 2 1 3 1. Union & union all --> A Union B , A Union all B 2. Minus , Intersect --> A minus B , B Minus A , A Intersect B 3. Joins A join B , A Left Join B A Right Join B , A full Join B 4. %Type - Uses & Benifit 5. Truncate & Delete 6. Pragma Autonomus Transaction 7. how to Perform DDL from function or procedure 8. Can we have DML inside Function 9. Rank & Dense Rank diffrence 10. Water Mark in Oracle 11. Index , Can we have index in all column of table if no then why ?

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If the application is running very slow? At what points you need to go about the database in order to improve the performance?

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What is pl/sql and what is it used for?

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table name: prod there are three fields in the table that are 1.proddate 2.prodQty 3.model Day wise prodQty is stored in the table prod write a query to display total prodqty in the year 2004 april.

2 Answers   Maruti Suzuki,

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How many sectors are in a partition?

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What is INSTEAD OF trigger ?

13 Answers   Hexaware, TCS,

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How to check if a column is nullable before setting to nullable?

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What is difference between table and view?

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Explain the structure of pl/sql in brief.

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