What is the Difference Primary key and Unique Key

0 Answers   HCL,

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What are ACID Properties?

1 Answers   TCS,

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What is database client?

0 Answers  

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Which Statement would you use to remove the EMPLOYEE_Id_PK PRIMARY KEY constraint and all depending constraints from the EMPLOYEE table?

0 Answers   3i Infotech,

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Explain various types of locks in a transaction? Which is better and why?

0 Answers   Agilent,

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List various types of log-based recovery in DBMS.

0 Answers   Verifone,

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What are the differences between Database Trigger and Integrity constraints ?

2 Answers   Synergy,

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What are the validations performed on the source data? If there are junk data available in the source data, how to eliminate it?

0 Answers   BDI Systems, Google,

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what is the difference between tuple calculus and domain calculus ?

2 Answers   Infosys,

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Explain data independence & its types.

0 Answers  

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What are the types of indexes that are present inside a database?

0 Answers   Abacus,

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Which is the best sorting method if i have to sort the students of Harvard University according to their first name?

1 Answers   CybAge,

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