Anupam Kumar

• Jan 7th, 2018

SELECT COUNT(*) FROM table_name;

Bhagya Killi

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• Jun 14th, 2016

Select count(*) from table name

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I need a procedure which takes input of the parent table name and in turn drops the table and its child tables from the DB.

Prabhat Sahu

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• Oct 12th, 2018

Key/SuperKey: It is the column or set of columns that can be use to uniquely identify the records/tuples in a table. There can be possibility of multiple SkeyuperKey in a relation/table. Candidate ...

veerbahadur

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• Dec 24th, 2008

Any attribute that is uniquely identify a row in a table is candidate key for the table. We select one of the candidate key as Primary key. All candidate keys which are not chosen as "primary key" are...

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