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Compare and contrast TRUNCATE and DELETE for a table.
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Answer Posted / ark chowdary
DELETE: IT IS A DML COMMAND(DATA MANIPULATION LANGUAGE) .
IT DELETES DATA MEANS (DELETES ALL RECORDS) IN TABLE.
BUT STRUCTURE WILL BE THERE.
AND
DATA DELETES TEMPERORLY.
THEN USE ROLLBACK WE CAN GET THE DATA.
TRUNCATE: IT IS A DDL COMMAND (DATA DEFNITION LANGUAGE).
TRUNCATE ALL RECORDS IN A TABLE.
BUT STRUCTURE WILL BE THERE.
BUT DATA GOES PERMINANTLY.
WE CANT USE ROLLBACK HERE.
IT SHOLUD NOT WORK. WHY BCZ DATA TRUNCATES
PERMENANTLY.
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