April 2008
Intermediate to advanced
566 pages
21h 55m
English
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Name
TRUNCATE
Synopsis
TRUNCATE [TABLE] tableUse this statement to delete the contents of a table
rapidly. It’s similar to the DELETE statement
in that it will delete all of the data contained in a given table. The
TRUNCATE statement does its job by dropping the
table and then recreating it without data. As a result, it does not
report the number of rows deleted. Another drawback is that the value
for an AUTO_INCREMENT column will be lost along
with the data. The statement does preserve file partitions and
partition parameters if the table was originally partitioned.
This statement is not transaction-safe. As of version 5.1.16 of
MySQL, DROP privileges are required for this
statement. Previously, DELETE privileges were
required.
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