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Subject: What does "Table rewrite" mean?
Date: Fri, 19 Jan 2018 16:03:40 +0000
Message-ID: <[email protected]> (raw)
The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/9.5/static/sql-altertable.html
Description:
I see references to a "table rewrite" all over the place, but I cannot find
one single definition on what that actually means.
What does a table rewrite do? Does it drop and recreate the table?
Everywhere I look people describe it with fear and trepedation as if it was
some catastrophically dangerous operation to perform. What is it?
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