diff --git a/doc/FAQ b/doc/FAQ index 791cfbd9d3735b0e7ac075322e2fc66c32395632..2c4193a833d53f00823e4312155b78d3c7390760 100644 --- a/doc/FAQ +++ b/doc/FAQ @@ -1,7 +1,7 @@ Frequently Asked Questions (FAQ) for PostgreSQL - Last updated: Thu Apr 18 00:44:51 EDT 2002 + Last updated: Fri Apr 26 23:03:46 EDT 2002 Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) @@ -637,11 +637,14 @@ 4.4) How do you remove a column from a table? We do not support ALTER TABLE DROP COLUMN, but do this: + BEGIN; + LOCK TABLE old_table; SELECT ... -- select all columns but the one you want to remove INTO TABLE new_table FROM old_table; DROP TABLE old_table; ALTER TABLE new_table RENAME TO old_table; + COMMIT; 4.5) What is the maximum size for a row, a table, and a database? diff --git a/doc/src/FAQ/FAQ.html b/doc/src/FAQ/FAQ.html index 8f0dbb11bbc828661f539987ef0b40b7338b0af3..988aa3f968f7ca070b6460cc854636afd8641d5b 100644 --- a/doc/src/FAQ/FAQ.html +++ b/doc/src/FAQ/FAQ.html @@ -14,7 +14,7 @@ alink="#0000ff"> <H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1> - <P>Last updated: Thu Apr 18 00:44:51 EDT 2002</P> + <P>Last updated: Fri Apr 26 23:03:46 EDT 2002</P> <P>Current maintainer: Bruce Momjian (<A href= "mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</A>)<BR> @@ -827,11 +827,14 @@ <P>We do not support <SMALL>ALTER TABLE DROP COLUMN,</SMALL> but do this:</P> <PRE> + BEGIN; + LOCK TABLE old_table; SELECT ... -- select all columns but the one you want to remove INTO TABLE new_table FROM old_table; DROP TABLE old_table; ALTER TABLE new_table RENAME TO old_table; + COMMIT; </PRE> <H4><A name="4.5">4.5</A>) What is the maximum size for a row, a