diff --git a/doc/FAQ b/doc/FAQ index 791cfbd9d37..2c4193a833d 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 8f0dbb11bbc..988aa3f968f 100644 --- a/doc/src/FAQ/FAQ.html +++ b/doc/src/FAQ/FAQ.html @@ -14,7 +14,7 @@ alink="#0000ff">
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)
@@ -827,11 +827,14 @@
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;