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Diffstat (limited to 'doc/src/sgml/perform.sgml')
| -rw-r--r-- | doc/src/sgml/perform.sgml | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/src/sgml/perform.sgml b/doc/src/sgml/perform.sgml index a965c9641b0..53fa8210f83 100644 --- a/doc/src/sgml/perform.sgml +++ b/doc/src/sgml/perform.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/perform.sgml,v 1.53 2005/09/02 03:19:53 tgl Exp $ +$PostgreSQL: pgsql/doc/src/sgml/perform.sgml,v 1.54 2005/11/04 23:14:00 petere Exp $ --> <chapter id="performance-tips"> @@ -826,7 +826,7 @@ SELECT * FROM x, y, a, b, c WHERE something AND somethingelse; Just as with indexes, a foreign key constraint can be checked <quote>in bulk</> more efficiently than row-by-row. So it may be useful to drop foreign key constraints, load data, and re-create - the constraints. Again, there is a tradeoff between data load + the constraints. Again, there is a trade-off between data load speed and loss of error checking while the constraint is missing. </para> </sect2> |