diff options
Diffstat (limited to 'doc/FAQ')
-rw-r--r-- | doc/FAQ | 5 |
1 files changed, 1 insertions, 4 deletions
@@ -1,7 +1,7 @@ Frequently Asked Questions (FAQ) for PostgreSQL - Last updated: Wed Apr 18 23:05:05 EDT 2007 + Last updated: Fri Apr 20 09:48:11 EDT 2007 Current maintainer: Bruce Momjian ([email protected]) @@ -630,9 +630,6 @@ upper and lowercase characters, it can not have identical values that differ only in case. To force a particular case to be stored in the column, use a CHECK constraint or a trigger. - 4.9) In a query, how do I detect if a field is NULL? How do I - concatenate possible NULLs? How can I sort on whether a field is NULL - or not? 4.9) In a query, how do I detect if a field is NULL? How do I concatenate possible NULLs? How can I sort on whether a field is NULL or not? |