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Diffstat (limited to 'doc/FAQ')
| -rw-r--r-- | doc/FAQ | 12 |
1 files changed, 7 insertions, 5 deletions
@@ -1,7 +1,7 @@ Frequently Asked Questions (FAQ) for PostgreSQL - Last updated: Wed Apr 17 22:48:04 EDT 2002 + Last updated: Thu Apr 18 00:44:51 EDT 2002 Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) @@ -63,8 +63,8 @@ 4.5) What is the maximum size for a row, a table, and a database? 4.6) How much database disk space is required to store data from a typical text file? - 4.7) How do I find out what tables or indexes are defined in the - database? + 4.7) How do I find out what tables, indexes, databases, and users are + defined? 4.8) My queries are slow or don't make use of the indexes. Why? 4.9) How do I see how the query optimizer is evaluating my query? 4.10) What is an R-tree index? @@ -697,10 +697,12 @@ Indexes do not require as much overhead, but do contain the data that is being indexed, so they can be large also. - 4.7) How do I find out what tables or indexes are defined in the database? + 4.7) How do I find out what tables, indexes, databases, and users are + defined? psql has a variety of backslash commands to show such information. Use - \? to see them. + \? to see them. There are also system tables beginning with pg_ that + describe these too. Also, psql -l will list all databases. Also try the file pgsql/src/tutorial/syscat.source. It illustrates many of the SELECTs needed to get information from the database system |