Frequently Asked Questions (FAQ) for PostgreSQL
- Last updated: Wed May 4 21:42:01 EDT 2005
+ Last updated: Mon May 9 13:15:04 EDT 2005
4.18) How do I return multiple rows or columns from a function?
4.19) Why do I get "relation with OID ##### does not exist" errors
when accessing temporary tables in PL/PgSQL functions?
- 4.20) What encryption options are available?
- 4.21) What replication solutions are available?
+ 4.20) What replication solutions are available?
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General Questions
table access in PL/PgSQL. This will cause the query to be reparsed
every time.
- 4.20) What encryption options are available?
-
- * contrib/pgcrypto contains many encryption functions for use in SQL
- queries.
- * To encrypt transmission from the client to the server, the server
- must have the ssl option set to true in postgresql.conf, and an
- applicable host or hostssl record must exist in pg_hba.conf, and
- the client sslmode must not be disable. (Note that it is also
- possible to use a third-party encrypted transport, such as stunnel
- or ssh, rather than PostgreSQL's native SSL connections.)
- * Database user passwords are automatically encrypted when stored in
- the system tables.
- * The server can also run using an encrypted file system.
-
- 4.21) What replication solutions are available?
+ 4.20) What replication solutions are available?
Though "replication" is a single term, there are several technologies
for doing replication, with advantages and disadvantages for each.