Compatibility
- The CREATE TABLE conforms to SQL92 Intermediate
+ The CREATE TABLE command conforms to SQL92
and to a subset of SQL99, with exceptions listed below and in the
descriptions above.
PostgreSQL does not have modules, and
requires each session to issue its own CREATE TEMPORARY
TABLE command for each temporary table to be used.
+ The notion of GLOBAL temporary tables found in SQL92
+ is not in
PostgreSQL at all.
- The optional ON COMMIT clause for temporary tables
+ The ON COMMIT clause for temporary tables
also resembles SQL92, but has some differences.
If the ON COMMIT> clause is omitted, SQL92 specifies that the
default behavior is ON COMMIT DELETE ROWS>. However, the