... Perl DBIdatabase limits, PostgreSQL, 543 – 544 columns in a table, 544 database size, 543 field size, 544 row size, 544 rows in a table, 544 table indexes, 544 table size, 544 database managementinternal ... driver, 46 9DBI environment variables, 47 5DBI features, 48 3DBI module, 46 9DBIx modules, 48 4DBIx::Easy, 48 4 48 5DBIx::XML_RDB module, 48 5executing SQL, 47 7 47 8installing DBI, 46 8 47 2and PostgreSQL ... module, 48 5embedded SQL, 42 7 43 1describing error, 42 8error codes, 42 9reporting errors, 42 8 43 0result codes, 42 8trapping errors, 43 1PHP and, 45 8 45 9 with PEAR, 46 1error-handling behaviors, 46 2trigger_error...