Remote Query Execution Environment .................................................2405 F.31.6. Cross-Version Compatibility..................................................................2405 F.31.7 satisfy the constraint. If possible, use UNIQUE, EXCLUDE, or FOREIGN KEY constraints to express cross-row and cross-table restrictions. If what you desire is a one-time check against other rows at row insertion systems might not implement schemas at all, or provide namespace support by allowing (possibly limited) cross-database access. If you need to work with those systems, then maximum portability would be achieved

Query Execution Environment ........................................................2551 F.31.6. Cross-Version Compatibility.........................................................................2552 satisfy the constraint. If possible, use UNIQUE, EXCLUDE, or FOREIGN KEY constraints to express cross-row and cross-table restrictions. If what you desire is a one-time check against other rows at row insertion might not implement schemas at all, or provide namespace sup- port by allowing (possibly limited) cross-database access. If you need to work with those systems, then maximum portability would be achieved

might not implement schemas at all, or provide namespace sup- port by allowing (possibly limited) cross-database access. If you need to work with those systems, then maximum portability would be achieved combinations of these. If more than one table reference is listed in the FROM clause, the tables are cross-joined (that is, the Cartesian product of their rows is formed; see below). The result of the FROM other (real or derived) tables according to the rules of the particular join type. Inner, outer, and cross-joins are available. The general syntax of a joined table is T1 join_type T2 [ join_condition ]

systems might not implement schemas at all, or provide namespace support by allowing (possibly limited) cross-database access. If you need to work with those systems, then maximum portability would be achieved combinations of these. If more than one table reference is listed in the FROM clause, the tables are cross-joined (that is, the Cartesian product of their rows is formed; see below). The result of the FROM other (real or derived) tables according to the rules of the particular join type. Inner, outer, and cross-joins are available. The general syntax of a joined table is T1 join_type T2 [ join_condition ]

Query Execution Environment ........................................................2414 F.32.6. Cross-Version Compatibility.........................................................................2414 satisfy the constraint. If possible, use UNIQUE, EXCLUDE, or FOREIGN KEY constraints to express cross-row and cross-table restrictions. If what you desire is a one-time check against other rows at row insertion might not implement schemas at all, or provide namespace sup- port by allowing (possibly limited) cross-database access. If you need to work with those systems, then maximum portability would be achieved

Remote Query Execution Environment .................................................2270 F.32.6. Cross-Version Compatibility..................................................................2271 F.32.7 satisfy the constraint. If possible, use UNIQUE, EXCLUDE, or FOREIGN KEY constraints to express cross-row and cross-table restrictions. If what you desire is a one-time check against other rows at row insertion systems might not implement schemas at all, or provide namespace support by allowing (possibly limited) cross-database access. If you need to work with those systems, then maximum portability would be achieved

satisfy the constraint. If possible, use UNIQUE, EXCLUDE, or FOREIGN KEY constraints to express cross- row and cross-table restrictions. If what you desire is a one-time check against other rows at row insertion might not implement schemas at all, or provide namespace sup- port by allowing (possibly limited) cross-database access. If you need to work with those systems, then maximum portability would be achieved combinations of these. If more than one table reference is listed in the FROM clause, the tables are cross-joined (that is, the Cartesian product of their rows is formed; see below). The result of the FROM

satisfy the constraint. If possible, use UNIQUE, EXCLUDE, or FOREIGN KEY constraints to express cross-row and cross-table restrictions. If what you desire is a one-time check against other rows at row insertion systems might not implement schemas at all, or provide namespace support by allowing (possibly limited) cross-database access. If you need to work with those systems, then maximum portability would be achieved combinations of these. If more than one table reference is listed in the FROM clause, the tables are cross-joined (that is, the Cartesian product of their rows is formed; see below). The result of the FROM

Query Execution Environment ........................................................2649 F.33.6. Cross-Version Compatibility.........................................................................2650 satisfy the constraint. If possible, use UNIQUE, EXCLUDE, or FOREIGN KEY constraints to express cross-row and cross-table restrictions. If what you desire is a one-time check against other rows at row insertion might not implement schemas at all, or provide namespace sup- port by allowing (possibly limited) cross-database access. If you need to work with those systems, then maximum portability would be achieved

Remote Query Execution Environment .................................................2505 F.33.6. Cross-Version Compatibility..................................................................2505 F.33.7 satisfy the constraint. If possible, use UNIQUE, EXCLUDE, or FOREIGN KEY constraints to express cross-row and cross-table restrictions. If what you desire is a one-time check against other rows at row insertion systems might not implement schemas at all, or provide namespace support by allowing (possibly limited) cross-database access. If you need to work with those systems, then maximum portability would be achieved