PostgreSQL 8.0 Documentationpoints. Savepoints allow you to selectively discard parts of the transaction, while committing the rest. After defining a savepoint with SAVEPOINT, you can if needed roll back to the savepoint with ROLLBACK query it. The middle part lists the available data types and functions for use in SQL commands. The rest treats several aspects that are important for tuning a database for optimal performance. The information convenience. If you are eager to fill your tables with data now you can skip ahead to Chapter 6 and read the rest of this chapter later. 5.2. Default Values A column can be assigned a default value. When a new0 码力 | 1422 页 | 9.92 MB | 1 年前3
PostgreSQL 8.0 Documentationsavepoints. Savepoints allow you to selectively discard parts of the transaction, while committing the rest. After defining a savepoint with SAVEPOINT, you can if needed roll back to the savepoint with ROLLBACK query it. The middle part lists the available data types and functions for use in SQL commands. The rest treats several aspects that are important for tuning a database for optimal perfor- mance. The information convenience. If you are eager to fill your tables with data now you can skip ahead to Chapter 6 and read the rest of this chapter later. 5.2. Default Values A column can be assigned a default value. When a new0 码力 | 1332 页 | 9.76 MB | 1 年前3
PostgreSQL 8.1.11 Documentationpoints. Savepoints allow you to selectively discard parts of the transaction, while committing the rest. After defining a savepoint with SAVEPOINT, you can if needed roll back to the savepoint with ROLLBACK query it. The middle part lists the available data types and functions for use in SQL commands. The rest treats several aspects that are important for tuning a database for optimal performance. The information convenience. If you are eager to fill your tables with data now you can skip ahead to Chapter 6 and read the rest of this chapter later. 5.2. Default Values A column can be assigned a default value. When a new0 码力 | 1582 页 | 12.19 MB | 1 年前3
PostgreSQL 8.1 Documentationpoints. Savepoints allow you to selectively discard parts of the transaction, while committing the rest. After defining a savepoint with SAVEPOINT, you can if needed roll back to the savepoint with ROLLBACK query it. The middle part lists the available data types and functions for use in SQL commands. The rest treats several aspects that are important for tuning a database for optimal performance. The information convenience. If you are eager to fill your tables with data now you can skip ahead to Chapter 6 and read the rest of this chapter later. 5.2. Default Values A column can be assigned a default value. When a new0 码力 | 1548 页 | 11.54 MB | 1 年前3
PostgreSQL 8.2 Documentationpoints. Savepoints allow you to selectively discard parts of the transaction, while committing the rest. After defining a savepoint with SAVEPOINT, you can if needed roll back to the savepoint with ROLLBACK query it. The middle part lists the available data types and functions for use in SQL commands. The rest treats several aspects that are important for tuning a database for optimal performance. The information convenience. If you are eager to fill your tables with data now you can skip ahead to Chapter 6 and read the rest of this chapter later. 5.2. Default Values A column can be assigned a default value. When a new0 码力 | 1762 页 | 5.43 MB | 1 年前3
PostgreSQL 8.3 Documentationpoints. Savepoints allow you to selectively discard parts of the transaction, while committing the rest. After defining a savepoint with SAVEPOINT, you can if needed roll back to the savepoint with ROLLBACK query it. The middle part lists the available data types and functions for use in SQL commands. The rest treats several aspects that are important for tuning a database for optimal performance. The information convenience. If you are eager to fill your tables with data now you can skip ahead to Chapter 6 and read the rest of this chapter later. 5.2. Default Values A column can be assigned a default value. When a new0 码力 | 2143 页 | 4.58 MB | 1 年前3
PostgreSQL 8.3 Documentationsavepoints. Savepoints allow you to selectively discard parts of the transaction, while committing the rest. After defining a savepoint with SAVEPOINT, you can if needed roll back to the savepoint with ROLLBACK query it. The middle part lists the available data types and functions for use in SQL commands. The rest treats several aspects that are important for tuning a database for optimal perfor- mance. The information convenience. If you are eager to fill your tables with data now you can skip ahead to Chapter 6 and read the rest of this chapter later. 5.2. Default Values A column can be assigned a default value. When a new0 码力 | 2015 页 | 4.54 MB | 1 年前3
PostgreSQL 8.2 Documentationpoints. Savepoints allow you to selectively discard parts of the transaction, while committing the rest. After defining a savepoint with SAVEPOINT, you can if needed roll back to the savepoint with ROLLBACK query it. The middle part lists the available data types and functions for use in SQL commands. The rest treats several aspects that are important for tuning a database for optimal performance. The information convenience. If you are eager to fill your tables with data now you can skip ahead to Chapter 6 and read the rest of this chapter later. 5.2. Default Values A column can be assigned a default value. When a new0 码力 | 1748 页 | 13.12 MB | 1 年前3
PostgreSQL 8.4 Documentationsavepoints. Savepoints allow you to selectively discard parts of the transaction, while committing the rest. After defining a savepoint with SAVEPOINT, you can if needed roll back to the savepoint with ROLLBACK query it. The middle part lists the available data types and functions for use in SQL commands. The rest treats several aspects that are important for tuning a database for optimal perfor- mance. The information convenience. If you are eager to fill your tables with data now you can skip ahead to Chapter 6 and read the rest of this chapter later. 5.2. Default Values A column can be assigned a default value. When a new0 码力 | 2224 页 | 5.05 MB | 1 年前3
PostgreSQL 8.4 Documentationpoints. Savepoints allow you to selectively discard parts of the transaction, while committing the rest. After defining a savepoint with SAVEPOINT, you can if needed roll back to the savepoint with ROLLBACK query it. The middle part lists the available data types and functions for use in SQL commands. The rest treats several aspects that are important for tuning a database for optimal performance. The information convenience. If you are eager to fill your tables with data now you can skip ahead to Chapter 6 and read the rest of this chapter later. 5.2. Default Values A column can be assigned a default value. When a new0 码力 | 2371 页 | 5.09 MB | 1 年前3
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