drop table if exists postgres
To empty a table of rows without destroying the table, use DELETE or TRUNCATE. DROP TABLE always removes any indexes, rules, triggers, and constraints that exist for the target table. However, to drop a table that is referenced by a view or a foreign-key ,DROP TABLE always removes any indexes, rules, triggers, and constraints ... IF EXISTS. Do not throw an error if the table does not exist. A notice is issued in ...
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 drop table if exists postgres 相關參考資料
Documentation: 11: DROP TABLE - PostgreSQL
Only the table owner, the schema owner, and superuser can drop a table. ... IF EXISTS. Do not throw an error if the table does not exist. A notice is issued in this ... https://www.postgresql.org Documentation: 8.2: DROP TABLE - PostgreSQL
To empty a table of rows without destroying the table, use DELETE or TRUNCATE. DROP TABLE always removes any indexes, rules, triggers, and constraints that exist for the target table. However, to drop... https://www.postgresql.org Documentation: 9.0: DROP TABLE - PostgreSQL
DROP TABLE always removes any indexes, rules, triggers, and constraints ... IF EXISTS. Do not throw an error if the table does not exist. A notice is issued in ... https://www.postgresql.org Documentation: 9.1: DROP TABLE - PostgreSQL
DROP TABLE always removes any indexes, rules, triggers, and constraints ... IF EXISTS. Do not throw an error if the table does not exist. A notice is issued in ... https://www.postgresql.org Documentation: 9.3: DROP TABLE - PostgreSQL
Only the table owner, the schema owner, and superuser can drop a table. ... IF EXISTS. Do not throw an error if the table does not exist. A notice is issued in this ... https://www.postgresql.org Documentation: 9.4: DROP TABLE - PostgreSQL
DROP TABLE always removes any indexes, rules, triggers, and constraints ... IF EXISTS. Do not throw an error if the table does not exist. A notice is issued in ... https://www.postgresql.org Documentation: 9.6: DROP TABLE - PostgreSQL
DROP TABLE removes tables from the database. Only the table owner, ... Do not throw an error if the table does not exist. A notice is issued in ... https://www.postgresql.org DROP IF EXISTS VS DROP? - Stack Overflow
https://stackoverflow.com DROP TABLE - PostgreSQL 正體中文使用手冊
DROP TABLE 會移除目標資料表所關連的任何索引、規則、觸發器和限制條件。 ... 此命令符合SQL 標準，除了標準只允許每個指令移除一個資料表，及IF EXISTS ... https://docs.postgresql.tw PostgreSQL DROP TABLE - PostgreSQL Tutorial
If you remove a non-existent table, PostgreSQL issues an error. To avoid this situation, you can use the IF EXISTS parameter followed by the DROP TABLE ... http://www.postgresqltutorial. |