TRUNCATETABLEsjk66; 还可以在清空数据的同时,重置所关联的序列计数: TRUNCATETABLEtable_nameRESETIDENTITY; 清空多表的数据 在TRUNCATE TABLE后面指定多个表名,即可清空多张表。表名之间使用逗号分隔: TRUNCATETABLEtable_name1,table_name2,… 比如,清空invoice和customer表: TRUNCATETABLEinvoice,customer; 清空被外键...
postgresql 清空数据表 truncate 在mysql 中如果需要清空表,只需要 TRUNCATE table_name; 即可,如果有自增的 id 字段,也会还原回 1, 但是postgresql 与 mysql 稍有不同,postgresql 的自增字段 是通过 序列 sequence来实现的, 所以在清空表的时候,还需要还原序列 TRUNCATE TABLE table_name RESTART IDENTITY;...
但是postgresql 与 mysql 稍有不同,postgresql 的自增字段 是通过 序列 sequence来实现的, 所以在清空表的时候,还需要还原序列 TRUNCATE TABLE table_name RESTART IDENTITY; 1. 参考:https://stackoverflow.com/questions/13989243/sequence-does-not-reset-after-truncating-the-table...
TRUNCATE bigtable, fattable RESTART IDENTITY; 1. 官方文档:https://www.postgresql.org/docs/9.2/static/sql-truncate.html 另一种方式:(因为版本不同,可能命令不同) truncate table table_name; alter sequence seq_name start 1; 1. 2. 参考:https://stackoverflow.com/questions/13989243/sequence-does-n...
TRUNCATE当前不支持外部表。 这表示如果一个指定的表具有任何外部的后代表,这个命令将会失败。 示例 截断表bigtable和fattable: TRUNCATE bigtable, fattable; 做同样的事情,并且还重置任何相关联的序列发生器: TRUNCATE bigtable, fattable RESTART IDENTITY; 截断表othertable,并且级联地截断任何通过外键约束引用other...
TABLE TABLES TABLESAMPLE TABLESPACE TEMP TEMPLATE TEMPORARY TEXT_P THEN TIES TIME TIMESTAMP TO TRAILING TRANSACTION TRANSFORM TREAT TRIGGER TRIM TRUE_P TRUNCATE TRUSTED TYPE_P TYPES_P UNBOUNDED UNCOMMITTED UNENCRYPTED UNION UNIQUE UNKNOWN UNLISTEN UNLOGGED ...
If you don't have a primary key or replica identity on your table, then update and delete commands will fail during the table distribution due to limitations on logical replication.truncate_local_data_after_distributing_tableTruncate all local rows after distributing a table, and prevent constraints...
Setting the replica identity of tables toFULLincreases the volume of WAL written and the amount of data replicated on the wire for the table. bdr.ddl_replication—Automatically replicate DDL across nodes (default ison). This parameter can be set only by bdr_superuser or superuser roles. ...
CREATETABLEbasic (idINTEGERNOTNULLPRIMARYKEY, aTEXT); 创建一个将连接到你之前创建的发布的订阅。 SQL CREATESUBSCRIPTION subCONNECTION'host=<server>.postgres.database.azure.com user=<rep_user> dbname=<dbname> password=<password>'PUBLICATION pub; ...
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