A sequence in Postgres is nothing more than a database object that generates an ordered list of integers. In Postgres, sequences can be created using a “CREATE SEQUENCE” command. However, when a sequence is no longer needed it can be dropped/removed from the database using a “DROP SEQU...
DROP DATABASE [ IF EXISTS ] name [ [ WITH ] ( option [, ...] ) ] 其中选项 可以是: FORCE 参数 IF EXISTS如果该数据库不存在则不要抛出一个错误,而是发出一个提示。 name要移除的数据库的名称。 FORCE尝试终止与目标数据库的所有现有连接。 如果目标数据库中存在准备好的事务、活跃的逻辑复制槽或订...
DROPSEQUENCE 功能描述 从当前数据库里删除序列。 注意事项 只有序列的所有者或者系统管理员才能删除。 语法格式 1DROPSEQUENCE [ IF EXISTS ] {[schema.]sequence_name} [ , ... ] [ CASCADE | RESTRICT 来自:帮助中心 查看更多 → DROP SCHEMA
EDB Postgres Advanced Server allows overloading of procedure names. Therefore the procedure signature given by the input argument data types is required in the EDB Postgres Advanced Server DROP PROCEDURE command for an overloaded procedure. The IF EXISTS, CASCADE, and RESTRICT paramet...
4 5 6 7 do $$declarer record;beginforrin(selecttablenamefrompg_tableswhereschemaname='my-schema-name')loopexecute'drop table if exists'||quote_ident(r.tablename)||'cascade';endloop;end$$; This query works by listing out all the tables in the given schema and then executing adrop table...
语法格式 DROP SEQUENCE [ IF EXISTS ] { [schema.] sequence_name 来自:帮助中心 查看更多 → DROP DATABASE DROP DATABASE 功能描述 删除一个数据库。 注意事项 只有数据库所有者或者被授予了数据库DROP权限的用户有权限执行DROP DATABASE命令,系统管理员默认拥有此权限。 不能对系统默认安装的三个数据...
(SchemaDropperImpl.java:362) at org.hibernate.tool.schema.internal.SchemaDropperImpl.dropConstraintsTablesSequences(SchemaDropperImpl.java:253) at org.hibernate.tool.schema.internal.SchemaDropperImpl.dropFromMetadata(SchemaDropperImpl.java:215) at org.hibernate.tool.schema.internal.SchemaDropperImpl.perform...
DROP [ PUBLIC ] DATABASE LINK [ IF EXISTS ] dblink_name; Parameters dblink_name Name of a connection object. IF EXISTS Reports a notice instead of an error if the specified DATABASE LINK does not exist. PUBLIC Specifies the connection type. If PUBLIC is not specified, the database link ...
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19 19 #include <commands/sequence.h> 20 - #include <access/xact.h> 21 20 22 21 #include "compat.h" 23 22 #include "catalog.h" src/chunk.cCopy file name to clipboardexpand all lines: src/chunk.c +369-1 Load DiffLarge diffs are not rendered by default. src/compat...