3、修改整个schema所有表owner DO $$DECLAREr record; iint; v_schematext[]:='{public}'; v_new_ownervarchar:='yysg';BEGINFORrINSELECT'ALTER TABLE "'||table_schema||'"."'||table_name||'" OWNER TO'||v_new_owner||';'ASaFROM
-- First, let's get the OID of the 'public' namespace that our table lives in - you need -- to run this in the 'blogdb' database, otherwise you'll get the OID of the 'public' -- namespace for the database you're currently connected to. blogdb=# select to_regnamespace('pub...
Postgres instead has a NOT NULL constraint column named attnotnull in pg_attribute, the systems catalog where information about table columns is stored. 11. PackagesPostgres does not have packages, but, using schema architecture, functions, and procedures can be grouped. Use th...
has_table_privilege(user,table,privilege) 用户是否有访问表的权限 SELECT/INSERT/UPDATE/DELETE/RULE/REFERENCES/TRIGGER has_table_privilege(table,privilege) 当前用户是否有访问表的权限 SELECT/INSERT/UPDATE/DELETE/RULE/REFERENCES/TRIGGER has_database_privilege(user,database,privilege) 用户是否有访问数据库...
(user 'user1', password 'zc@123456'); CREATE USER MAPPING postgres=# CREATE FOREIGN TABLE pg_fdw_local (id int4,info text) SERVER pg_fdw_server OPTIONS (schema_name 'public', table_name 'pg_fdw_remote'); CREATE FOREIGN TABLE 3.在本地查询,插入数据 [postgres@zc ~]$ psql -p 5432 ...
publicschema is where all your tables live by default - if you don’t specify any specific schema. So if you create a tableCREATE TABLE things (name text)it just ends up in the public schema, which you’ll see when listing all the tables with\dt(of course provided you haven’t change...
Schema|Name|Type|Owner ---+---+---+--- public|company|table|postgres(1row)postgres=# \d+ company # 查看表的字段的详细信息(相当于 describe company)Table"public.company"Column|Type|Collation|Nullable|Default|Storage|Stats target|Description ---+---+---+---+---+--...
Schema|Name|Type|Owner---+---+---+---public|inno_order|table|repuser(1row)# 下面是参考官方github上面的教程实践的: testdb=#CREATEEXTENSIONmysql_fdw;testdb=#CREATESERVERmysql_server_db10FOREIGNDATAWRAPPERmysql_fdwOPTIONS(host'192.168.2.4',port'3306');testdb=#CREATEUSERMAPPINGFORpostgresSERVERmys...
| pg_foreign_table | \det | 外部表 | # 示例: postgres=# \deu List of user mappings Server | User name ---+--- (0 rows) postgres=# \det List of foreign tables Schema | Table | Server ---+---+--- (0 rows) 1. 2. 3. 4. 5. 6. 7....
"description: "Name of current database"- schemaname:usage: "LABEL"description: "Name of the schema that this table is in"- relname:usage: "LABEL"description: "Name of this table"- seq_scan:usage: "COUNTER"description: "Number of sequential scans initiated on this table"- seq_tup_read:...