All of the previous answers has covered the public schemas. However, as Postgres supports multiple schemas, you can do query in other schemas too, just put your schema name in place of public. For Example: select*frompg_tableswhereschemaname='your_own_schema_name'; ...
This mostly returns the tables made by the user. Also, you may use: postgres-# \dn information_schema This tells us theOWNERof theSCHEMA. An alternative to the first solution would be to use: postgres-# \dt *.* This will return all the tables as what’s done before. ...
You should be able to just runselect * from information_schema.tablesto get a listing of every table being managed by Postgres for a particular database. You can also add awhere table_schema = 'information_schema'to see just the tables in the information schema. The viewpg_tablesprovides a...
select table_name, pg_size_pretty(pg_total_relation_size(quote_ident(table_name))) from information_schema.tables where table_schema = 'public' order by pg_total_relation_size(quote_ident(table_name)); pg_total_relation_size would include size of indexes as well as tables. If you want ...
postgres=# \df acl*Listof functionsSchema|Name|Resultdata type|Argumentdata types|Type---+---+---+---+---pg_catalog|aclcontains|boolean|aclitem[],aclitem|func pg_catalog|acldefault|aclitem[]|"char",oid|func pg_catalog|aclexplode|SETOFrecord|acl aclitem[],OUTgrantor oid,OUTgrantee oi...
所以对于在表dept中所有和表emp不匹配的记录来说,Postgres [...] Plus Advanced Server都会为任何在选择列表中包 含列emp的表达式返回一个空值。 enterprisedb.com enterprisedb.com The document [...] also contains a select list of relevant resolutions [...] adopted by the General Assembly at its ...
How to List databases and tables in PostgreSQL using psql When it comes to administering Postgres databases, there’s a wide variety of third party tools available such as SQL Workbench/J or pgAdmin III. However, Postgres itself comes bundled with a powerful command line tool calledpsqlwhich is...
31.查询表是否存在 select * from pg_statio_user_tables where relname='你的表名'; 32.为用户复制SCHEMA权限 grant all on SCHEMA 作用域名称 to 用户名称 33.整个数据库导出 pg_dumpall -D -p 端口号 -h 服务器IP -U postgres(用户名) > /home/xiaop/all.bak 34.数据库备份恢复 psql -h ...
psql -At postgres postgres -c "SELECT 'CREATE TABLE userinfo_' || n || ' PARTITION of userinfo FOR VALUES WITH (MODULUS 16, REMAINDER ' || n || ');' FROM generate_series(0,15) as n ;" | psql 1. 2. 本文将分别测试包含 16 分区的分区表和包含 2048 分区的分区表,若创建包含 2048...
Postgres treats the simple case differently. Multiple columns are treated as composite type (table row), which is only decomposed with SELECT * FROM ..., while a single column of scalar type is treated as just that, no added composite type wrapper. So SELECT my_SRF() produces the sam...