GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA public TO myuser; SELECT: 读取数据 INSERT: 插入数据 UPDATE: 更新数据 DELETE: 删除数据 授予对特定模式的访问权限 如果你只想授予 myuser 对特定模式下的表的权限,你可以如下配置: GRANT USAGE ON
GRANT ALL PRIVILEGES ON DATABASE dbname TO dbuser; grant select on all tables in schema public to dbuser;--给用户读取public这个schema下的所有表 GRANT create ON schema schemaname TO dbuser;--给用户授予在schema上的create权限,比如create table、create view等 GRANT USAGE ON schema schemaname TO ...
且很多国产数据库也是基于 PG 的二次开发,很多功能原理相似,学习了解 PG 势在必行,下面我们来使用 yum 安装一个 PostgreSQL 数据库并简单的进行增删改查,方便快捷六步即可完成,特别适合开发测试和运维人员来初步学习和使用。
You are now connected to database"db01"asuser"user01".db01=>create table db01.t(id int);CREATETABLEdb01=>show search_path;search_path---"$user",public(1row)db01=>\d ##此时查看不到 在db01 schema 创建的表。需要设置 search_path Listofrelations Schema|Name|Type|Owner---+---+---...
postgres=# show default_tablespace ; default_tablespace---tbs3 (1row) How to find what tablespace a table/index is in on PostgreSQL? For table: SELECT tablespace FROM pg_tables WHERE tablename ='t1'AND schemaname ='schema1';
https://www.dbrnd.com/2015/10/postgresql-script-to-find-a-missing-indexes-of-the-schema/ 上面给出的语句就是大概率从网上搜到的语句和信息,首选我们先不说它能不能运行,我们先分析一下它大概的率的想法出发点是什么。pg_stat_all_tables表是 pg_stat_user_tables 和 pg_stat_sys_tables 两个表合成...
DB=# SELECT * FROM information_schema.tables WHERE table_name='ff_v3_ff_basic_af'; 查看表结构 DB=# \d tablename DB=# select * from information_schema.columns where table_schema='public' and table_name='XX'; 查看索引 DB=# \di ...
ORDER BY schema_name, table_name; reltuples provides an estimate of the row count for each table in PostgreSQL. Examples and Code Explanation: 1. Using pg_stat_user_tables to Retrieve Exact Row Counts Code: -- Select table names and row counts from pg_stat_user_tables ...
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information_schema.tables tab on tab.table_schema = col.table_schema and tab.table_name = col.table_name and tab.table_type = 'BASE TABLE' where col.table_schema not in ('information_schema', 'pg_catalog') and col.data_type = 'json' order by col.table_schema, col.table_name, col...