select datname, pg_size_pretty (pg_database_size(datname)) AS size from pg_database; 查询表大小 -- 查询单个表大小 select pg_size_pretty(pg_relation_size('mytab')) as size; -- 查询所有表大小 select relname, pg_size_pretty(pg_relation_size(relid)) as size from pg_stat_user_tab...
SELECT pg_size_pretty(pg_database_size('your_database_name')) AS database_size; 请将'your_database_name'替换为你想要查询的数据库名。 查询所有数据库的存储大小: 如果你想要查看所有数据库的大小,可以使用以下查询: sql SELECT pg_database.datname AS database_name, pg_size_pretty(pg_database...
1. 数据库大小(pg_database_size) postgres=# select datname from pg_database; datname --- postgres osdbadb template1 template0 mytestdb01 db03 (6 rows) postgres=# select pg_database_size ('db03'),pg_size_pretty(pg_database_size('db03')); pg_database_size | pg_size_pretty ---...
要查看数据库的大小,可以使用以下查询: SELECT pg_database.datname AS database_name, pg_size_pretty(pg_database_size(pg_database.datname)) AS size FROM pg_database ORDER BY pg_database_size(pg_database.datname) DESC; 复制代码 这个查询将返回所有数据库的名称和大小,按大小降序排列。您可以在...
1 1.在postgresql数据库中默认情况下可通过pg_database_size函数加数据库名称的方式来查看数据库的大小 2 2.在pg_database表中记录着所有数据库的信息，也可以查看这个表的信息来查看所有数据库的大小 3 3.另外通过pg_size_pretty函数可以查看数据库的大小以kb mb gb的方式 4 4.通过pg_relation_size函数可以...
pg_size_pretty(pg_catalog.pg_database_size(d.datname)) ELSE 'No Access' END AS SIZE FROM pg_catalog.pg_database d ORDER BY CASE WHEN pg_catalog.has_database_privilege(d.datname, 'CONNECT') THEN pg_catalog.pg_database_size(d.datname) ELSE NULL END DESC -- nulls first LIMIT 20...
pg_size_pretty ( pg_database_size ( d.datname ) ) AS SIZE FROM pg_database d ORDER BY pg_database_size ( d.datname ) DESC PostgreSQL 查询数据库的大小以及其中各个表的大小: SELECT nspname AS SCHEMA_NAME, relname AS TABLE_NAME, ...
SELECT pg_size_pretty(pg_database_size(datname)) AS size FROM pg_database; 这将返回一个包含每个数据库大小的结果集。 使用pgAdmin工具:pgAdmin是一个流行的PostgreSQL管理工具,可以使用它来获取数据库的大小。打开pgAdmin,连接到PostgreSQL服务器,展开服务器节点,然后展开“Databases”节点。右键单击要获...
In PostgreSQL, built-in functions like pg_database_size(), and pg_relation_size() are used to get the database and table size respectively.
pg_size_pretty---268MB (1row) 3. 查找单个 postgresql 数据库大小 SELECT pg_size_pretty(pg_database_size('db_name')); 4.查找 postgresql 数据库的单个表大小-包括依赖索引: SELECT pg_size_pretty(pg_total_relation_size('Employee_Table')); 5. postgresql 数据库...