In PostgreSQL, built-in functions like pg_database_size(), and pg_relation_size() are used to get the database and table size respectively. The pg_size_pretty() function can be used with the collaboration of the pg_database_size(), pg_relation_size() to present the database/table si...
How to Check Database Size or Table Size in Postgres Using pgAdmin? In Postgres, different built-in functions are used to check the size of database objects, such as thepg_relation_size(),pg_database_size(),pg_size_pretty(), etc. However, pgAdmin helps us get the size of database o...
playboy=>selectpg_database.datname, pg_database_size(pg_database.datname)ASsizefrompg_database;//查看所有数据库的大小 datname|size---+---postgres|3621512playboy|3637896template1|3563524template0|3563524(4rows) playboy=>selectpg_size_pretty(pg_database_size('playboy'));//以KB,MB,GB的方式...
1、查看数据库大小: select pg_database_size('log_analysis'); selectpg_database_size('log_analysis');pg_database_size---23799992(1row) 1. 2. 3. 4. 5. 6. 2、select pg_database.datname, pg_size_pretty (pg_database_size(pg_database.datname)) AS size from pg_database; log_anal...
postgres=# \c flywaytestpsql (15.0 (Ubuntu 15.0-1.pgdg20.04+1), server 15.1 (Debian 15.1-1.pgdg110+1))You are now connected to database "flywaytest" as user "postgres".flywaytest=#请注意，默认psql提示显示当前连接的数据库名称。2、列出所有数据库 \l命令将列出当前服务器中的所有...
pg_database_size(name) bigint 指定名称的数据库使用的磁盘空间 pg_relation_size(oid) bigint 指定OID代表的表或者索引所使用的磁盘空间 pg_relation_size(text) bigint 指定名称的表或者索引使用的磁盘空间。这个名字可以用模式名修饰 pg_total_relation_size(oid) bigint 指定OID代表的表使用的磁盘空间,包括...
float*100AS"% vacuumed",pg_size_pretty(pg_table_size(a.relid))AS"table size",pg_size_pretty(pg_indexes_size(a.relid))AS"indexes size",pg_get_userbyid(c.relowner)ASownerFROMpg_stat_activity pJOINpg_stat_progress_vacuum aONa.pid=p.pidJOINpg_class cONc.oid=a.relidWHEREp.queryLIKE'...
1、获取集群中数据库信息 1.1 集群中的创建的数据库信息 select datname from pg_database where datname not in ('template1','template0','postgres'); 1.2 查看每个数据库的储存大小 select pg_size_pretty(pg_database_size('databases')) as databasesize, 'databases' as databasename databases : 数...
select pg_size_pretty(pg_database_size(db_name)); 4)查看所有数据库的大小 select pg_database.datname, pg_size_pretty (pg_database_size(pg_database.datname)) AS size from pg_database; 5)查看表大小 select pg_size_pretty(pg_relation_size(table_name)) ...
postgres=# create tablespace myspc location '/home/postgres/mytablespace'; CREATE TABLESPACE postgres=# create table test(id int,info text); CREATE TABLE postgres=# insert into test select n,md5(random()::text) from generate_series(1,10) as n; INSERT 0 10 postgres=# select pg_size_prett...