(1ROW) 由此可见,pg_table_size是pg_relation_size所有返回值的总和。 而pg_total_relation_size是pg_table_size和pg_indexes_size的总和。 如果您想知道表正在使用多少空间,请使用pg_table_size和pg_total_relation_size考虑它们-一个数字是仅表的,一个数字是表+索引的。 检查存储文件的布局,以获取有关fsm,v...
尝试明确地在pg_relation_size调用中添加表所在的模式（例如“public”）。 像这样（未经测试）：select...
pool的缓存管理机制不同，Postgresql采用数据库采用实例buffer和操作系统buffer双缓存(effective_cache_size)...
pg_relation_size(20473,'main') + pg_relation_size(20473,'fsm') + pg_relation_size(20473,'vm') + pg_relation_size(20473,'init') = pg_table_size(20473)? 看答案 pg_relation_size 呼叫calclulate_relation_size. pg_table_size 呼叫calculate_table_size. calculate_table_size 呼叫calclulate...
SELECT schema_name, relname, pg_size_pretty(table_size) AS size, table_size FROM ( SELECT pg_catalog.pg_namespace.nspname AS schema_name, relname, pg_relation_size(pg_catalog.pg_class.oid) AS table_size FROM pg_catalog.pg_class JOIN pg_catalog.pg_namespace ON relnamespace = pg_catal...
A linear Vizing-like relation relating the size and total domination number of a graph (vol 49, pg 285, 2005)maximum degreeordersizetotal dominationThe proof of the main theorem in the paper [1] is incorrect as it is missing an important case. Here we complete the proof by giving the ...
Perianeurysmal edema in giant intracranial aneurysms in relation to aneurysm location, size, and partial thrombosis Dengler J; Maldaner N; Bijlenga P;.Perianeurysmal edema in giant intracranial aneurysms in relation to aneurysm location, size, and partial thrombosis.J ... J Dengler,N Maldaner,P ...
Perianeurysmal edema in giant intracranial aneurysms in relation to aneurysm location, size, and partial thrombosis Dengler J; Maldaner N; Bijlenga P;.Perianeurysmal edema in giant intracranial aneurysms in relation to aneurysm location, size, and partial thrombosis.J ... J Dengler,N Maldaner,P ...