postgresql在工作中
sql语句15个常用的语句:1.select relname,relpages from pg_class order by relpages desc2.selecr pg_database_size('数据库名')3.select pg_size_pretty(pg_total_relation_size('表名‘))4.\d 表名5.create index name on table using index_type(colum)6.rollback,commit7.explain query 8.explain analyz...