Roles, and who has what role granted, are not per database. It's global thing. So, if you'd, for example, grant rolepg_read_all_datato some user in databaseprod-copy, they will also have the same privileges in databaseprod. So, what do the roles allow one to do? pg_checkpoint...
select relname as TABLE_NAME, reltuples as rowCounts from pg_class where relkind = 'r' and relnamespace = (select oid from pg_namespace where nspname='public') order by rowCounts desc; 方式二: select count(*) from student; 3、常用函数 ●array:将结果转换为数组 SELECT array(SELECT "...
If an estimate is good enough, you could do selectreltuplesfrompg_classwhereoid='test_table'::regclass;
navicat连接postgresql报错现象有小伙伴告诉我安装了新的postgresql使用navicat连接，报错column “datlastsysoid“ does not exist Line1:SELECT DISTINCT datalastsysoid FROM pg_database这主要是pgsql 15版本以后有些系统表的列名改了pg_database表里的这一个列被删除了导致的解决方法1：升级navicat将navicat升级到16...
造成的结果就是,用老版本的客户端pgadmin、navicat等会爆这个错误: ERROR: column "datlastsysoid" does not exist LINE 1: SELECT DISTINCT datlastsysoid FROM pg_database ^ 试了用最新的pgadmin4的8.0版本就没有问题了。 2. pgadmin4配置localhost无法连接(postgres和pgadmin4都是用docker运行) 因为我都使用...
在Navicat Premium中出现"ERROR: column “datlastsysoid” does not exist"错误通常是由于Navicat版本与PostgreSQL版本不兼容导致的。"datlastsysoid"列在较新版本的PostgreSQL中被删除了,但Navicat Premium使用的是较旧的查询语句。 要解决这个问题,你可以尝试以下方法: 更新Navicat Premium版本:前往Navicat官网,下载...