select A.region,SUM(B.money) from REGION AS A inner join FARE AS B on A.site = B.site GROUP BY region; create view C AS select A.region,SUM(B.money) from REGION AS A inner join FARE AS B on A.site = B.site GROUP BY region; show tables; select * from C; 1. 2. 3. 4...
您现在已经连接到数据库 "work",用户 "postgres". work=# create table mixue (id int not null primary key,name varchar(15),age int,address varchar(10)); #创建表 CREATE TABLE work=# insert into mixue values (1,'xiaowang',30,'beijing'),(2,'xiaozhao',28,'shanghai'),(3,'xiaoli',25,...
\crosstabview [COLUMNS] execute query and display resultsincrosstab \errverbose show most recent error message at maximum verbosity \g [(OPTIONS)] [FILE] execute query (and send results to file or |pipe); \g with no arguments is equivalent to a semicolon \gdesc describe result of query, ...
CREATE has_tablespace_privilege(tablespace,privilege) 当前用户是否有访问表空间的权限 CREATE注:以上函数均返回boolean类型。要评估一个用户是否在权限上持有赋权选项,给权限键字附加 WITH GRANT OPTION;比如 'UPDATE WITH GRANT OPTION'。 3. 模式可视性查询函数: 那些判断一个对象是否在当前模式搜索路径中可见的函...
尽管PostgreSQL没有提供类似于MySQL的"SHOW CREATE TABLE"命令,但我们可以使用pgAdmin、查询系统表pg_catalog或使用pg_dump命令来获取表的创建语句。选择适合你的方式,并根据你的需求来查看或导出表的结构。这样,你就能够更好地了解和管理你的数据库中的表。©...
create tablespace表空间名称location '文件路径'; 18.显示默认表空间 show default_tablespace; 19.设置默认表空间 set default_tablespace=表空间名称; 20.指定用户登录 psql MTPS -u 21.显示当前系统时间、 now() 22.配置plpgsql语言 CREATE LANGUAGE 'plpgsql' HANDLER plpgsql_call_handler ...
We show how this can be used for testing query performance on a test system, and the impact of double buffering. We also discuss how to flush the OS page cache for a given table to run a benchmark on a query and avoid confusing output. Share this episode: Click here to share this ...
We recently announced the 𝗽𝗿𝗲𝘃𝗶𝗲𝘄 𝗼𝗳 𝗣𝗼𝘀𝘁𝗴𝗿𝗲𝗦𝗤𝗟 𝟭𝟳 on Azure Database for PostgreSQL - 𝗙𝗹𝗲𝘅𝗶𝗯𝗹𝗲 𝗦𝗲𝗿𝘃𝗲𝗿! This release brings...
REFRESH MATERIALIZED VIEW Y N N REINDEX Y N N RELEASE Y N N RESET Y N N REVOKE Y Details DDL REVOKE ROLE Y Y DDL ROLLBACK Y N N ROLLBACK PREPARED Y N N SAVEPOINT Y N N SECURITY LABEL Y Details DDL SELECT INTO Details Y DDL SET Y N N SET CONSTRAINTS Y N N SHOW Y N N ...
ColumnFilter ToolBar Correctly Show I18n string and LanguageAlias for zh_Hans by @armgong in #9580 fix: events by @DarkPhoenix2704 in #9588 feat: Postgres base as schema by @pranavxc in #9591 Nc fix: skip confirmation modal for duplicate view by @rameshmane7218 in #9586 Nc refactor/remo...