使用子查询插入数据

最近更新时间: 2025-02-18 16:02:00

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postgres=# insert into tbase(id,nickname) values(1,(select relname from pg_class limit 1));     
INSERT 0 1
postgres=# select * from tbase;
 id |   nickname   
----+--------------
  1 | pg_statistic
(1 row)