postgresql 日期函数
select distinct(TO_CHAR(rq, 'YYYY-MM-DD')) from fz_rl order by TO_CHAR(rq, 'YYYY-MM-DD') desc
select distinct(TO_CHAR(rq, 'YYYY-MM-DD')) from fz_rl order by TO_CHAR(rq, 'YYYY-MM-DD') desc
delete from article_author;dbcc checkident('article_author',reseed,0)...
1. 删除 mssql-server 的包sudo apt-get remove mssql-server2. 删除数据库文件sudo rm -rf&...
SELECT datname AS database_name, oid ...
SELECT A.attnum AS "序号",C.relname AS "表名",CAST (ob...
CREATE SEQUENCE stu_id_seq SELECT setval( 'stu_id_seq', &nbs...
DROP TABLE IF EXISTS "public"."zj_gg"; CREATE SEQUENCE...