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
SELECT A.attnum AS "序号",C.relname AS "表名",CAST (ob...
第一步:第二步创建一个具有密码的sqlite数据库使用sqlitestudio打开的选项...
lower(hex(randomblob(16)))...
1、用 超级用户(postgres)执行:SELECT datname, has_database_pr...
CREATE SEQUENCE "public"."pz_chsi_area_id_seq" START WITH 1...
按 email 去重插入INSERT INTO users (id, name, email) VALUES (1, '...