CREATE OR REPLACE FUNCTION SEQ3 (v_bname in VARCHAR2) return NUMBER is pragma autonomous_transaction; v_bcount NUMBER; BEGIN UPDATE SEQ set val=val+1 WHERE name=v_bname; commit: select val into v_bcount from seq WHERE name= v_bname; return v_bcount;
using System; using System.Linq; using System.Threading.Tasks; using System.Linq.Expressions; using System.Collections.Generic; using System.Data.Entity; using System.Data.Entity.Migrations; using FantasyCMS.IDAL; namespace FantasyCMS.DAL { public cl
using System; using System.Data.Linq.Mapping; namespace ConsoleApplication3 { [Table(Name = "test")] public class db_test_info { [Column(IsPrimaryKey = true, IsDbGenerated = true)] public int t_id { get; set; } [Column] public string t_name { ge
现在举例几个"增查改删"的语句 select * from UserInfor --查找所有字段 select username,UserId from UserInfor -- 查找username,UserId两个字段 order by Age desc --降序 order by Age --升序 select * from UserInfor where Age > -- max() min() Avg() ( select Avg(Age) from UserInfor