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character_expression
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nvarchar »ò ntext
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1.DATEADDº¯Êý
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DATEADD ( datepart , number, date )
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datepart
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Ëõд
Year
yy, yyyy
quarter
qq, q
Month
mm, m
dayofyear
dy, y
Day
dd, d
Week
wk, ww
Hour
hh
minute
mi, n
second
ss, s
millisecond
m ......

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Æô¶¯SQL Server (SQLEXPRESS)·þÎñʱÌáʾ´íÎó£¬Ê¼þ²é¿´Æ÷ÏÔʾÒÔÏÂÐÅÏ¢£¨ID 9003£©£º
´«µÝ¸øÊý¾Ý¿â 'master' ÖеÄÈÕ־ɨÃè²Ù×÷µÄÈÕ־ɨÃèºÅ (276:232:1) ÎÞЧ¡£´Ë´íÎó¿ÉÄÜָʾÊý¾ÝË𻵣¬»òÕßÈÕÖ¾Îļþ(.ldf)ÓëÊý¾ÝÎļþ(.mdf)²»Æ¥Åä¡£Èç¹û´Ë´íÎóÊÇÔÚ¸´ÖÆÆÚ¼ä³öÏֵģ¬ÇëÖØÐ´´½¨·¢²¼¡£·ñÔò£¬Èç¹û¸ÃÎÊÌâµ¼ÖÂÆô¶¯ÆÚ¼ä³ö´í£¬Çë´Ó± ......

SQL ·À×¢Èëʽ¹¥»÷

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public static boolean sql_inj(String str)
{
    String inj_str = "'|and|exec|insert|select|delete|update|
count|*|%|chr|mid|master|truncate|char|declare|;|or|-|+|,";
//ÕâÀïµÄ¶«Î÷»¹¿ÉÒÔ×Ô¼ºÌí¼Ó
String[] inj_stra=inj_str.split("\\|");
    for ......

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Create table #y (txt text)
select name, iid = identity(int,1,1) into #x from SysObjects where xtype = 'TR'
declare @i int, @max int
declare @name varchar(40)
set @i = 1
select @max = max(iid) from #x
while @i <= @max
begin
    select @name = name from #x w ......

sql c#

C-#ÈëÞ­µä(µÚÈý°æ).pdf
using System;
using System.Data;
using System.Data.SqlClient;
namespace My_Student
{
    static class Program
    {
       
        static void Main()
  &n ......
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