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//test.java
import java.io.BufferedOutputStream;
import java.io.DataOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class test {
 
 public static  void   main (String [] arge){
  try {
   Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
   String url="jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=TableName", user="username",
   password="password";
   Connection conn= DriverManager.getConnection(url,user,password);
   Statement stmt = conn.createStatement();
   ResultSet rs;
   String strSql  = "select name,photo from patient where name='name";
   InputStream   in   =   null;
   FileOutputStream   fileOutStream   =   null;
   rs=stmt.executeQuery(strSql);
   while(rs.next()){
    //Windows ϵͳÏ´洢·¾¶ÓÃ2¸ö·´Ð±¸Ü 
    DataOutputStream sos = new DataOutputStream(new BufferedOutputStream(new FileOutputStream("d:\\"+ rs.getString("name") +".jpg"))); 
    //¶Á³öÁ÷ÓÃgetBinaryStream()·½·¨¡£ 
    in = rs.getBinaryStream("photo");
    //Óûº´æÊý×éÖð½¥Êä³öÁ÷
    int len = 0;
    byte[] b = new byte[1024];
    while ((len = in.read(b)) != -1) {
     sos.write(b,0,len);
    }
    sos.close();
    in.close();
   }
   rs.close();
  &nbs


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public void SqlConnectionOpen()
{
        SqlConnection myConn=new SqlConnection();
        myConn.ConnectionString="server=(local);database=pubs;Trusted_Connection=yes";
        ......

sqlserverÊý¾Ý¿âDateTime¸ñʽ²Ù×÷

Êý¾ÝÀï(sqlserver) µÄ²Ù×÷ £º
eg £º2008-3-31 10:34 --> 2008-3-31
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select substring('2008-3-31 10:34',0,charindex(' ','2008-3-31 10:34'))
¶þ.
Select
CONVERT(varchar, getdate(), 1),--mm/dd/yy
CONVERT(varchar, getdate(), 2),--yy.mm.dd
CONVERT(varchar, getdate() ......

[SQL Server]SQLServer ÅúÁ¿²åÈëÊý¾ÝµÄÁ½ÖÖ·½·¨

ÔÚSQL Server ÖвåÈëÒ»ÌõÊý¾ÝʹÓÃInsertÓï¾ä£¬µ«ÊÇÈç¹ûÏëÒªÅúÁ¿²åÈëÒ»¶ÑÊý¾ÝµÄ»°£¬Ñ­»·Ê¹ÓÃInsert²»½öЧÂʵͣ¬¶øÇһᵼÖÂSQLһϵͳÐÔÄÜÎÊÌâ¡£ÏÂÃæ½éÉÜSQL ServerÖ§³ÖµÄÁ½ÖÖÅúÁ¿Êý¾Ý²åÈë·½·¨£ºBulkºÍ±íÖµ²ÎÊý(Table-Valued Parameters)¡£
   ÔËÐÐÏÂÃæµÄ½Å±¾£¬½¨Á¢²âÊÔÊý¾Ý¿âºÍ±íÖµ²ÎÊý¡£
´úÂëÈçÏÂ:
--Create D ......

SqlServer ʵÏÖÈÕÆÚ²»Í¬¸ñʽµÄת»»£¡£¡

select
convert(char(4),auth,120)+'Äê'+
substring(convert(char(10),auth,120),6,2)+'ÔÂ'+
substring(convert(char(10),auth,120),9,2)+'ÈÕ',
convert(char(4),appr,120)+'Äê'+
substring(convert(char(10),appr,120),6,2)+'ÔÂ'+
substring(convert(char(10),appr,120),9,2)+'ÈÕ'
from a

ÒÔÉÏ´úÂëʵÏֵĹ¦Ä ......

Ëæ»úÑ¡ÔñÐеÄSQLÓï¾ä? ORACLE SQLSERVER ECT.

MySQL:
SELECT column from table
ORDER BY RAND()
LIMIT 1
PostgreSQL:
SELECT column from table
ORDER BY RANDOM()
LIMIT 1
Microsoft SQL Server:
SELECT TOP 1 column from table
ORDER BY NEWID()
IBM DB2
SELECT column, RAND() as IDX
from table
ORDER BY IDX FETCH FIRST 1 ROWS ONLY
Thanks Ti ......
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