ÈçºÎ½«SqlServerÊý¾Ý¿âÖеÄÊý¾Ýµ¼Èëµ½ExcelÖУ¿
ÈçºÎ½«SqlServerÊý¾Ý¿âÖеÄÊý¾Ýµ¼Èëµ½ExcelÖУ¿
Ñ¡ÔñÊý¾Ý¿â£¬µã»÷ÓÒ¼ü ÈÎÎñ->µ¼³öÊý¾Ý Ö®ºó°´ÕÕÌáʾµ¼³ö¾Í¿ÉÒÔÁË£¡
±í¶àµÄ»° ÓÃÂ¥Éϵķ½·¨ ±È½Ï·½±ã ¿ÉÒÔ°ÑÊý¾Ý¿âÀïÏàÓ¦µÄ±íµ¼³ö »òÕßÈç¹ûÄãÊDzéѯ³öÀ´µÄ½á¹ûµÄ»°
Äã°ÑÒª¸´ÖƳöÀ´µÄÊý¾ÝÑ¡ÉÏ£¬È»ºóÏÂÒ»²½¾ÍÖ±½Ó¸´ÖƵ½±íÀï ¾Í¿ÉÒÔÁË
Ïà¹ØÎÊ´ð£º
import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class QueryTest&n ......
sql serverÖ±½ÓµÄÎļþ±¸·ÝºÍÓÃsqlserverµÄ±¸·ÝÓÐʲôÇø±ð?
´ó¼Ò˵Ïêϸһµã
²»Ã÷°×~~~
Ö±½Ó±¸·ÝÎļþµÄÓõķÖÀëÊý¾ÝºÍ¸½¼ÓÊý¾Ý¿â
sqlserver±¸·ÝµÄÓõı¸·ÝÊý¾Ý¿âºÍ»¹ÔÊý¾Ý¿â
Ö±½ÓÎļþ±¸·ÝÄãµÃÍ£·þÎñ»òÕßÍÑ ......
PB10¡¢PB11Á¬½ÓSQLServer¹Ø¼ü×Ö: pb10¡¢pb11Á¬½Ósqlserver (תÔØ)
PB10¡¢PB11Á¬½ÓSQLServer (תÔØ)
2007-11-02 22:27
´ÓPB10¿ªÊ¼£¬Ã»ÓÐÁËmssql serverרÓýӿÚÁË£¬ÁíÒ»·½ÃæÊý¾Ý¿â¹ÜÀíϵͳ(DBMS)
»»³ÉÁË ......
´ÓÍøÉϲ鵽µÄ×ÊÁÏ˵£¬ÈκÎÊý¾ÝÀàÐÍÓëNULLÖµ½øÐмÆË㣬½á¹û¶¼½«ÎªNULL.
select null-1
½á¹ûÊÇnull
¿ÉÊÇÏÂÃæÕâ¸ö²éѯΪʲô»á³ö´íÄØ£¿
select isnull(null-1,'test');
¾ÓÈ»±¨´í˵½«varcharתΪintʧ°Ü¡£
Ϊʲô» ......
±êÌâ: Á¬½Óµ½·þÎñÆ÷
------------------------------
ÎÞ·¨Á¬½Óµ½ LIJINING-PC¡£
------------------------------
ÆäËûÐÅÏ¢:
Òѳɹ¦Óë·þÎñÆ÷½¨Á¢Á¬½Ó£¬µ«ÊÇÔڵǼ¹ý³ÌÖз¢Éú´íÎó¡£ (provider: ¹²ÏíÄÚ´æÌṩ³ÌÐò, ......