Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

SQL insert Óï¾ä

String query="create table student("+"name String,"+"sex String,"+"unit String,"+"city String,"+"job String,"+"phone String,"+"email String"+")";s.executeUpdate(query);
ͨ¹ýÉÏÁ½ÌõÓï¾ä´´½¨µÄ±í


String r="insert into student values("+"s0,s1,s2,s3,s4,s5,s6"+")";s.executeUpdate(r);
ͨ¹ýÕâÁ½ÌõÓï¾äÌí¼Ó  ÆäÖÐs0~s6ÊÇStringÀàÐÍ ÊÇ×Ô¶¯Éú³ÉµÄ

±¨´íSQLException:[Microsoft][ODBC Microsoft Access Driver] ²ÎÊý²»×㣬ÆÚ´ýÊÇ6.
string -> varchar(100)

´´½¨±íµÄʱºòûÓÐstringÐ͵İɠ ÓÃvarchar

±í ×Ö¶ÎÀàÐÍûÓÐstring ÀàÐÍ£¬Ö»ÓÐ varchar or nvarchar

String r="insert into student values("+"s0"+","+s1+"," + s2..

¿´À´Â¥Ö÷»¹²»»áд³ÌÐò¡£

string

sqlϵͳÖÐ×Ô´øµÄÊý¾ÝÀàÐÍÓ¦¸Ã°Ñstringת»»Îªvarchar(50)»òÕßnvarchar(50)µÈ

String query="create table student("+"name String,"+"sex String,"+"


ºÃÏñ²»ÄÜÓÃStringµÄ°É£¡Â¥Ö÷£¡

ÒýÓÃ
String query="create table student("+"name String,"+"sex String,"+"unit String,"+"city String,"+"job String,"+"phone String,"+"email String"+")";s.executeUpdate(query);
ͨ¹ýÉÏÁ½ÌõÓï¾ä´´½¨µÄ±í

<


Ïà¹ØÎÊ´ð£º

SQLÓï¾äЧÂÊÎÊÌâ - ÆäËûÊý¾Ý¿â¿ª·¢ / ÆäËûÊý¾Ý¿â

´ó¼Ò°ïæ¿´¿´Õâ2¸ösqlÓï¾äÄĸö²éѯµÄËٶȸü¿ìµã¡£Ð»Ð»°ïæ¡£±È½Ï׿±¡£ÔÚ×öÐÔÄܲâÊÔ¡£
select * from
  ±íA LEFT OUTER JOIN ±íB ON (±íA.id || ' ' =±íB.id) ,±íC , ±íD, ±íE
WhereÆäËûÌõ¼þ
select * ......

sqlת»»ÎÊÌ⣬¼±£¡ - ÉçÇøÖ§³Ö / ¡¶³ÌÐòÔ±¡·ÔÓÖ¾

select convert(varchar(50),cast(convert(numeric(18,2),1275674000000/100000000)as real))+'ÒÚ'
select cast(convert(numeric(18,2),1275674000000/100000000)as real)
ΪʲôÉÏÒ»¸öÓÃvarcharת»»ºó¾ÍÖ»±£ÁôÁËÒ ......

sql ½ØÈ¡×Ö·û´®

ÎÒÒªµÃµ½Ò»¸ö×Ö·û´®È磺
sdfk|||sgts
sdfsfd|||rgreg
wrfw|||sefw
¾ÍÊÇÒªµÃµ½|||ºóÃæµÄ×Ö·û´®£¬ÓÐʲôº¯ÊýÂð£¿ÔõôÓÃÄØ£¿Ð»Ð»£¡
SQL code:
select
right(col,len(col)-charindex('|||',col)-2)
f ......

SQLÈçºÎÓÅ»¯ÎÊÌâ - MS-SQL Server / ÒÉÄÑÎÊÌâ

½ñÌì×öÁËÒ»¸ö´æ´¢¹ý³Ì   »·¾³ÊÇSQL2000Êý¾Ý¿â  
´óÖÂÈçÏÂ
½¨Á¢ÁÙʱ±í
¶¨ÒåÔ±¹¤Óαê
        Ñ­»·Ô±¹¤£¨ÊôÓÚ1¸ö¹«Ë¾)  
        ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ