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

OracleÖУ¬ÓÃÒ»ÌõSqlʵÏÖÈÎÒâµÄÐÐתÁÐÆ´½Ó ¶àÐÐÆ´½Ó

 ±í½á¹¹ºÍÊý¾ÝÈçÏ£¨±íÃûTest£©£º
NO VALUE  NAME
1       a       ²âÊÔ1
1       b       ²âÊÔ2
1       c       ²âÊÔ3
1       d       ²âÊÔ4
2       e       ²âÊÔ5
4       f        ²âÊÔ6
4       g       ²âÊÔ7
SqlÓï¾ä£º
select No,
       ltrim(max(sys_connect_by_path(Value, ';')), ';') as Value,
       ltrim(max(sys_connect_by_path(Name, ';')), ';') as Name
  from (select No,
               Value,
               Name,
               rnFirst,
               lead(rnFirst) over(partition by No order by rnFirst) rnNext
          from (select a.No,
                       a.Value,
                       a.Name,
                       row_number() over(order by a.No, a.Value desc) rnFirst
                  from Test a) tmpTable1) tmpTable2
&n


Ïà¹ØÎĵµ£º

oracle 10g»ù´¡²Ù×÷±í

¡¡¡¡1´´½¨Ð±í
¡¡¡¡1.1´Ó²éѯµ½µÄ±í´´½¨±í
¡¡¡¡create table temp as select stuName,stuNo,stuSex from stuInfo where stuAge>25;
¡¡¡¡1.2´´½¨Ð±í
¡¡¡¡/*ѧÉúÐÅÏ¢±í*/
¡¡¡¡create table stuInfo(
¡¡¡¡stuName varchar2(10) ,
¡¡¡¡stuNo varchar2(10),
¡¡¡¡stuSex varchar2(4),
¡¡¡¡stuAge number(2),
¡¡¡¡st ......

Java µ÷Óà Oracle ´æ´¢¹ý³Ì·µ»Ø½á¹û¼¯

Oracle ´æ´¢¹ý³Ì·µ»Ø½á¹û¼¯Óà ref cursor ʵÏÖ¡£
ÊÔÑé²½ÖèÈçÏ£º
1. ½¨Á¢ ref cursor ÀàÐͺ͹ý³Ì
CREATE OR REPLACE PACKAGE types
AS
    TYPE ref_cursor IS REF CURSOR;
END;
/
CREATE TABLE STOCK_PRICES(
    RIC VARCHAR(6) PRIMARY KEY,
    PRICE NUMBER(7 ......

SQL SERVER ÓëACCESS¡¢EXCELµÄÊý¾Ýת»»

 ÊìϤSQL SERVER 2000µÄÊý¾Ý¿â¹ÜÀíÔ±¶¼ÖªµÀ£¬ÆäDTS¿ÉÒÔ½øÐÐÊý¾ÝµÄµ¼Èëµ¼³ö£¬Æäʵ£¬ÎÒÃÇÒ²¿ÉÒÔʹÓÃTransact-SQLÓï¾ä½øÐе¼Èëµ¼³ö²Ù×÷¡£ÔÚTransact-SQLÓï¾äÖУ¬ÎÒÃÇÖ÷ҪʹÓÃOpenDataSourceº¯Êý¡¢OPENROWSET º¯Êý£¬¹ØÓÚº¯ÊýµÄÏêϸ˵Ã÷£¬Çë²Î¿¼SQLÁª»ú°ïÖú¡£ÀûÓÃÏÂÊö·½·¨£¬¿ÉÒÔÊ®·ÖÈÝÒ×µØÊµÏÖSQL SERVER¡¢ACCESS¡¢EXCELÊý¾ ......

sqlÓï¾ä

 1. ˵Ã÷£º¸´ÖƱí(Ö»¸´Öƽṹ£¬Ô´±íÃû£ºa£¬Ð±íÃû£ºb)
SQL: select * into b from a where 1<>1;
        2. ˵Ã÷£º¿½±´±í(¿½±´Êý¾Ý£¬Ô´±íÃû£ºa£¬Ä¿±ê±íÃû£ºb)
SQL: insert into b(a, b, c) select d, e, f from b;
        3. ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ