Oracle»òsql2005·ÖÒ³
/// <summary>
/// ·µ»Ø·ÖÒ³SQLÓï¾ä
/// </summary>
/// <param name="selectSql">²éѯSQLÓï¾ä</param>
/// <param name="PageIndex">µ±Ç°Ò³Âë</param>
/// <param name="PageSize">Ò»Ò³¶àÉÙÌõ¼Ç¼</param>
/// <returns></returns>
public static string getPageSplitSQL(string selectSql, int PageIndex, int PageSize)
{
string StartSelectSql = @" select * from (select aa.*, rownum r from (";
int CurrentReadRows = PageIndex * PageSize;
int startRow = (CurrentReadRows - PageSize) < 0 ? 0 : (CurrentReadRows - PageSize);
int endRow = CurrentReadRows == 0 ? PageSize : CurrentReadRows;
string EndSelectSql = string.Format(") aa where rownum <= {1}) bb where r >{0} ", startRow, endRow);
return StartSelectSql + selectSql + EndSelectSql;
}
Ïà¹ØÎĵµ£º
Ò»¡¢ÏµÍ³µÄĬÈÏÓû§
Java´úÂë
sys;//ϵͳ¹ÜÀíÔ±£¬ÓµÓÐ×î¸ßȨÏÞ
system;//±¾µØ¹ÜÀíÔ±£¬´Î¸ßȨÏÞ
scott;//ÆÕͨÓû§£¬ÃÜÂëĬÈÏΪtiger,ĬÈÏδ½âËø
¶þ¡¢µÇ½
Java´úÂë
sqlplus conn / as sysdba;//µÇ½sysÕÊ»§ ......
FORALLÓï¾äµÄÒ»¸ö¹Ø¼üÐԸĽø£¬Ëü¿É´ó´ó¼ò»¯´úÂ룬²¢ÇÒ¶ÔÓÚÄÇЩҪÔÚPL/SQL³ÌÐòÖиüкܶàÐÐÊý¾ÝµÄ³ÌÐòÀ´Ëµ£¬Ëü¿ÉÏÔÖøÌá¸ßÆäÐÔÄÜ¡£
1:
ÓÃFORALLÀ´ÔöÇ¿DMLµÄ´¦ÀíÄÜÁ¦
OracleΪOracle8iÖеÄPL/SQLÒýÈëÁËÁ½¸öеÄÊý¾Ý²Ù×ÝÓïÑÔ£¨DML£©Óï¾ä£ºBULK COLLECTºÍFORALL¡£ÕâÁ½¸öÓï¾äÔÚPL/SQLÄÚ²¿½øÐÐÒ»ÖÖÊý×é´¦Àí
£»BULK COLLE ......
RMAN> startup nomount;
RMAN> sql 'alter session set nls_date_format=''yyyy-mm-dd hh24:mi:ss''";
--ÒòΪrmanĬÈÏÒÔ»·¾³±äÁ¿À´¶Áȡʱ¼ä¸ñʽ£¬ÓësqlplusµÄ¹Ì¶¨¸ñʽ²»Í¬£¬ËùÒÔ£¬´Ë´¦ÒªÉ趨ʱ¼ä¸ñʽ±äÁ¿¡£
RMAN> restore controlfile from autobackup until time '2009-03-10 18:15:00';
×¢Ò⣬ÈÔÈ»ÐèÒªÊʵ±µ ......
1)½¨Á¢²Ù×÷ϵͳĿ¼e:\test£¬×¼±¸Êý¾ÝÎļþdept.txt²¢ÖÃÓÚe:\testÖ®ÏÂ
"10","ACCOUNTING","NEW
YORK"
"20","RESEARCH","DALLAS"
"30","SALES","CHICAGO"
"40","OPERATIONS","BOSTON"
2)´´ ......
HWMÊÇoracleÖÐblockÓÐûÓÐʹÓõķֽçÏߣ¬Ëü»áËæ×ÅÊý¾ÝµÄinsert¶øÉÏÉý£¬µ«Ëü²¢²»»áËæÊý¾ÝµÄdelete¶øÏ½µ£¬Òò´ËÈ«±íɨÃèµÄʱ¼ä²¢²»ÒòÊý¾ÝµÄdelete¶ø¼õÉÙ£¬Ïà·´¿ÉÄÜÓÉÓÚ¿éÇå³ý·´¶øÈ«±íɨÃèʱ¼äÔö¼Ó£¬¿ÉÒÔÓÃÏÂÃæ·½·¨µÄÈÎÒ»Ò»ÖÖÀ´½µµÍHWM£º
µÚÒ»ÖÖ£ºshrink
ÊÊÓÃÓÚ10gÒÔºóµÄ°æ±¾£¬Ç°ÌáÊÇÕâ¸ö±í£¬Ë÷Òý£¬ÎﻯÊÓͼ»òÎﻯÊÓͼlogËùÔ ......