oracleÅúÁ¿(batch)²Ù×÷µÄʹÓÃ
/**
* ¸üмǼ£¬Ô×Ó²Ù×÷£¬²»»ácommit
* @param sql_id
* @param condition
* @return
* @throws SQLException
*/
public boolean updateBatchSql(String sql, List<List<String>> conditions) throws SQLException {
boolean b = false;
if (sql == null || sql.trim().length() == 0) {
return b;
}
Connection conn = null;
ResultSet rs = null;
PreparedStatement pstmt = null;
//Ö´ÐÐsql
try {
conn = handler.getConnection();
pstmt = conn.prepareStatement(sql);
//Ñ»·¸³Öµ
for (List<String> condition : conditions) {
for (int i = 0; i < condition.size(); i++) {
pstmt.setString(i + 1, condition.get(i));
}
pstmt.addBatch();
}
&
Ïà¹ØÎĵµ£º
oracle±í¿Õ¼ä²Ù×÷Ïê½â
1
2
3×÷Õߣº À´Ô´£º ¸üÐÂÈÕÆÚ£º2006-01-04
5
6
7½¨Á¢±í¿Õ¼ä
8
9CREATE TABLESPACE data01
10DATAFILE '/ora ......
µ±LGWR´¦ÓÚ¿ÕÏÐ״̬ʱ£¬ËüÒÀÀµÓÚrdbms rpc messageµÈ´ýʼþ£¬´¦ÓÚÐÝÃß״̬£¬Ö±µ½ÈýÃëʱ¼äµ½£¬Èç¹ûÕâ¸öʱºòLGWR·¢ÏÖÓÐRedoÐÅÏ¢ÐèҪд³öµÄ»°£¬ÄÇôLGWR½«Ö´ÐÐдµÄ²Ù×÷£¬log file parallel writeµÈ´ýʼþ½«»á³öÏÖ¡£
¡¡¡¡×ܽáÒ»ÏÂRedoдµÄ´¥·¢Ìõ¼þ£º
¡¡¡¡1£¬Ã¿ÈýÃëÖÓ³¬Ê±(timeout)£º
µ±LGWR´¦ÓÚ¿ÕÏÐ״̬ʱ£¬ËüÒÀÀµÓÚrdbms r ......
oracleµÄÕýÔò±í´ïʽ(regular expression)¼òµ¥½éÉÜ
Ŀǰ£¬ÕýÔò±í´ïʽÒѾÔںܶàÈí¼þÖеõ½¹ã·ºµÄÓ¦Ó㬰üÀ¨*nix£¨Linux, UnixµÈ£©£¬HPµÈ²Ù×÷ϵͳ£¬PHP£¬C#£¬JavaµÈ¿ª·¢»·¾³¡£
Oracle 10gÕýÔò±í´ïʽÌá¸ßÁËSQLÁé»îÐÔ¡£ÓÐЧµÄ½â¾öÁËÊý¾ÝÓÐЧÐÔ£¬ ÖØ¸´´ÊµÄ±æÈÏ, Î޹صĿհ׼ì²â£¬»òÕß·Ö½â¶à¸öÕýÔò×é³É
µÄ×Ö·û´®µÈÎÊÌâ¡£
Orac ......
ÔÚOracleµÄQuery RewriteÖÐÖ÷ÒªÓÐÈýµã, µÚÒ»ÊÇҪʹÓÃCBO; µÚ¶þÊÇÒªÉèÖÃquery rewrite enabled²ÎÊýΪTRUE; µÚÈýÊÇÒªÏÈÔñÉèÖÃquery rewrite integrity²ÎÊýµÄÖµ(stale_tolerated, trusted, enforced). ¶ÔÓÚµÚÒ»µã, ÎÒÃÇ×îºÃanalyzeÏà¹ØµÄ±í¼°Ë÷Òý¼°MV; ¶ÔÓÚµÚ¶þµã,Õâ¸ö²ÎÊýÖ»ÓÐÁ½¸öÖµ(true, false), ºÜ¼òµ ......
// ½¨Á¢±í¿Õ¼ä£¨Ö¸¶¨Îļþ·¾¶£©¡£
create TABLESPACE EAS_D_sptcc0_STANDARD DATAFILE 'F:\oracledb\EAS_D_sptcc0_STANDARD.dbf' size 10000M EXTENT MANAGEMENT local;
// ɾ³ý±í¿Õ¼ä£¨Ö¸¶¨Îļþ·¾¶£©¡£
DROP TABLESPACE temp_data INCLUDING CONTENTS AND DATAFILES;
// ½¨Á¢ÁÙʱ±í¿Õ¼ä¡£
CREATE TEMPORARY TABLESPA ......