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
itpubÂÛ̳ÖÐÔøÓÐÐÖµÜ˵¹ýmaterialized viewÊÇÒԿռ任ʱ¼ä£¬ÎÒÈÏΪ·Ç³£ÌùÇС£ÎﻯÊÓͼʵ¼Ê¾ÍÊÇ»ùÓÚ²éѯµÄÊý¾Ý¿½±´£¬ÆäÐÎʽ
¼òµ¥Àí½âµÄ»°¿ÉÒÔ¿´³ÉÊÇcreate table table_name as select * from table¡£
ºÇºÇ£¬ÈËÃÇ×ÜÊÇÏ£ÍûÊÂÇéÔ½¼òµ¥Ô½ºÃÂÓÚÊǵ±°³¿´µ½Õâ¸ö¶«Î÷Õâô¼òµ¥£¬Í·ÄÔÒ»·¢ÈÈÒ²ÆÈ²»¼°´ý³åÁ˹ýÔÆ£¬ÏÂÃæÎҾ;ßÌåÃè ......
SET NEWPAGE NONE HEADING OFF SPACE 0 PAGESIZE 0 TRIMOUT ON TRIMSPOOL ON LINESIZE 2500 colsep | feedback off termout off pages 0
set colsep |
alter session set nls_date_format='yyyy-mm-dd hh24:mi:ss';
set feedback on
declare cursor cur_no is
select beginno,endno from hm where 1=1;
b ......
ÔÚQuery RewriteÖдó¼Ò¿´µ½Õâ¸ö¼¼ÊõÀë²»¿ªÒ»Ñù¶«Î÷, ʵÌ廯ÊÓͼ, ¼ò³ÆMVIEW. ÕâÊÇOracleÔÚ8iÖÐÊ×ÏÈÍÆ³öµÄ¼¼Êõ, MVIEW³ýÁËÔÚQuery RewriteÖÐʹÓÃÍâ, »¹ÔÚMaster - Slave¸´ÖÆÖÐÓкÜÖØÒªµÄ×÷ÓÃ, ÔÚÕâ¶ùÎÒÃÇÖ÷Òª¹ØÐÄQuery RewriteÏà¹ØµÄµØ·½, OracleÔÚQuery Rewrite·½ÃæÔ½À´Ô½Ç¿ÁË, ÔÚOracle 8iÖлù±¾ÉÏÊÇText Ma ......
¶ÔÓÚÒ»¸ö¸ø¶¨µÄSQL, ºÍÏÖÓеÄMVIEW, Õâ¸öSQL¿ÉÄܱ»Rewrite, Ò²¿ÉÄܲ»Äܱ»Rewrite, ÈçºÎÕÒ³öÕâÆäÖеÄÔÒòÄØ, ¿¿¾Ñé¿ÉÒÔ½â¾öһЩÎÊÌâ, ²»¹ýËù»¨µÄʱ¼ä¾ÍÒª³¤Ò»µãÁË. ÆäʵÔÚOracleÖÐÌṩÁËÒ»¸öº¯Êý¿ÉÒÔÓÃÓÚ½âÊÍΪʲôij¸öSQL²»Äܱ»ÖØÐ´, Õâ¸ö¹ý³ÌλÓÚdbms_mviewÕâ¸ö°üÖÐ, ¹ý³ÌÃûΪexplain_rewrite, ÓÐÁËÕâ¸ö¹¤¾ß, ¿ÉÒ ......
ÔÎÄ:http://www.blogjava.net/Unmi/archive/2009/01/05/249956.html
ÔÚ Oracle Êý¾Ý¿âÖУ¬ÎÒÃÇͨ³£ÔÚ²»Í¬Êý¾Ý¿âµÄ±í¼ä¼Ç¼½øÐи´ÖÆ»òÇ¨ÒÆÊ±»áÓÃÒÔϼ¸ÖÖ·½·¨£º
1. A ±íµÄ¼Ç¼µ¼³öΪһÌõÌõ·ÖºÅ¸ô¿ªµÄ insert Óï¾ä£¬È»ºóÖ´ÐвåÈëµ½ B ±íÖÐ
2. ½¨Á¢Êý¾Ý¿â¼äµÄ dblink£¬È»ºóÓà create table B as select * from A ......