??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲色大成网站WWW久久九九 ,91嫩草亚洲精品,亚洲成年人电影在线观看http://m.tkk7.com/atealxt/category/33063.html面向对象Q开源,框架Q敏P云计,NoSQLQ编E思想?/description>zh-cnFri, 24 Jun 2011 21:55:25 GMTFri, 24 Jun 2011 21:55:25 GMT60MySQLM复制失效的问?/title><link>http://m.tkk7.com/atealxt/archive/2011/06/24/mysql_master_slave_replication_inactivation.html</link><dc:creator>Atea</dc:creator><author>Atea</author><pubDate>Fri, 24 Jun 2011 08:47:00 GMT</pubDate><guid>http://m.tkk7.com/atealxt/archive/2011/06/24/mysql_master_slave_replication_inactivation.html</guid><wfw:comment>http://m.tkk7.com/atealxt/comments/352977.html</wfw:comment><comments>http://m.tkk7.com/atealxt/archive/2011/06/24/mysql_master_slave_replication_inactivation.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/atealxt/comments/commentRss/352977.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/atealxt/services/trackbacks/352977.html</trackback:ping><description><![CDATA[现象Q?br /><div>JDBC执行 UPDATE DB_NAME.TABLE_NAME SET COLUMN_NAME xxxx;<br />然后操作q不计入mysql binlogQ主从复制失效?br /><br />发生条gQ?br />1、MySQL 5.1 (理论?.1+)<br />2、SQL语句指定库名/跨库执行Q之前没有指到这个库下面(use DATABASE_NAME )<br />3、MySQLM配置没有?-replicate-wild-do-table=<em>db_name</em>.%<br /><br />解决办法Q?br />在主从配|文件内加入参数<br /><div>--replicate-wild-do-table=<em>db_name</em>.%</div><br />参考文:(x)<br />MySQL官方文<br /><div><a target="_blank" >MySQL中的复制 -> 复制启动选项</a><br /></div></div><img src ="http://m.tkk7.com/atealxt/aggbug/352977.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/atealxt/" target="_blank">Atea</a> 2011-06-24 16:47 <a href="http://m.tkk7.com/atealxt/archive/2011/06/24/mysql_master_slave_replication_inactivation.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>MW记 —?Oracle Database 9i/10g/11g~程艺术http://m.tkk7.com/atealxt/archive/2011/03/17/book_read_note_oracle_database_9i10gand11g_programming_techniques_and_solutions.htmlAteaAteaThu, 17 Mar 2011 14:19:00 GMThttp://m.tkk7.com/atealxt/archive/2011/03/17/book_read_note_oracle_database_9i10gand11g_programming_techniques_and_solutions.htmlhttp://m.tkk7.com/atealxt/comments/346498.htmlhttp://m.tkk7.com/atealxt/archive/2011/03/17/book_read_note_oracle_database_9i10gand11g_programming_techniques_and_solutions.html#Feedback0http://m.tkk7.com/atealxt/comments/commentRss/346498.htmlhttp://m.tkk7.com/atealxt/services/trackbacks/346498.html sum,count{函Cؓ(f)表锁
null不等于Q何|包括它自?br /> 量不要使用LONG型字D,而考虑使用CLOB
与不可重复读的区别在于:(x)在像读中,已经d的数据不?x)改变,只是与以前相比,会(x)有更多的数据满你的查询条?br /> 客户端发出的语句Q如INSERT INTOQ是原子性的
应慎用IMMEDIATEU束。一条语句可能会(x)使表中的各行暂时“不一?#8221;Q这是很自然的?br /> 一般认为,用更新联来修改主键是很不好的做?br /> 应手动给外键加烦(ch)引,否则?x)引起子表的表锁?br /> 优化期会(x)对视囄来源表用查询。所以,对视囑֊索引不如直接Ҏ(gu)源表q行索引优化?br />
无法通过频繁提交?#8220;节省”undoI间Q所以没有必要在循环中提交?br /> 1、事务的_度Q时长)(j)应设计的可能小Q短Q?br /> 2、事务不是稀~源,所以不要在循环中提?br /> 以上2个说法都正确Qƈ不矛盾:(x)
Re1: 事务q大Q会(x)在rollback时消耗大量资?br /> Re2: 循环提交?x)频JIO

性能调优Q应首先试减少查询的运行时_(d)其次再考虑讄参数{?br /> 查询中最好手动加上order by
索引l织表(IOTQ是存储在烦(ch)引结构中的表Q适合OLAP应用。IOT不存在主键的I间开销Q因为烦(ch)引就是输据?br /> 位图索引适用于高度重复而且通常只读的数据(在OLTP中慎用,涉及(qing)到ƈ发性)(j)。在d集的环境中能很好的工作,但极不适用于写密集环境?br /> 仅当要通过索引讉K表中很少的一部分行(很小的一个百分比Q时Q才使用B*索引。每个唯一U束应该臛_有一个确实唯一的NOT NULL列。B*?wi)?ch)引不?x)对一个完全ؓ(f)NULL的项加烦(ch)引?br />
http://atealxt.appspot.com/article/20110317/book_read_note_oracle_database_9i10gand11g_programming_techniques_and_solutions.html


Atea 2011-03-17 22:19 发表评论
]]>
MW记 —?MySQL技术内q?InnoDB存储引擎http://m.tkk7.com/atealxt/archive/2011/02/28/mysql_study_note_9787111321880_B004F9PL2O.htmlAteaAteaMon, 28 Feb 2011 15:16:00 GMThttp://m.tkk7.com/atealxt/archive/2011/02/28/mysql_study_note_9787111321880_B004F9PL2O.htmlhttp://m.tkk7.com/atealxt/comments/345382.htmlhttp://m.tkk7.com/atealxt/archive/2011/02/28/mysql_study_note_9787111321880_B004F9PL2O.html#Feedback0http://m.tkk7.com/atealxt/comments/commentRss/345382.htmlhttp://m.tkk7.com/atealxt/services/trackbacks/345382.html也许q几个月再回来重读,?x)有另一番心(j)得?

W记包含索引、事务与锁、备份及(qing)其他四类?
  阅读全文

Atea 2011-02-28 23:16 发表评论
]]>
使用Apache DBUtils的batch提交遇到的的NullPointerExceptionhttp://m.tkk7.com/atealxt/archive/2010/12/13/ORACLE_JDBC_DRIVER_DBUTILS.htmlAteaAteaMon, 13 Dec 2010 08:05:00 GMThttp://m.tkk7.com/atealxt/archive/2010/12/13/ORACLE_JDBC_DRIVER_DBUTILS.htmlhttp://m.tkk7.com/atealxt/comments/340517.htmlhttp://m.tkk7.com/atealxt/archive/2010/12/13/ORACLE_JDBC_DRIVER_DBUTILS.html#Feedback0http://m.tkk7.com/atealxt/comments/commentRss/340517.htmlhttp://m.tkk7.com/atealxt/services/trackbacks/340517.html
java.lang.NullPointerException
    at oracle.jdbc.dbaccess.DBData.clearItem(DBData.java:
431)
    at oracle.jdbc.dbaccess.DBDataSetImpl.clearItem(DBDataSetImpl.java:
3528)
    at oracle.jdbc.driver.OraclePreparedStatement.checkBindTypes(OraclePreparedStatement.java:
3271)
    at oracle.jdbc.driver.OraclePreparedStatement.setNull(OraclePreparedStatement.java:
1322)
    at org.apache.commons.dbutils.QueryRunner.fillStatement(QueryRunner.java:
197)
    at org.apache.commons.dbutils.QueryRunner.batch(QueryRunner.java:
122)

也是|上搜了(jin)半天Q查?jin)不原因,未果?br /> 最后试着更新?jin)一下jdbc驱动Q原来是oracle较早版本的jdbc驱动bug所致?br /> d|下载一个所对应oracle版本的最新jdbc驱动O(jin)K?jin)?br />


Atea 2010-12-13 16:05 发表评论
]]>
点C?/title><link>http://m.tkk7.com/atealxt/archive/2010/01/18/floating_number_between_java_and_mysql.html</link><dc:creator>Atea</dc:creator><author>Atea</author><pubDate>Mon, 18 Jan 2010 04:58:00 GMT</pubDate><guid>http://m.tkk7.com/atealxt/archive/2010/01/18/floating_number_between_java_and_mysql.html</guid><wfw:comment>http://m.tkk7.com/atealxt/comments/309942.html</wfw:comment><comments>http://m.tkk7.com/atealxt/archive/2010/01/18/floating_number_between_java_and_mysql.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/atealxt/comments/commentRss/309942.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/atealxt/services/trackbacks/309942.html</trackback:ping><description><![CDATA[     摘要: <br>首先来预热一?) <br>System.out.println(2.00 - 1.10); <br>System.out.println(2.00d - 1.10d); <br>System.out.println(2.00D - 1.10D); <br> <br>{案 <br>// 0.8999999999999999 <br>// 0.8999999999999999 <br>// 0.8999999999999999 <br>PSQJAVA Puzzlers(Puzzle 2) <br> <br>那么Q问题是Q?<br>一个QҎ(gu)XQ存到DB里是305.35Q页面显C?05.34 <br>X = ? <br> <br>DB用的是MySQLQ字D늱型是FLOAT(8,2) <br>后台框架用的是Hibernate <br>前台昄用的是JSTL tag <br>  <a href='http://m.tkk7.com/atealxt/archive/2010/01/18/floating_number_between_java_and_mysql.html'>阅读全文</a><img src ="http://m.tkk7.com/atealxt/aggbug/309942.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/atealxt/" target="_blank">Atea</a> 2010-01-18 12:58 <a href="http://m.tkk7.com/atealxt/archive/2010/01/18/floating_number_between_java_and_mysql.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>一Uorg.hibernate.exception.ConstraintViolationExceptionhttp://m.tkk7.com/atealxt/archive/2009/01/31/linux_hibernate_SchemaExport_mysql.htmlAteaAteaSat, 31 Jan 2009 02:36:00 GMThttp://m.tkk7.com/atealxt/archive/2009/01/31/linux_hibernate_SchemaExport_mysql.htmlhttp://m.tkk7.com/atealxt/comments/252777.htmlhttp://m.tkk7.com/atealxt/archive/2009/01/31/linux_hibernate_SchemaExport_mysql.html#Feedback2http://m.tkk7.com/atealxt/comments/commentRss/252777.htmlhttp://m.tkk7.com/atealxt/services/trackbacks/252777.html查看DBQ发现表引擎是MyISAMQ而不是期望的InnoDB。我的代码是在用到batch的时?Session.flush())才出的错Q查?jin)查MyISAM的资料,应该是q个?jin)?nbsp; 阅读全文

Atea 2009-01-31 10:36 发表评论
]]>
初识PL/SQLhttp://m.tkk7.com/atealxt/archive/2008/12/26/PL_SQL.htmlAteaAteaFri, 26 Dec 2008 12:22:00 GMThttp://m.tkk7.com/atealxt/archive/2008/12/26/PL_SQL.htmlhttp://m.tkk7.com/atealxt/comments/248536.htmlhttp://m.tkk7.com/atealxt/archive/2008/12/26/PL_SQL.html#Feedback0http://m.tkk7.com/atealxt/comments/commentRss/248536.htmlhttp://m.tkk7.com/atealxt/services/trackbacks/248536.html阅读全文

Atea 2008-12-26 20:22 发表评论
]]>
ORACLE中CHARcd自动补I格的问?/title><link>http://m.tkk7.com/atealxt/archive/2008/11/11/oracle_rtrim.html</link><dc:creator>Atea</dc:creator><author>Atea</author><pubDate>Tue, 11 Nov 2008 06:45:00 GMT</pubDate><guid>http://m.tkk7.com/atealxt/archive/2008/11/11/oracle_rtrim.html</guid><wfw:comment>http://m.tkk7.com/atealxt/comments/239880.html</wfw:comment><comments>http://m.tkk7.com/atealxt/archive/2008/11/11/oracle_rtrim.html#Feedback</comments><slash:comments>4</slash:comments><wfw:commentRss>http://m.tkk7.com/atealxt/comments/commentRss/239880.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/atealxt/services/trackbacks/239880.html</trackback:ping><description><![CDATA[     摘要: 在ORACLE中,CHARcd的字Dg(x)自动补I格。所以当其作为条件时Q就有可能查不出惌的数据?<br>如果不允许改DB设计的话Q那qRTRIM来解军_?nbsp; <a href='http://m.tkk7.com/atealxt/archive/2008/11/11/oracle_rtrim.html'>阅读全文</a><img src ="http://m.tkk7.com/atealxt/aggbug/239880.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/atealxt/" target="_blank">Atea</a> 2008-11-11 14:45 <a href="http://m.tkk7.com/atealxt/archive/2008/11/11/oracle_rtrim.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss> <footer> <div class="friendship-link"> <p>лǵվܻԴȤ</p> <a href="http://m.tkk7.com/" title="亚洲av成人片在线观看">亚洲av成人片在线观看</a> <div class="friend-links"> </div> </div> </footer> վ֩ģ壺 <a href="http://x3013.com" target="_blank">þþƷѵӰ</a>| <a href="http://sy8989.com" target="_blank">ѻɫƵ </a>| <a href="http://yuntao360.com" target="_blank">ѹҹ߹ۿ</a>| <a href="http://cswsfz.com" target="_blank">Ұһ </a>| <a href="http://57gt.com" target="_blank">ձһ</a>| <a href="http://ziguang1688.com" target="_blank">Ƶ߹ۿ</a>| <a href="http://jiggybaby.com" target="_blank">˳ɶ߲r18</a>| <a href="http://vvihh.com" target="_blank">99ƵƷȫѹۿ</a>| <a href="http://niutextile.com" target="_blank">þþƷƷ </a>| <a href="http://www003924.com" target="_blank">޾Ʒ߹ۿ</a>| <a href="http://wwwvv99.com" target="_blank">Ƶ</a>| <a href="http://www77714.com" target="_blank">ҴýһAV</a>| <a href="http://doctor5470.com" target="_blank">ձ˳ƵѲ</a>| <a href="http://chenglide.com" target="_blank">aרav</a>| <a href="http://cfxzp.com" target="_blank">һësuvÿĹվ</a>| <a href="http://jmdehong.com" target="_blank">޹ۺ</a>| <a href="http://m8va.com" target="_blank">ɫƬѿ</a>| <a href="http://rbthy.com" target="_blank">׾Ʒר</a>| <a href="http://quxx10.com" target="_blank">߾Ʒ޵һ</a>| <a href="http://jnyygs.com" target="_blank">ŮƵaƵȫ</a>| <a href="http://snsdtv.com" target="_blank">˾þô߽AV</a>| <a href="http://15nw.com" target="_blank">˿</a>| <a href="http://788qj.com" target="_blank">Ƭѹۿȫ</a>| <a href="http://ymiwang.com" target="_blank">ۺһƷ</a>| <a href="http://zhaoxinwo.com" target="_blank">һѸ߹ۿ</a>| <a href="http://tzkanglong.com" target="_blank">޾Ʒþ</a>| <a href="http://huahui1866.com" target="_blank">91þþƷֱ</a>| <a href="http://sh-lkby.com" target="_blank">ŷպƵ</a>| <a href="http://556228.com" target="_blank">˾þۺӰԺ</a>| <a href="http://wenfaka.com" target="_blank">þþþþëƬѲ</a>| <a href="http://yongyihongze.com" target="_blank">ŷۺϾþþ</a>| <a href="http://500308k.com" target="_blank">ŷ޹ۺ߹ۿ</a>| <a href="http://pppmmmm.com" target="_blank">ձѹۿ</a>| <a href="http://xiaojiejieav.com" target="_blank">ղһ</a>| <a href="http://ee45987.com" target="_blank">˾þۺij</a>| <a href="http://takiku.com" target="_blank">þѵľƷV</a>| <a href="http://715686.com" target="_blank">ҹaëƬƵ</a>| <a href="http://xxxxnii.com" target="_blank">Ƶ.com</a>| <a href="http://jybelt.com" target="_blank">޳aƬӰԺ</a>| <a href="http://600c20.com" target="_blank">ŷ޾Ʒ99ëƬѸۿ</a>| <a href="http://mmm19.com" target="_blank">AVAVպAVվ</a>| <script> (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script> </body>