gnomad数据库”具体来说，在“易用”层面，林韶宾认为架构是核心，数据库的架构决定了开发、运维人员对于数据库的使用是否简单，包括安装、配置、优化、扩容、分布式监控等方面
我们必须添加远程对象以及远程处理和网络通讯协议等的类库的引用
如果三个传统的数据库设计者在一起，你会发现关于如何最好的设计数据库的四个看法
不仅要在巨量用户和巨量交易的数据环境中应对海量、高并发、低时延的业务需求，每一笔事务还必须满足强一致性、业务连续性、数据安全合规的必要条件
${PageNumber}1:1读写测试1. 四线程首先进行四线程的读写测试，其中2个线程做更新操作，另外两个线程做查询操作，持续运行10秒钟，每个线程的性能和总体性能如下：线程ID操作操作次数1查询541752查询538923更新316544更新31501每秒查询吞吐率(完成次数/s)10806.7每秒更新吞吐率(完成次数/s)6315.5总吞吐率（完成次数/s）17122.2在四个线程进行读写测试时，平均每秒可以进行1.08万次查询，0.63万次更新，总体吞吐率为1.71万
对于远程访问，只需将data/domino/Java/NSCO.jar拷贝过去;对于本地访问，只需将Domino数据库目录下的notes.jar文件加到classpath中即可
否则会忽略 BUFFPAGE 参数，并且用 NPAGES 参数所指定的页数创建缓冲池
"MySQL优化总结(mysql数据库优化总结)对于一个以数据为中心的应用，数据库的好坏直接影响到程序的性能，因此数据库性能至关重要
Handler.H文件前面直接指向#FormatImgID_38#table源代码，table直接指向MySQL里table元数据的内存结构
采用 System z 的 IBM智慧分析系统9600 和采用 System x 的 5600 型系统，为基于 Power Systems的7600带来了价格经济的集成服务器、存储、软件和服务
RMAN> alter database mount;database mounted?转存数据库，(这一步也许可以省略，现在还不能确定，等下再做测试)RMAN> restore database;Starting restore at 02-MAR-06using channel ORA_DISK_1skipping datafile 1; already restored to file /u02/oradata/DBAP01/system01.dbfskipping datafile 17; already restored to file /u02/oradata/DBAP01/mesprod04.dbfskipping datafile 21; already restored to file /u02/oradata/DBAP01/ts_rmantest.dbfskipping datafile 11; already restored to file /u02/oradata/DBAP01/FWPRODMES.dbfskipping datafile 12; already restored to file /u02/oradata/DBAP01/mesprod.dbfskipping datafile 3; already restored to file /u02/oradata/DBAP01/ts_user01.dbfskipping datafile 4; already restored to file /u02/oradata/DBAP01/ts_tools01.dbfskipping datafile 15; already restored to file /u02/oradata/DBAP01/ts_quest2.dbfskipping datafile 5; already restored to file /u02/oradata/DBAP01/TS_WIP1.dbfskipping datafile 8; already restored to file /u02/oradata/DBAP01/mesprod02.dbfskipping datafile 10; already restored to file /u02/oradata/DBAP01/ts_test01.dbfskipping datafile 6; already restored to file /u02/oradata/DBAP01/TS_WIP_I.dbfskipping datafile 16; already restored to file /u02/oradata/DBAP01/TS_WIP_I03.dbfskipping datafile 20; already restored to file /u02/oradata/DBAP01/TS_WIP_I01.dbfskipping datafile 7; already restored to file /u02/oradata/DBAP01/system02.dbfskipping datafile 13; already restored to file /u02/oradata/DBAP01/TS_WIP_I02.dbfskipping datafile 18; already restored to file /u02/oradata/DBAP01/mesprod05.dbfskipping datafile 9; already restored to file /u02/oradata/DBAP01/TS_UNDO_01.dbfskipping datafile 14; already restored to file /u02/oradata/DBAP01/ts_quest1.dbfskipping datafile 19; already restored to file /u02/oradata/DBAP01/mesprod01.dbfchannel ORA_DISK_1: starting datafile backupset restorechannel ORA_DISK_1: specifying datafile(s) to restore from backup setrestoring datafile 00002 to /u02/oradata/DBAP01/undotbs01.dbfchannel ORA_DISK_1: restored backup piece 1piece handle=/u01/rman_backup/df_DBAP01_134_1.bak tag=TAG20060302T084502 params=NULLchannel ORA_DISK_1: restore completeFinished restore at 02-MAR-06?恢复数据库：RMAN> recover database;Starting recover at 02-MAR-06using channel ORA_DISK_1starting media recoveryarchive log thread 1 sequence 1 is already on disk as file /u02/oradata/DBAP01/redo01.logarchive log filename=/u02/oradata/DBAP01/redo01.log thread=1 sequence=1RMAN-00571: ===========================================================RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============RMAN-00571: ===========================================================RMAN-03002: failure of recover command at 03/02/2006 09:21:23ORA-00283: recovery session canceled due to errorsRMAN-11003: failure during parse/execution of SQL statement: alter database recover logfile ''/u02/oradata/DBAP01/redo01.log''ORA-00283: recovery session canceled due to errorsORA-01244: unnamed datafile(s) added to controlfile by media recoveryORA-01110: data file 22: ''/u02/oradata/DBAP01/ts_test02.dbf''?错误提示，没有数据文件：ORA-01110: data file 22: ''/u02/oradata/DBAP01/ts_test02.dbf''打开DBA的身份连接数据库：SQL>conn / as sysdbaConnected.创建数据文件：SQL> alter database create datafile 22 as ''/u02/oradata/DBAP01/ts_test02.dbf'';Database altered.Elapsed: 00:00:00.35继续恢复数据库：RMAN> recover database;Starting recover at 02-MAR-06using channel ORA_DISK_1starting media recoveryarchive log thread 1 sequence 1 is already on disk as file /u02/oradata/DBAP01/redo01.logarchive log filename=/u02/oradata/DBAP01/redo01.log thread=1 sequence=1RMAN-00571: ===========================================================RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============RMAN-00571: ===========================================================RMAN-03002: failure of recover command at 03/02/2006 09:22:40ORA-00283: recovery session canceled due to errorsRMAN-11003: failure during parse/execution of SQL statement: alter database recover logfile ''/u02/oradata/DBAP01/redo01.log''ORA-00283: recovery session canceled due to errorsORA-01244: unnamed datafile(s) added to controlfile by media recoveryORA-01110: data file 23: ''/u02/oradata/DBAP01/ts_testxx01.dbf''?错误提示没有数据文件：ORA-01110: data file 23: ''/u02/oradata/DBAP01/ts_testxx01.dbf''，这个数据文件是TS_TESTXX表空间的，在SQL*PLUS中添加这个数据文件：SQL> alter database create datafile 23 as ''/u02/oradata/DBAP01/ts_testxx01.dbf'';Database altered.Elapsed: 00:00:00.38?继续恢复：RMAN> recover database;Starting recover at 02-MAR-06using channel ORA_DISK_1starting media recoveryarchive log thread 1 sequence 1 is already on disk as file /u02/oradata/DBAP01/redo01.logarchive log filename=/u02/oradata/DBAP01/redo01.log thread=1 sequence=1media recovery completeFinished recover at 02-MAR-06现在恢复完成，以resetlogs的方式打开数据库：RMAN> alter database open resetlogs;database openedRMAN> 确认恢复是否成功:SQL> select segment_name from dba_segments where tablespace_name=''TS_TESTXX'';SEGMENT_NAME---------------------------------------------------------------------------------T3Elapsed: 00:00:00.17SQL> select count(*) from scott.t3;? COUNT(*)---------- 4704Elapsed: 00:00:00.01SQL> 至此,我们可以看到,数据库是恢复成功的.在这个过程中我们不需要确定数据文件的创建时间点，rman会自动恢复数据到创建数据文件的时间点.下面测试在这个恢复过程中,是否需要restore database,如果不需要,则可能能说明即便是整个备份的数据都丢失了,也能恢复数据库,当然归档的及没归档的日志文件不能丢失."
在服务器回到生产环境之前，您可能还要重新调用一些迁移文件，以进一步进行测试
同时，2014年12月26日，深圳警方与腾讯安全还将举办“天下无贼一周年”新闻发布会，正式向外界公布反信息诈骗联盟成立一周年来的详细战果，同时还将宣布多项反信息诈骗联盟升级计划，让“警企民”联合防诈骗模式快速推向全国
但“芯”片研发方面，一直是我们永远的“痛”
为了减少客户的感知利失，企业必须全面了解客户的价值链及构成价值链的活动，掌握有关客户需求和偏好的知识
在将来，我们将不断地将对 DB2 Web 服务开发的支持整合到其他的 IDE 中
本文将主要介绍System.Data.SqlClient.SqlTranscation类，下面的段落中，除了特别注明，都将使用System.Data.SqlClient.SqlTranscation类
值得一提的是，中国政府对软件产业的大力支持以及对中国信息化建设的推动为中间件市场的繁荣发展带来强大动力，国务院在日前公布的4万亿扩大内需措施中明确表明了文化教育、交通、医疗卫生和电力等行业将会是重点关注的领域，这些利好的政策无疑为国内中间件向行业细分的纵深发展提供了难得的发展良机
