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关于关键词 的检测结果,共 2547
unix_5359 | 2018-07-30 15:06:05 | 阅读(1640) | 评论(0)
27、Examine these facts about a database:1. USERS is the database default tablespace.2. USER1, USER2, AND USER3 have the CREATE SESSION privilege.3. They also have UNLIMITED QUOTA on the default tablespace USERS.4. They have no other privileges.Examine these commands:SQL> c...【阅读全文】
unix_5359 | 2018-07-30 14:35:05 | 阅读(1460) | 评论(0)
26、In which state can you back up a database in ARCHIVELOGMODE using RMAN?A. NOMOUNT, MOUNT, AND OPENB. NOMOUNT AND MOUNT ONLYC. OPEN ONLYD. MOUNT AND OPEN ONLYE. OPEN RESTRICTED ONLYCorrect Answer: D【阅读全文】
unix_5359 | 2018-07-27 15:00:21 | 阅读(1240) | 评论(0)
24、 YOUR DB_RECOVERY_FILE_DEST_SIZE Is 8G.Currently, 5G of the space Is used of which 4G consists of obsolete backups.You execute this command:SQL> ALTER SYSTEM SET db_recovery_file_dest_size=2G;What is the outcome?A) It changes DB_RECOVERY_FILE_DEST_SIZE to 5G.B) It chan...【阅读全文】
unix_5359 | 2018-07-26 11:07:52 | 阅读(1020) | 评论(0)
23、Which two are true about data dictionary and dynamic performance views (v$ views)?A) All database users have access to ALL_* views.B) Data dictionary view output is subject to read consistency.C) The defining queries for Oracle supplied dynamic performance views are stored In the...【阅读全文】
unix_5359 | 2018-07-26 10:46:09 | 阅读(880) | 评论(0)
22、You are planning a software installation for both Oracle Database 11g Release 1 and Release 2.You plan to have at lease one database for each release managed by Grid Infrastructure for a Standalone Server.Which three are true in this scenario?A) Oracle 11g Release 1 databases mus...【阅读全文】
unix_5359 | 2018-07-25 11:36:05 | 阅读(960) | 评论(0)
21、Which two are true about roles?A) A role can be password-protected.B) A role can be granted to another role.C) Only one default role can be granted to a user.D) A role can be granted only multiple system privileges not multiple object privileges.E) A role can be created on...【阅读全文】
unix_5359 | 2018-07-25 11:22:13 | 阅读(770) | 评论(0)
20、 Which is true about the SYSTEM and SYSAUX tablespaces?A) The SYSAUX tablespace can be made read-only but the SYSTEM tablespace cannot.B) Both tablespaces can be used for temporary storage if no temporary tablespace is defined.C) Only the SYSTEM tablespace contains data dictionar...【阅读全文】
unix_5359 | 2018-07-24 11:43:05 | 阅读(800) | 评论(0)
18、You want to Install Oracle 11g database software and create a database on ASM Immediately after the Install.Your plan is to install both Oracle database and Grid Infrastructure.Which two are true in this scenario?A) Grid Infrastructure must be installed first.B) Both products ...【阅读全文】
unix_5359 | 2018-07-23 12:05:03 | 阅读(800) | 评论(0)
17、Which two statements are true about tablespaces?A) A database can contain multiple undo tablespaces.B) A database can contain only a single temporary tablespace.C) A database instance stores undo data In the SYSTEM tablespace If no undo tablespace exists.D) A database instance...【阅读全文】
unix_5359 | 2018-07-23 11:57:00 | 阅读(980) | 评论(0)
16、Your database Is configured In archivelog mode.The USERS01 tablespace Is currently online.You are required to take the tablespace offline.Which clause or clauses ensure that no media recovery is requiredwhen the tablespace Is brought back online?A) either the NORMAL or the ...【阅读全文】
unix_5359 | 2018-07-17 11:58:57 | 阅读(810) | 评论(0)
14、Which command is used to display files that no longer conform to the backup retention policy?A) REPORT OBSOLETEB) SHOW DATAFILE BACKUP COPIESC) CROSSCHECK BACKUPD) LIST EXPIRED BACKUPAnswer:A【阅读全文】
unix_5359 | 2018-07-13 10:12:02 | 阅读(660) | 评论(0)
11、Which three are true about UNDO data?A) It is used to roll back failed transactions.B) It is used to rewind a database by using FLASHBACK DATABASE.C) It is used to recover dropped tables by using FLASHBACK TABLE … TO BEFORE DROP.D) It is used to enable ROLLBACK statements to ...【阅读全文】
unix_5359 | 2018-07-12 10:13:47 | 阅读(860) | 评论(0)
10、Which two are true about consistent database backups?A) They can only be taken when a RECOVERY CATALOG is used.B) They can only be taken if the database Is in ARCHIVELOG mode.C) They can only be taken If shutdown NORMAL, TRANSACTIONAL, or IMMEDIATE shutdown has been performed and ...【阅读全文】
unix_5359 | 2018-07-10 14:17:56 | 阅读(600) | 评论(0)
6、You are installing Oracle Grid Infrastructure by using the Oracle Universal Installer (OUI).You select the "Install and Configure Grid Infrastructure for a Standalone Server" option.Which task is performed by OUI as part of this installation?A) creation and configuration of Enterp...【阅读全文】
hxl | 2018-05-11 08:59:57 | 阅读(0) | 评论(0)
因安全审计需要,在REPLICAT 中设置USERID and PASSWORD 的时候避免采用明文造成安全隐患,可以采用加密后的密码。具体方法如下:ggsci (localhost) 1> encrypt password mypasswd, ENCRYPTCKEY defaultUsing default key ...Encrypted password:  AACAAAAAAAAADAJHGCEFDEUGHDPIKDAlgorithm used:  BLOWF...【阅读全文】
liyf0371 | 2018-04-13 19:20:06 | 阅读(2010) | 评论(0)
控制文件(control file)是一个相当小的文件(最多能增长到64M左右),其中包含Oracle需要的其他文件的一个目录。参数文件告知实例控制文件的位置,控制文件则告知示例数据库和在线重做日志文件的位置。控制文件还告知了Oracle其他一些事情,如已发生检查点的有关信息、数据库名(必须和db_name参数匹配)、创建数据库的时...【阅读全文】
arm_zwinger | 2018-03-19 15:50:39 | 阅读(3330) | 评论(0)
Oracle index null 全表查询【阅读全文】
【Oracle】 RAC+DG部署
hxl | 2018-03-02 10:26:59 | 阅读(0) | 评论(0)
CentOS下安装11G RAC环境:OS:CentOS 7DB:11.2.0.41.安装步骤1.1 环境部署IP规划IPhostname192.168.56.111hos...【阅读全文】
【Oracle】 RAC 增 SCAN
zhangzhengxing | 2018-01-16 21:32:10 | 阅读(820) | 评论(0)
刚开始ip有点紧张,我就只设置了一个SCAN,怕轮询不了,必须在加SCAN IP这样来增加: [root@esm1 ~]# /u01/grid/11g/bin/srvctl config scan SCAN name: racscan, Network: 1/192.168.116.0/255.255.255.0/eth0 SCAN VIP name: scan1, IP: /racscan/192.168.116.254我们看看scan监听的情况 [root@esm1 ~]# /u01/gr...【阅读全文】
Roobbin | 2018-01-02 18:33:12 | 阅读(3290) | 评论(0)
exp 用户/密码@orcl tables= file=e:\1111.dmp owner=所属用户 query=\" where条件语句\";【阅读全文】