1 hosts主机配置echo "neiwangip 主机名" >> /etc/hosts 2 配置英文环境变量echo "export LANG=en_US" >> ~/.bash_profile export NLS_LANG=SIMPLIFIED CHINESE_CHINA.ZHS16GBK 3 创建用户与目录/usr/sbin/groupadd -g 60001 oinstall/usr/sbin/groupadd -g 60002
1.choose the best answer What is the primary difference between the relational database (RDB) and object-oriented database (OODB) models? A) RDB allows the definition of relationships between different tables, whereas OODB does not allow this. B) OODB inc
20.choose two Examine the description of the EMP_DETAILS table given below: Which two statements are true regarding SQL statements that can be executed on the EMP_DETAIL table? A) You cannot add a new column to the table with LONG as the data type. B) An
4、choose two: View the Exhibit and examine the data in the PRODUCT_INFORMATION table. Which two tasks would require subqueries? (Choose two.) A) displaying all supplier IDs whose average list price is more than 500 B) displaying the total number of produ
5、 choose two: You executed the following CREATE TABLE statement that resulted in an error: SQL> CREATE TABLE employees( emp_id NUMBER(10) PRIMARY KEY, ename VARCHAR2(20), email NUMBER(3) UNIQUE, address VARCHAR2(500), phone VARCHAR2 (20), resume LONG,
6、 choose the best answer: View the Exhibit and examine the structure of the CUSTOMERS table. Evaluate the following SQL statement: SQL> SELECT cust_city, COUNT(cust_last_name) FROM customers WHERE cust_credit_limit > 1000 GROUP BY cust_city HAVING
同事正常操作，并停止一个ogg进程，数据库是12c的。ogg当然也是12c的版本。一切都是一个正常的操作，但是出了坑爹的效应，差不多四个人，搞了近3个小时吧。下面我们看看详细的报错; GGSCI (dwdb1) 1> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER
同事正常操作，并停止一个ogg进程，数据库是12c的。ogg当然也是12c的版本。一切都是一个正常的操作，但是出了坑爹的效应，差不多四个人，搞了近3个小时吧。下面我们看看详细的报错；GGSCI (dwdb1) 1> info all Program Status Group Lag at Chkpt Time Since Chkpt MANAGER
看了很多博客，发现在动态注册与静态注册上，很多都是用12c之前的版本，于是就与12C不符合。 12C新弄了个LRGE来分了PMON的权限，大家都能理解，毕竟功能粒度越小越号。 PMON（Process Monitor Process） The process monitor (PMON) detects the termination of other background proce
UART/12C/TTL的定义与区别： UART:UART（Universal Asynchronous Receive Transmitter）：也就是我们经常所说的串口，基本都用于调试。主机和从机至少要接三根线，RX、TX和GND。 SPI（Serial Peripheral Interface, 同步外设接口）是由摩托罗拉公司开发的全双工同步串行总线，该总线大量用在
--//oracle 12c 支持建立分区表新特性，就是在线修改普通表为分区表。 1.环境： SCOTT@test01p> @ ver1 PORT_STRING VERSION BANNER
一、首先确定自己的数据库版本（数据库版本的不同，用的命令及参数形式上会有些许差异） 可以直接用客户端工具如pl\sql developer、nevicat等连上数据库，也可登上slqplus，输入以下语句查看，结果如下图所示 select * from V$version; --查看数据库版本 如果你是用exp导
环境System : CentOS 7.xjrxxfwb-zrgldb://> uname -a Linux jrxxfwb-zrgldb 3.10.0-693.17.1.el7.x86_64 #1 SMP Thu Jan 25 20:13:58 UTC 2018 x86_64 x86_64 x86_64 GNU/LinuxSELINUX: 关闭FIREWALL：关闭systemctl stop firewalld.service --关闭防火墙 systemctl disable firewa
1、紧接上文，配置过程请看上文2、进入proxysql数据目录 [root@12c proxysql]# cd /var/lib/proxysql/ [root@12c proxysql]# ll total 344 -rw-rw-r-- 1 proxysql proxysql 1050 Jul 18 13:45 proxysql-ca.pem -rw-rw-r-- 1 proxysql proxysql 1058 Jul 18 13:45 proxysql-cert.
安装 Oracle 12cR1 RAC on Linux 7 本文介绍如何在Oracle Linux 7上安装2节点Oracle 12cR1 Real Application Cluster（RAC）。通过使用共享存储创建2个虚拟机，在Oracle Virtual Box上进行了此安装。我使用的OS平台是Oracle Enterprise Linux 7，Oracle GI和RDBMS版本是12.1.0.2。相同的安
1 说明 This feature expands the number of read-only applications that can be off-loaded from production databases to an Active Data Guard standby database. Even though an Active Data Guard standby database is open in read-only mode, reporting applicat
安装oracle比较耗时,也比较占空间,卸载比较麻烦,安装过程中如果遇到蓝屏,可能是内存条有问题,推荐虚拟机中安装. 安装完了,先试一把:在开始菜单中找到Oracle - OraDB12Home1中应用程序开发中打开SqlDeveloper
Oracle 12c 建库后，没有 scott 模式，本篇使用手工脚本方式，在12c版本中创建 scott 模式及相关表。 目录 1. PDB中创建用户 2. PDB中用户授权 3. PDB中创建表空间 4. PDB中设置用户默认表空间 5. 运行脚本文件 6. 设置TNSNAMES.ora 7. 连接测试验证数据 1. PDB中创建用户 [oracl
33、choose four Which four statements are true about the components of the Oracle Scheduler? A) A program and schedule can be specified as part of a job definition. B) A job may get started automatically when a window opens. C) A scheduler job can point to
31、choose one You want to create a test database as a replica of your production database with minimum intervention from a DBA. Which method would you use? A) Use DBCA to create a template from the existing database to contain the database structure with
概述 ALTER TABLE ... MOVE PARTITION becomes non-blocking online DDL while DML operations continue to run uninterrupted on the partition that is being moved. Global indexes are maintained during the move partition, so a manual index rebuild is no longer r
安装好oracle 12c后，通过工具PLSQL Developer连接报如下错误: 解决办法,添加红色部分:[oracle@localhost admin]$ more sqlnet.ora # sqlnet.ora Network Configuration File: /u01/app/oracle/product/12.2.0.1/db_1/network/admin/sqlnet.ora# Generated by Oracle configura
概念 REDEF_TABLE is a new procedure in the DBMS_REDEFINITION package which allows a one-step operation to easily redefine a table or partition under the following specific set of conditions: REDEF_TABLE是DBMS_REDEFINITION包中的一个新程序，它允许one-step操
choose one Which users are created and can be used for database and host management of your DBaaS database servers? A) cloud and oracle users B) root, oracle and cloud users C) root and oracle users D) opc and oracle users E) root, opc and oracle users An
参考文档：How do you apply a Patchset,PSU or CPU in a Data Guard Physical Standby configuration (文档 ID 278641.1)------------------------------------------------------------------------------------------------------1. Disable REDO transport on Primary.---------
