一、以sysdba身份登录Oracle系统 sqlplus conn/ as sysdba 二、关闭数据库，停止数据库服务 SQL>shutdown immediate; 三、启动Oracle例程 SQL> startup mount; Total System Global Area 612****84 bytes Fixed Size 125****52 bytes Variable Size 176****92 bytes Database Buffers 432****12 bytes Redo Buffers 294****28 bytes 数据库装载完毕。 四、更改系统状态 SQL...
系统是centos7.9 1.安装docker yum -y install dockersystemctl start dockersystemctl restart docker.service 2.拉取镜像 nohup docker pull registry.cn-hangzhou.aliyuncs.com/lhrbest/oracle19clhr_asm_db_12.2.0.3:2.0 &docker images 3.创建容器并运行 docker run -itd -h lhr2019ocpasm --name 19c01 \-p 1555:1521 -p 5555:5500 -p 55550:5501 -p 555:22 -p 3400:3389 \--privileged=true \lhrbest/oracle19clhr_asm_db_1...
Oracle OCP 19c 认证1Z0-083考试题库(第10题)-CUUG整理 10、Choose three. Which three actions are performed by the Oracle Preinstallation RPM, oracle-database-server-xxxx-preinstall, for Oracle Grid Infrastructure, where xxxx is the Oracle version and release? A. performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met B. creating the oracle OS user C. crea...
Oracle OCP 19c 认证1Z0-083考试题库(第8题)-CUUG整理 8、Examine the statements that use flashback technologies:FLASHBACK TABLE customers TO TIMESTAMP TO_TIMESTAMP(2013-02-04 09:30:00, YYYY-MM-DD HH:MI:SS);SELECT * FROM customers AS OF SCN 123456;FLASHBACK TABLE customers TO BEFORE DROP;FLASHBACK DATABASE TO TIMESTAMP TO_TIMESTAMP(2013-02-04 09:30:00, YYYY-MM-DD HH:MI:SS);SELECT * FROM customers VERS...
Oracle OCP 19c 认证1Z0-083考试题库(第6题)-CUUG整理 6、Which two are prerequisites for performing Flashback Transaction? A) Fast Recovery Area must be enabled for the database. B) The EXECUTE privilege must be granted to a user on the DBMS_FLASHBACK package. C) Undo retention guarantee must be configured for the database. D) A supplemental log must be enabled for the primary key. E) Row movement mu...
Oracle OCP 19c 认证1Z0-083考试题库（第5题）-CUUG整理 5、Which three are true about requirements for various FLASHBACK operations? (Choose three.) A. FLASHBACK transaction query requires undo to retrieve all versions of a row that existed between two points in time. B. FLASHBACK drop requires that the RECYCLEBIN parameter be set to ON. C. FLASHBACK version query requires that the RECYCLEBIN paramet...
Oracle OCP 19c 认证1Z0-083考试题库（第4题）-CUUG整理 4、For which two requirements can you use the USER_TABLESPACE clause with the CREATE PLUGGABLE DATABASE command? (Choose two.) A. to specify a default tablespace in a PDB cloned from another PDB in the same CDB. B. to exclude all tablespaces except SYSTEM, SYSAUX, and TEMP when plugging in a PDB C. to include specific user tablespaces only when ...
Oracle OCP 19c 认证1Z0-083考试题库（第2题）-CUUG内部学员版083题库 2、Choose three. In which three situations can you use threshold server-generated alerts to help diagnose and fix problems? A) when free space in a dictionary managed tablespace falls below a specified percentage B) when free space in a locally managed tablespace falls below a specified percentage C) when the total number of locked ...
Oracle OCP 19c 认证1Z0-083考试题库（第1题）-由CUUG整理 1.Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.) A. All metrics are instance related. B. Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY. C. A space usage management alert is automatically cleared after the underlying problem is resolved. D. They are generated by SMON when a tab...
Oracle OCP 19c 认证1Z0-082考试题库(第6题)-CUUG整理 You have been tasked to create a table for a banking application. One of the columns must meet three requirements: Be stored in a format supporting date arithmetic without using conversion functions Store a loan period of up to 10 years Be used for calculating interest for the number of days the loan remains unpaid Which data type should you use? ...
Oracle OCP 19c 认证1Z0-082考试题库（第5题）-CUUG收集整理 5.A database is configured to use automatic undo management with temporary undo enabled. An UPDATE is executed on a temporary table. Where is the UNDO stored? A. in the undo tablespace B. in the SYSAUX tablespace C. in the SGA D. in the PGA E. in the temporary tablespace
oracle版本迭代更新 10g,11g,12c,18c,19c?时间：2021年2月20日?官网截图 ??看清楚官网上各各大版本下的稳定版本顺序，方便对照自己oracle版本针对分析?区别： Oracle 10g是第一个为网络计算设计的数据库管理系统； Oracle 11g合并和扩展了Oracle特有的功能以实现网格计算的优势，将数据中心从分散的系统资源孤岛转换为包含服务器和存储的共享池； Oracle 12c是为云计算设计的。之后的版本也是云设计了。 说人话就是： 10g和11g的...
这篇常见文件是官方手册关于cdb/pdb 问题常见描述 Oracle 12c Multitenant: Frequently Asked QuestionsIn this Document Purpose Questions and Answers ? General CDB / PDB Concept in? 12c Multitenant Architecture What is a pluggable database (PDB) in Multitenant Architecture? Why would I consider using the Multitenant option ? What other benefits will I get from Multitenant option ? How easy ...
Oracle 12c CDB、PDBs创建 一、 计划多租户环境 准备足够的内存，磁盘空间；需要考虑的问题包括如下 16 个方面： 1. PDB 数量 (max 253) 与空间计划 2. 后台进程数量（ processes 参数）： PDB+CDB 用户 3. DB_NAME ， global db name 4. Spfile 为 CDB 和 PDB 共用， pdb 可单独设置参数，操作 spfile 必须在 root 5. 字符集为 CDB 和 PDB 共用，推荐 al32utf8/al16utf16( 国家字符集 ) 6....
1.系统安装： 安装Centos7.4 桌面版本，注意，swap分区要是内存的2倍2.系统安装完成后#安装工具包 yum install -y vim wget net-tools unzip zip#安装依赖 yum -y install binutils compat-libcap1 compat-libstdc++-33 compat-libstdc++-33*i686 compat-libstdc++-33*.devel compat-libstdc++-33 compat-libstdc++-33*.devel gcc gcc-c++ glibc glibc*.i686 glibc-devel glibc-devel*.i686 ksh libaio libaio*.i686 libaio-devel...