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I remotely install the OracleDB12c database to a server in the private cloud through an SSH client. The operating system of this server is 64-bit oraclew.iselinux6.5, I remotely install the Oracle DB 12c database to a server in the private cloud

1. read data from memory in microseconds. Read data from a disk in milliseconds. They differ by an order of magnitude. So to optimize the database, the first thing we need to do is to optimize I 1. read data from memory in microseconds. Read data

Prompt ldquo during Oracle storage; insufficient permissions rdquo; Solution Prompt ldquo during Oracle storage; insufficient permissions rdquo; Solution We know that the role permissions of users are not available in the stored procedure. For

ORA-01034: ORACLEnotavailable A ORA-01034: ORACLE not available RROR:A ORA-01034: Oracle not availableORA-27101: shared memory realm does not existLinux-x86_64 Error: 2: No such file or directoryProcess ID: 0Session ID: 0 Serial number: 0 I

The INNODB Engine stores indexes and data in the same file. Resource contention still exists between indexes and data, which is not conducive to performance improvement. Of course, you can use innodb_data _ The INNODB Engine stores indexes and data

First, download the database you need to install. Second, configure your yum source. If it is CentOS, you do not need to configure the yum source. Third, download the mysql-xxx.tar file and First, download the database you need to install. Second,

SHUTDOWN: waitingforactivecallstocomplete processing. A latchfree problem occurs. kill the current session and report that the session sid does not exist. SHUTDOWN: waiting for active callto complete processing. A latch free problem occurs. kill the

Install Oracle10gR2 in CentOS6.3 (x86_64) Install Oracle 10g R2 in CentOS 6.3 (x86_64) Contents I. Hardware requirementsIi. SoftwareIii. System Installation notes4. system preparation before Oracle Installation5. install and configure Oracle6.

The Oracle execution plan storage outline corresponds to the SQL statement one by one. Therefore, if we change the predicate condition in the SQL statement, the storage outline will become ineffective or The Oracle execution plan storage outline

In 11g, Oracle introduced a new feature: adaptivecursorsharing adaptive cursor sharing. This feature is mainly used to improve the execution of SQL statements with variable binding. In 11g, Oracle introduced a new feature: adaptive cursor sharing.

In this experiment, we simulate that the oracle11g is in non-archive mode, and there is no backup condition. The log files are restored. Here, all the redo logs are deleted. below is In this experiment, we simulate that oracle 11g is in non-archive

We have published three articles in the first, second, and third articles in one of the basic questions and answers for the Linux interview, which are well received by readers. At the same time, we have received feedback, and some readers hope this

After Oracle11gR2 is installed, you do not need to install Oracleclient. You only need the green version of instantclient, that is, you can use PLSQL to directly connect to Oracle. After Oracle11gR2 is installed, you do not need to install the

In ORACLE, databases are composed of instances and physical storage structures. The physical storage structure refers to the physical files stored on the disk, including datafile and In ORACLE, databases are composed of instances and physical

Customer database down, the connection in the past to see can be normal to the mount status, and then alterdatabaseopen, observe the log prompt: ORA-19809: limitexceeded Customer database down, the connection in the past to see can be normal to the

Process demonstration of switchover Master/Slave database on Oracle10gr2 Demonstration of switch over Master/Slave database process on Oracle 10g r2 The current status is dg1 as the master database, and the slave database is dg2.First check the

Recently, many RHEL5.X platforms have been installed with Oracle10gRAC. Although there is no difficulty, repeated manual work is still relatively large. So by the way, I sorted out a half self Recently, many employees who have installed Oracle 10g

Oracle often used trigger often appears ora-04091 variant table problem, here bring two kinds of processing methods for your reference. Oracle often used trigger often appears ora-04091 variant table problem, here bring two kinds of processing

The biggest problem with ARCH process transmission is that PrimaryDatabase sends logs to StandbyDatabase only when an archive occurs. If PrimaryDatabase is abnormal The biggest problem with using the ARCH process is that the Primary Database sends

Reconfigure OCR and votedisk (11.2.0.1.0) Reconfigure OCR and vote disk (11.2.0.1.0) Reconfigure OCR and vote disk (11.2.0.1.0) 1. format the disk of the disk where the original ocr and vote disk are located.[Root @ pmstest2 ~] # Dd if