RandyDBA | Database - Tips & Techniques

The ADRCI command interpreter has multiple features:- Create a package with incident or problem information for Oracle Support Analyze diagnostic data within the Automatic Diagnostic Repository (ADR) Run health checks In this post, we'll be concentrating on deleting the old diagnostic files with ADRCI. Set your environment and run the ADRCI utility: $ adrci Use the following command to list the ADR homes: adrci> show home ADR Homes: diag/rdbms/db11g/DB11G diag/tnslsnr/sol10/listener Choose the ADR home from the list above: adrci> set home diag/rdbms/db11g/DB11G Check the current retention policy: adrci> show control Check the following columns in the output: LONGP_POLICY:- It is set to 365 days by default. It is responsible for Incidents and Health Monitor warnings. SHORTP_POLICY:- It is set to 30 days by default. It manages the trace and core dump files. Use the following commands to change the retention policy: Specify the time in hours: 10 Days = 240 ...

In this article we will look at Installing Oracle 12C database on Solaris x86 64bit version. This article assumes that you already had Solaris 10 installed on Virtualbox. Preparing System for Installation The first step toward Oracle installation is to perform the pre-installation tasks. Configuring hosts file The first step is to properly name your host machine. The hostname should properly be provided with IP address for installation to continue. Ideally, your /etc/hosts file should look something like this. 192.168.34.47   sol10.cm 127.0.0.1 localhost Kernel Parameters The default installation of Solaris 10 is normally good enough for oracle database installation. You just have to configure one parameter. Use the command below to set the required kernel parameters. Remember that you will have to use the root login to run the commands. # projadd  -K "project.max-shm-memory=(privileged,4G,deny)" user.oracle To confirm that parameter has be...

This post describes the installation of Oracle Database 19c 64-bit on Oracle Linux 7.6  x86-64 bit. The Linux server needs a minimum of 3G swap and secure Linux set to permissive. An example of this type of Linux installation can be seen here . Download Software Download the Oracle software from oracle edelivery . Oracle Installation Prerequisites Automatic Setup Use the "oracle-database-preinstall-19c" package to perform all your prerequisite setup. # yum install -y oracle-database-preinstall-19c If you are using RHEL7 or CentOS7, you can pick up the PRM from the OL7 repository and install it. It will pull the dependencies from your normal repositories. # yum install -y https://yum.oracle.com/repo/OracleLinux/OL7/latest/x86_64/getPackage/oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm Hosts File Set a fully qualified name for the server in the "/etc/hosts" file. < IP-address > < fully-qualified-machine-name > < machin...

Oracle 12C Error Codes, Solutions and Suggestions from ORA 19700 to ORA 20000 ORA-19700: device type exceeds maximum length of string Cause:  The device type indicated is invalid. Action:  Supply a correct device type and retry the allocation. ORA-19701: device name exceeds maximum length of  string Cause:  The device name indicated is invalid. Action:  Supply a correct device name and retry the allocation. ORA-19702: device parameter exceeds maximum length of  string ORA-19703: device command string exceeds maximum length of  string Cause:  The device command string exceeds maximum length. Action:  Correct the command and retry the operation. ORA-19704: file name exceeds maximum length of  string Cause:  The specified file name, which was a parameter to a copy, backup, or restore operation, exceeds the maximum file name length for this operating system. Action:  Retry the operation with a s...