Skip to main content

Contact

I help teams with database performance, migrations, high availability and disaster recovery, automation, and practical DBA training.

Quick laugh
Don't ask a DBA to help you move furniture. They've been known to drop tables.

How I can help

  • Performance reviews, query tuning, and health checks
  • Backup and restore strategy, HA and DR design
  • Migrations and upgrades across Oracle, SQL Server, MySQL, PostgreSQL
  • Automation, scripts, and hands-on training for teams

Get in touch

The fastest way is email: randynyambi@gmail.com

Or reach me on LinkedIn: linkedin.com/in/randy-n-a-85260183

Send a message

Prefer a form? Fill this out and I’ll reply shortly.

If the form doesn't load, email me at randynyambi@gmail.com.

I read every message and aim to respond within 2 business days.

Your details stay private. I only use your information to reply to your inquiry.

Comments

Post a Comment

Popular posts from this blog

Oracle Database 19c Step by Step Installation On Oracle Linux 7.6

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...
9 comments
Read more

Step by Step Installation of Oracle Database 12c on Solaris 10

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...
3 comments
Read more

How to Delete Old Trace & Dump files with ADRCI

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 ...
1 comment
Read more