Valerie Parham-Thompson

With experience as an open-source DBA and developer for software-as-a-service environments, Valerie has expertise in web-scale data storage and data delivery, including MySQL, Cassandra, Postgres, and MongoDB.

Database

Postgres Covering Indexes and the Visibility Map

Covering indexes in Postgres came up in our weekly tech call because of a query optimization review one of the teams ...

Analytics

Spark + Cassandra Best Practices

Spark Overview

Spark was created in 2009 as a response to difficulties with map-reduce in Hadoop, particularly ...

MySQL

Using gh-ost for online schema changes

The pt-online-schema-change tool has been a workhorse for years, allowing MySQL DBAs to alter tables ...

Database

Postgres Security Patches Related to the Search Path

There were some security patches released this month for Postgres, to put further restrictions on pathways that ...

Database

PostgreSQL Backups

There are at least four ways to back up a Postgres database: SQL dump, filesystem snapshots, continuous archiving, and ...

Analytics

Using the MariaDB CONNECT engine to merge heterogeneous data sources

Background

Upgrading a Large Cassandra Cluster with cstar

I recently did an upgrade of 200+ nodes of Cassandra across multiple environments sitting behind multiple applications ...

Database

Postgres partial indexes on email address domains

When I first heard of Postgres partial indexes, I knew immediately that this would have solved a problem I had in MySQL ...

MySQL

Data encryption at rest

This blog post was co-authored by Peter Sylvester and Valerie Parham-Thompson Introduced in version 10.1.3 ...

MySQL

Authenticating Vault against LDAP for accessing MySQL through ProxySQL

Earlier this year, I was presented with the challenge of streamlining user access to ...

Cassandra

Cassandra information using nodetool

Cassandra nodetool provides several types of commands to manage your Cassandra ...

MySQL

Data encryption at rest in Oracle MySQL 5.7

Cassandra

Lightweight transactions in Cassandra

Cassandra support for transactions

Unlike commonly used relational database platforms, ...

Cassandra

Cassandra backups using nodetool

Cassandra nodetool provides several types of commands to manage your Cassandra cluster. See my previous posts for an

MySQL

Duplicate indexes in MySQL

Why do we sometimes want to keep ...

Oracle

Migrating Oracle Workloads to Google Cloud - BMS

In these challenging and ever-changing times, most organizations would welcome the ...

MySQL

Detecting source of MySQL Queries with comments

Background

As a MySQL DBA I already know the ...

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Using Multi-Agent Reasoning for NLP-to-SQL

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Becky's BI Apps Corner: OBIA 11.1.1.10.2

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Valerie Parham-Thompson

Posts by Valerie Parham-Thompson

Postgres Covering Indexes and the Visibility Map

Spark + Cassandra Best Practices

Spark Overview

Using gh-ost for online schema changes

Postgres Security Patches Related to the Search Path

PostgreSQL Backups

Using the MariaDB CONNECT engine to merge heterogeneous data sources

Background

Upgrading a Large Cassandra Cluster with cstar

Postgres partial indexes on email address domains

Data encryption at rest

Authenticating Vault against LDAP for accessing MySQL through ProxySQL

Cassandra information using nodetool

Data encryption at rest in Oracle MySQL 5.7

Lightweight transactions in Cassandra

Cassandra support for transactions

Cassandra backups using nodetool

Duplicate indexes in MySQL

Why do we sometimes want to keep ...

Migrating Oracle Workloads to Google Cloud - BMS

Detecting source of MySQL Queries with comments

Background

Recent news

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