Introduction TimescaleDB is a “time-series” database (TSDB). This kind of databases are optimized for storing, manipulating and querying time-series data. But… what is time-series data ?Time-series data is a collection of metrics (regular) or measurements (irregular) that are tracked over time. In other words, time-series data is data that collectively represents how a system, process, or behavior changes over time.…
By Mouhamadou Diaw I was looking for a build-in function to get the hostname of the server hosting my PostgreSQL cluster. But seems that there is no build-in function. Looking in the extensions, I find the extension hostname which can allow to get the database server host name. In this this blog I am explaining how to install and how…
By Mouhamadou Diaw In this blog we are going to talk about a nice extension in PostgreSQL: temporal_tables. This extension provides support for temporal tables. What is a temporal table? Just a table that tracks the period of validity of a row. When implemented, this feature allows you to specify that old rows are archived into another table (that is…
LOBs (Large OBjects) first appeared in Oracle 7 and were created to store large amount of data such as document files, video, pictures, etc. Today, we can store up to 128 TB of data in a LOB, depending on the DB_BLOCK_SIZE parameter settings. In this posting, I will show you how to load LOB files into the Oracle database and…
