Global Temporary Table in PostgreSQL
One of the common problems while migrating from Oracle to PostgreSQL is the need of Global Temporary Tables in PostgreSQL (GTT). There is no PostgreSQL equivalent for global temporary tables. Due to this reason, I have originally started the developed of an extension called : PGTT, to reduce the overall efforts involved while migrating from Oracle to PostgreSQL.
Porting Array length from Oracle PLSQL to PostgreSQL PLPGSQL
Migrating Oracle PL/SQL code to PostgreSQL PL/pgSQL requires a deeper understanding of the behavior in both Oracle and PostgreSQL databases. It is not only the syntax but also the behavior that is very important. Else, upon porting the PL/SQL code to PL/pgSQL, we may encounter some strange application behaviors that are difficult to trace. We would like to
CHAR(1) to Boolean transformation while migrating to PostgreSQL
PostgreSQL supports a wide variety of data types when compared to a few commercial databases like Oracle. For performance benefits, it may be wise to choose the optimal data types supported in PostgreSQL, instead of choosing the same ones as the source, while migrating from another database. In this article, we are going to discuss one such case
How difficult is to create a database software like PostgreSQL ?
Recently on twitter, i have seen a poll by Qovery asking how hard is it to create a database like PostgreSQL. With no surprise, people mostly voted it as “Very hard”. However, the word “like” in this question is very ambiguous, as rightly said in one of the comments by Dave Cramer, who is one of the very
pgBackRest – The Best Postgres Backup Tool with a very active community
A reliable backup tool with an ability to perform a point in time recovery (PITR) is a usual enterprise need. Postgres includes a backup tool called pg_basebackup for full backups. It is great for a database of a few hundreds of GBs in size but currently lacks the support for parallel, incremental and differential backups. This makes it
Setting up Streaming Replication in PostgreSQL 13 and Streaming Replication Internals
While migrating to PostgreSQL, some of the users may be curious about the type of replication offered by PostgreSQL. Some might want to know if they have to pay any additional enterprise license in order to achieve this requirement. This is because, a few commercial databases require a customer to take an enteprise license to setup replication. But,