Oracle to PostgreSQL

Migration Management and schema version control in PostgreSQL

Version control of any code is essential for every organization. All organizations use their own preferred tools like git, svn, perforce etc. As I was working on a new requirement, which is about porting the current CI/CD pipeline to PostgreSQL, I needed to look for a tool which will take care of the schema changes. In this use …

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Stored Procedure OUT Parameters in PostgreSQL 14

PostgreSQL global development group generally announces a new release every year, with several new features. With an increase in the number of contributions and contributors, the new version PostgreSQL 14 released on September 30th, 2021, with several important features.  As a developer and a database migration expert, I am happy to say that there are several developer friendly …

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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 …

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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 …

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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, …

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Role of Foreign Data Wrappers in Migrations to PostgreSQL

Millions of databases are being migrated to PostgreSQL today. This is because of the liberal PostgreSQL license in particular that invited more contributions to PostgreSQL and eventually made it Enterprise Grade. I have presented and also blogged about some of the rich enterprise features as following, those are otherwise available for an additional cost with some commercial databases. …

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