Knowledge & Insights

Blogs & Insights

Latest articles from HexaCluster on PostgreSQL, database migration, performance tuning, and database modernization.

Recent Articles

Row-level and Column-level Security - Oracle vs PostgreSQL

Securing sensitive data requires more than just a firewall; let's see how Oracle implements VPD and PostgreSQL implement Row and Column level security

Securing sensitive data requires more than just a firewall; let's see how Oracle implements VPD and PostgreSQL...

Goutham Banala

•Feb 13, 2026

PostgreSQL v19: Password expiration warnings.

Securitypostgresql

This was a long requested server side feature that have been committed recently to PostgreSQL core to inform users that their passwords must be changed before the expiration limit.

This was a long requested server side feature that have been committed recently to PostgreSQL core to inform u...

Gilles Darold

•Feb 12, 2026

Null and Empty String in Oracle vs SQL Server vs PostgreSQL

postgresqlOracleNullsStrings

When you are planning database migrations to PostgreSQL, it is usually the small things that cause the biggest production bugs. One of the most common traps for developers is how different databases handle NULL and empty strings ('').

When you are planning database migrations to PostgreSQL, it is usually the small things that cause the biggest...

Akhil Reddy Banappagari

•Feb 02, 2026

Migrating Sybase ASE aka SAP ASE to PostgreSQL

postgresqlSybaseSAP ASEHexaRocket

Legacy Sybase ASE/SAP ASE databases are still powering mission-critical OLTP workloads, but modernization pressure keeps rising. Witness the differences between SAP ASE and PostgreSQL, and the migration path to PostgreSQL.

Legacy Sybase ASE/SAP ASE databases are still powering mission-critical OLTP workloads, but modernization pres...

Avinash Vallarapu

•Jan 28, 2026

Send Emails like Oracle UTL_SMTP using pg_utl_smtp for PostgreSQL

postgres_extensionspostgresqlOracle Compatibility

As part of its automated migration solution, HexaRocket, to simplify Enterprise-grade Oracle to PostgreSQL database migrations, HexaCluster is pleased to announce pg_utl_smpt PostgreSQL extension to create Oracle UTL_SMTP compatibility.

As part of its automated migration solution, HexaRocket, to simplify Enterprise-grade Oracle to PostgreSQL dat...

Avinash Vallarapu&Gilles Darold

•Jan 22, 2026

The DATE Data Type in Oracle vs. PostgreSQL

OraclepostgresqlDatabase Migration

Choosing a correct datatype mapping while migrating from Oracle to PostgreSQL is very important to avoid migration failures. Especially when we have date and time involved, it is very important to understand the behavior in both Oracle and PostgreSQL

Choosing a correct datatype mapping while migrating from Oracle to PostgreSQL is very important to avoid migra...

Akhil Reddy Banappagari

•Jan 19, 2026

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Blogs & Insights

Recent Articles

Row-level and Column-level Security - Oracle vs PostgreSQL

PostgreSQL v19: Password expiration warnings.

Null and Empty String in Oracle vs SQL Server vs PostgreSQL

Migrating Sybase ASE aka SAP ASE to PostgreSQL

Send Emails like Oracle UTL_SMTP using pg_utl_smtp for PostgreSQL

The DATE Data Type in Oracle vs. PostgreSQL

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