⚡ MQZZ.DB Launch: Free 5 GB PostgreSQL 16 allocation now available with SSL & instant connection strings! Claim yours →
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MQZZ.DB
Engineering Journal

The MQZZ.DB Engineering Blog

Deep dives into database internals, query optimization, and backend architectures.

DATABASE INTERNALS • 6 MIN READ

How We Guarantee Hard Isolation in Multi-Tenant PostgreSQL Clusters

Logical database multi-tenancy can easily lead to privilege leaks if not architected with precision. Here is how MQZZ.DB configures role privileges, schema ownership, and connection limits.

By Chief Architect • Nov 2026
OPTIMIZATION • 8 MIN READ

Maximizing Query Performance on PostgreSQL 16: Indexing Strategies

Learn how to leverage B-tree, GIN for JSONB, and BRIN indexes for massive time-series tables while conserving your 5 GB database storage allocation.

By Database Performance Lead • Nov 2026