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Database & SQL

This page brings together practical insights for teams working with relational databases, data-intensive applications, and backend systems that depend on reliable query performance. You’ll find content on schema design, indexing strategies, query tuning, normalization, data security, and the patterns engineering teams use when scaling MySQL, PostgreSQL, SQL Server, Oracle, and other enterprise-grade platforms. Whether you're optimizing an existing database, planning a migration, or building a new data layer from scratch, the articles and examples here help you make informed architectural decisions.

As you explore these resources, you’ll get clarity on what strong database engineers bring to a project: a deep understanding of data modeling, transaction handling, stored procedures, performance profiling, monitoring practices, and long-term maintainability. And whenever your team needs additional data engineering capacity, you can easily hire Database & SQL developer talent by requesting profiles or scheduling interviews to find the right fit for your project.

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Blog
How to Fix EF Core BinaryData LIKE Queries in SQL Server

How to Fix EF Core BinaryData LIKE Queries in SQL Server

Gaurav J.
Gaurav J. Technical Lead – Web & eCommerce Solutions

Encountering LINQ translation failures when applying the LIKE operator to BinaryData in EF Core? Discover how we diagnosed varbinary(max) conversion limitations and implemented a custom DbFunction translation to enable high-performance text searches within an enterprise ERP architecture.

Blog
Laravel Redis Draft System: Build Auto-Expiring Record Locking

Laravel Redis Draft System: Build Auto-Expiring Record Locking

Hitesh P.
Hitesh P. Sr.Full-Stack Developer & Technical Lead, 14+ Years

Building complex enterprise dashboards requires strict data integrity. Learn how our engineering team solved a critical challenge in Laravel involving multi-section forms, temporary drafts, and lock/unlock states. We share practical architectural patterns to automatically discard uncommitted changes upon tab closure or session expiration without risking database corruption.

Blog
How to Parse PHP Serialized Data in MySQL 5.7 Without Breaking Your Database

How to Parse PHP Serialized Data in MySQL 5.7 Without Breaking Your Database

Hitesh P.
Hitesh P. Sr.Full-Stack Developer & Technical Lead, 14+ Years

During an access control audit for an EdTech portal, our team discovered user permissions stored as raw PHP serialized strings inside a MySQL database. Decoding this directly in SQL is notoriously difficult. Here is how we bypassed MySQL limitations to extract, normalize, and report on this critical access data.

Blog
WordPress Database Optimization: Fix Slow wp_postmeta Queries at Scale

WordPress Database Optimization: Fix Slow wp_postmeta Queries at Scale

Gaurav J.
Gaurav J. Technical Lead – Web & eCommerce Solutions

When a SaaS publishing platform scaled past 100,000 custom post type entries, standard WordPress meta queries caused severe database bottlenecks. Discover how we bypassed wp_postmeta join limitations, evaluated custom database tables versus Elasticsearch, and implemented a highly scalable architecture to restore backend filtering performance and enterprise-grade speed.

Blog
How to Fix SQL Server CREATE LOGIN FROM WINDOWS Errors Across Multiple Active Directory Domains

How to Fix SQL Server CREATE LOGIN FROM WINDOWS Errors Across Multiple Active Directory Domains

Jitendra G.
Jitendra G. Technical Team Lead, 9+ Years

When enterprise mergers create multiple Active Directory domains, dynamic SQL Server login creation often fails. Learn how we diagnosed and resolved a complex cross-domain authentication failure in a PHP enterprise application, ensuring seamless user provisioning across disparate networks while maintaining strict security controls.

Blog
How We Scaled AWS DocumentDB Deletions for 1 Million+ Records Using SQS and Lambda

How We Scaled AWS DocumentDB Deletions for 1 Million+ Records Using SQS and Lambda

Jitendra G.
Jitendra G. Technical Team Lead, 9+ Years

Deleting millions of records from DocumentDB while triggering EventBridge events caused severe ECS resource exhaustion in our enterprise SaaS platform. Loading records into memory resulted in OOM kills and CPU spikes. Discover how decoupling the process with AWS SQS and Lambda provided a scalable architecture.

Blog
How to Fix Aurora MySQL v3 Replication Deadlocks Using AWS VPC Security Groups

How to Fix Aurora MySQL v3 Replication Deadlocks Using AWS VPC Security Groups

Jitendra G.
Jitendra G. Technical Team Lead, 9+ Years

During a recent FinTech platform migration, we encountered an Aurora MySQL v3 administrative deadlock where external replication threads entered a split-brain state. Discover how we bypassed AWS managed-service restrictions and engine-level bugs using network isolation to force-stop the replication safely.

Blog
Vector Databases Explained Simply: The Backbone of Modern AI

Vector Databases Explained Simply: The Backbone of Modern AI

Vipul Mehta
Vipul Mehta Chief Technology Officer (CTO), 30+ Years

Discover how vector databases power modern AI by enabling semantic search, RAG pipelines, recommendation engines, and context-aware applications through high-dimensional vector embeddings.

Blog
How Timestamp Precision Bugs Break Time-Series Database Deduplication

How Timestamp Precision Bugs Break Time-Series Database Deduplication

Gaurav J.
Gaurav J. Technical Lead – Web & eCommerce Solutions

When ingesting real-time FinTech market data from multiple Python pipelines into a time-series database, we encountered a stubborn duplication issue. Despite matching composite keys, deduplication failed. Here is how our engineering team traced the anomaly to a subtle timestamp precision mismatch and secured our streaming pipelines.

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