Qisthi Ramadhani Tag: database
All posts with tag "database".
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Pg Trgm Trigram Similarity Vs Ilike Laravel: Postgresql Performance Guide
Standard B-tree indexes cannot optimize partial substring searches (e.g., `WHERE name ILIKE '%john%'`), forcing PostgreSQL to perform a full sequential tab...
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Row Level Security Rls Bypass Laravel: Postgresql Performance Guide
PostgreSQL Row-Level Security (RLS) acts as a database-tier safeguard, ensuring queries only return rows a user is authorized to see regardless of applicat...
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Slow Query Debugging Explain Analyze: Postgresql Performance Guide
EXPLAIN ANALYZE is PostgreSQL's most powerful diagnostic tool for understanding query execution. Unlike EXPLAIN alone (which shows the planner's estimated...
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Table Partitioning Large Laravel Apps: Postgresql Performance Guide
Table partitioning splits a large PostgreSQL table into smaller physical sub-tables (partitions) based on a partition key, while presenting a single logica...
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Eloquent N+1 Query Detection and Automatic Eager Loading: How to Fix
The N+1 query problem occurs when code iterates over a collection of models and accesses a relationship on each one, triggering a separate SQL query per mo...
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Laravel Queue Deadlock with Redis vs Database Driver: How to Fix
Queue deadlocks in Laravel occur when queued jobs compete for the same resources — either at the queue broker level (Redis connection exhaustion, database...
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Laravel Race Condition in Cache and Database Locks: How to Fix
Race conditions occur when multiple processes or requests attempt to read and write the same resource concurrently without proper synchronization. In Larav...
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PgBouncer Connection Pooling: Transaction vs Session Mode Guide
Master PgBouncer connection pooling modes. Compare transaction vs session mode performance for Laravel and PostgreSQL. Avoid common database bottlenecks.
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Laravel Queue Deadlock: Redis vs Database Driver (SQLSTATE 40001)
Resolve Laravel queue deadlocks (Serialization failure: 1213). Compare Redis vs Database drivers, locking mechanisms, and the SKIP LOCKED fix for PostgreSQL and MySQL.
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Laravel Race Condition Fix: Cache::lock vs Database Locks
Master Laravel race condition fixes by comparing distributed Cache::lock with pessimistic database locking (lockForUpdate). Code examples and use cases.