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postgresql

PostgreSQL database system and its SQL dialect

DatabasesSQL CREATE TABLE Regex for ON CONFLICT and AUTOINCREMENT

Learn how to create regex patterns matching all combinations of ON CONFLICT and AUTOINCREMENT clauses in SQL CREATE TABLE statements across different databases.

4 answers• 2 views
DatabasesEmbedded SQL Engines with PostgreSQL Compatibility

Learn how embedded databases like DuckDB and SQLite support PostgreSQL syntax without a full server. Explore implementation approaches and feasibility.

5 answers• 3 views
DatabasesCapturing PostgreSQL RAISE NOTICE Messages During Execution with pyodbc

Learn how to capture RAISE NOTICE messages from PostgreSQL stored procedures during execution using pyodbc, with real-time message handling techniques and code examples.

4 answers• 3 views
DatabasesEAV Model vs PostgreSQL JSONB: Pharmacy Catalog Design

Compare EAV model vs PostgreSQL JSONB for pharmacy e-commerce catalogs. Learn about schema flexibility, query performance, data integrity, and validation frameworks.

3 answers• 4 views
DatabasesPostgreSQL Case Insensitive Queries with ILIKE

Learn how to make PostgreSQL queries case-insensitive using ILIKE operator, LOWER/UPPER functions, citext extension, and indexing for optimal performance. Ensure 'administrator', 'ADMINISTRATOR', and 'Administrator' return identical results.

1 answer• 4 views
DatabasesFix PostgreSQL 'Could Not Connect to Server' on macOS Homebrew

Resolve PostgreSQL 'could not connect to server: No such file or directory' error on macOS Mountain Lion with Homebrew 0.9.3. Fix stale PID, sockets (/tmp/.s.PGSQL.5432, /var/pgsql_socket), launchctl, and Rails rake db:migrate issues step-by-step.

1 answer• 4 views
DatabasesWhy PostgreSQL INSERT Slow on Empty Tables with FKs

PostgreSQL INSERTs slow on empty tables with foreign keys due to planner stats (reltuples=0) causing seq scans. Seeding 1 row or ON CONFLICT fixes it. Best practices for bulk inserts, ANALYZE, libpq sync.

1 answer• 4 views
DatabasesCreate PostgreSQL Read-Only User with SELECT Permissions

Learn how to create a PostgreSQL read-only user with proper SELECT permissions on specific databases while restricting all other privileges for enhanced security.

1 answer• 3 views
DatabasesQuickest Way to Copy PostgreSQL DB from Prod to Dev

Learn the fastest methods to copy a PostgreSQL database from production to development using pg_dump, pg_restore piping, pg_basebackup, and pgcopydb. Step-by-step guides, best practices for speed, security, and automation.

1 answer• 7 views
DatabasesLade.io Managed PostgreSQL Hosting: Reliable Review

Explore Lade.io as a managed PostgreSQL hosting provider. Compare reliability, backups, scaling, HA with AWS RDS, Supabase, Render. Real experiences, uptime, performance for production databases.

1 answer• 7 views
DatabasesDjango ManyToManyField Missing Table: Docker Postgres Fix

Fix Django ManyToManyField join table missing in Docker Postgres despite migrations applied. Troubleshoot ProgrammingError, sync django_migrations table, Docker pitfalls, and best practices for reliable migrations.

1 answer• 4 views
DatabasesPostGIS ST_Intersects Precision Issues with Bounding Box Queries

Fix inconsistent PostGIS ST_Intersects results when querying bounding boxes. Learn about floating-point precision issues and solutions for reliable spatial queries.

1 answer• 3 views
DevOpsInstall a Specific Homebrew Formula Version (Postgres)

Install a specific Homebrew formula (e.g., postgresql@8.4.4) via versioned @-formulae or brew extract into a tap. Commands, linking, pinning and troubleshooting.

1 answer• 12 views