Practical tools for system, network, security, and operations administrators.

OPS

Operations desk

The overlapping desk: incidents, configuration, and the glue between teams. Built for the people who sit between titles.

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SQL Formatter / Beautifier

Live

Format SQL with indentation and consistent keyword casing in the browser.

Open tool

Dev/Test Shutdown Schedule Savings Calculator

Live

Estimate savings from shutting down non-production resources outside business hours.

Open tool

Cloud Cost Estimator

Live

Rough monthly estimate for compute, storage, and network using editable unit rates.

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Data Egress Cost Calculator

Live

Estimate data transfer (egress) costs across common cloud pricing bands.

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SQL Query Explainer

Live

Explain what a SQL query does in plain English. The result stays on this page.

Open tool

SQL JOIN Visualizer

Live

Visualize INNER/LEFT/RIGHT/FULL joins with sample data. The result stays on this page.

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SQL Query Builder

Live

Build SELECT queries from tables and columns visually. The result stays on this page.

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Window Function Builder

Live

Build ROW_NUMBER, RANK, LAG/LEAD, running totals. The result stays on this page.

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SQL Date Function Converter

Live

Equivalent date functions across databases. The result stays on this page.

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Find Duplicates Query Generator

Live

Generate queries to find/delete duplicate rows. The result stays on this page.

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Upsert / MERGE Statement Generator

Live

Generate INSERT ON CONFLICT / MERGE / ON DUPLICATE KEY. The result stays on this page.

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IN List Generator

Live

Turn a column of values into a SQL IN list. The result stays on this page.

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MySQL my.cnf Tuning Calculator

Live

Suggests buffer pool and key settings from RAM and workload. The result stays on this page.

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PostgreSQL Config Tuner

Live

Suggests shared_buffers, work_mem etc. from hardware specs. The result stays on this page.

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SQL Server Max Memory Calculator

Live

Recommends max server memory setting for SQL Server. The result stays on this page.

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SQL Server MAXDOP Calculator

Live

Recommend MAXDOP and cost threshold for parallelism. The result stays on this page.

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InnoDB Buffer Pool Calculator

Live

InnoDB Buffer Pool Calculator. Size innodb_buffer_pool and instances. The result stays on this page.

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mysqldump / pg_dump Command Builder

Live

Builds backup and restore commands with options. The result stays on this page.

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Database Backup Strategy Planner

Live

Plan full/differential/log backups by RPO/RTO. The result stays on this page.

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SQL Server Maintenance Plan Generator

Live

Generate backup/maintenance jobs (Ola Hallengren style). The result stays on this page.

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GRANT Statement Builder

Live

Build GRANT/REVOKE statements per engine. The result stays on this page.

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pg_hba.conf Generator

Live

Generate PostgreSQL client authentication rules. The result stays on this page.

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CSV to SQL INSERT Generator

Live

Converts CSV data into INSERT statements. The result stays on this page.

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JSON to SQL INSERT Generator

Live

Convert JSON arrays into INSERT statements. The result stays on this page.

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Guides

Pillar guides for this desk. Published supporting pages are linked from the pillar they belong to.

Schema Design & Modeling

Performance & Indexing

Replication & High Availability

Database Security & Access

Data Import, Export & Conversion

Connections & Client Tools

Capacity, Sizing & Licensing

Monitoring & Diagnostics

Migration & Upgrades

NoSQL & Specialized Databases

Developer & ORM Utilities

AI, Vector & Analytics Databases

SQL Learning & Reference

Compute & Instance Selection

Cloud Networking

Storage & CDN

IAM & Governance

Serverless & Event-Driven

Containers & Docker

Kubernetes Operations

Infrastructure as Code

CI/CD, Git & GitOps

Observability & Reliability

Cloud Security Posture

Migration & Architecture

Multi-Cloud CLI & Reference

Docker & Compose Guides

Kubernetes Resource Guides