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Integrate Your App with SQL, Without the Slow Queries

DatabaseIntegrate is an independent reference for developers connecting applications to relational databases: build the connection string, write queries that stay fast, choose the right indexes and keep the data valid.

Read the SQL optimization guide Build a connection string

The integration checklist

Four things to get right when an application talks to a database – each with a guide or tool.

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1. Connect correctly

Correct host, port, driver options and SSL settings for MySQL, PostgreSQL, SQL Server, Oracle, MongoDB, Redis, SQLite and MariaDB.

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2. Write fast queries

Measure with EXPLAIN ANALYZE, avoid N+1 queries, SELECT *, and functions on indexed columns.

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3. Index deliberately

Composite, partial and covering indexes – and the write cost of having too many.

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4. Keep data valid

Constraints, transactions and validation layers that stop bad data at the door.

Browser-based developer tools

They run locally in your browser. Use placeholders instead of real production passwords.

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Connection string builder

Generate correctly formatted connection URIs and driver strings for eight common engines.

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Data migration planner

List source and target tables and map fields between two systems before writing transfer code.

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