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175 tutorials
SQL Server
Stored procedures, joins, triggers, views, dates and SSMS how-tos.
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105 tutorials
PostgreSQL
Install, SELECT, joins, dates, VACUUM, backups and PL/pgSQL.
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130 tutorials
MariaDB
Install, create tables and users, JSON functions and everyday queries.
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26 tutorials
Azure SQL
Create, connect, secure, migrate and back up Azure SQL databases.
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64 tutorials
Oracle
Oracle 19c setup, datatypes, users, sequences and stored procedures.
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63 tutorials
MongoDB
Collections, queries, aggregation, indexes and connection errors.
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8 tutorials
MySQL
Install MySQL, create databases, tables and users, datatypes and joins.
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550+ tutorials
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Step-by-Step Database Tutorials by Topic
Each topic starts with one main tutorial, followed by the related lessons readers look for most.
SQL Server
SQL Server Create Stored Procedure (15 Ways)
Write, run and debug stored procedures, from a simple SELECT to parameters and error handling.
SQL Server
SQL Server INNER JOIN
Combine rows from two or more tables and pick the right join for the result you need.
SQL Server
SQL Server Trigger Tutorial with Examples
Run code automatically when rows are inserted, updated or deleted, and keep audit tables in sync.
Azure SQL
What Is Azure SQL?
Create an Azure SQL database, open the firewall, connect to it and move your data to the cloud.
PostgreSQL
How to Download and Install PostgreSQL on Windows
Install PostgreSQL, create your first tables and learn the data types and queries you will use daily.
MariaDB
How to Install MariaDB
Set up MariaDB, create databases and users, and write the SELECT, INSERT and UPDATE queries you need.
Oracle
Oracle 19c Installation on Windows 10
Install Oracle, understand its datatypes and manage users, tables and stored procedures.
MongoDB
How to Install MongoDB
Get MongoDB running, then create collections, update documents and join data across collections.
MySQL
MySQL Tutorial
Learn MySQL from installation to tables, datatypes, users and joins, one short lesson at a time.
Troubleshooting
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Seeing an error message? Find it below for the cause and the exact steps that fix it.
SQL Server
Azure SQL
PostgreSQL, MariaDB & MySQL
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Each database has one author who works with it and runs every query before it’s published.
