Learn how to design a SQL database schema that is efficient, consistent, and scalable. Discover some best practices and tips on normalization, naming, data types, keys, constraints, and performance.

A database schema is a logical structure that defines the tables, columns, keys, indexes, and constraints of a database. It can be derived from a data model by applying some rules and conventions.

SQL history. Before there was SQL, databases had tight, navigational programming interfaces, and typically were designed around a network schema called the CODASYL data model. CODASYL (Committee ...

There's a problem with schemas in SQL2K5 that I encountered again this week, and I put my head to it and developed a very elegant solution that I thought I'd share with everyone. Problem: When you ...

This tutorial starts by examining techniques for adding the necessary schema to the database in order to use the SqlMembershipProvider. Following that, we will examine the key tables in the schema and ...

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