Tag: foreign key

Visualizing Data Flow and Conceptual Schemas in SQL Database Management

Constraints, JSON, MySQL

Short Summary: Modern database management requires moving beyond flat table views to understand...
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A Simple Use Case for Indexes on Primary Keys

Database administration, Database development, Indexes, Performance Tuning, SQL Server • 3 Comments

Introduction Recently we encountered an interesting performance problem on one of our SQL Server databases that process transactions at a...
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How to Create a Table with Multiple Foreign Keys and Not Get Confused

Constraints, Database development, Tables

Understanding Table Relations SQL server adds foreign keys to implement relations between tables in a relational database. A table can have...
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SQL FOREIGN KEY CONSTRAINT: The Ultimate, Easy Guide for Newbies

Constraints, Database development

Newbie? Then an SQL foreign key may be foreign to you. You may have heard different opinions about...
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