Skip to content

Technology Quote by Anonymous

“The presence of a column named id in every table is so common that this has become synonymous with a primary key. Programmers learning SQL get the false idea that a primary key always means a column defined in this manner.” quote by Anonymous
Download Open image
““The presence of a column named id in every table is so common that this has become synonymous with a primary key. Programmers learning SQL get the false idea that a primary key always means a column defined in this manner.””

Anonymous

About This Quote

Source Article: Database Design Basics, 2019

Primary keys are often assumed to be a single id column, which is a misconception.

In simple terms: Primary keys aren't always just an id column.

Key Takeaway

Design keys based on data needs.

Themes

databases design misconceptions

Mood

educational analytical

Type

technical instructional

When to use this quote

  • software development
  • data modeling
  • education
  • training

Key Concepts

primary key theory schema planning

Questions to Reflect On

  • When is a composite key better?
  • How does this affect data integrity?
A Different Perspective

Over‑reliance on id can limit flexibility.

3.8 out of 5 (7 ratings)

More by Anonymous

Explore all 162,899 Anonymous quotes

More Technology quotes

Browse all 18,164 Technology quotes