Can I put SQL statements in nodes?

Short keywords are fine, such as "GROUP BY and HAVING". Full statements contain parentheses and quotes that break mind map parsing, so keep them in your notes.

Can I draw the ER diagram for my project here too?

Yes. The library has ER diagram templates for course enrollment and library systems; change the entities and fields.

Can I switch away from the hand-drawn look?

Yes. Pick any theme above the preview; the content stays the same.

Diagramate

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Mind map

Database systems concepts mind map template

A database systems mind map covering the relational model, SQL, database design, normalization, transactions and concurrency, and indexing. Use it for course review, a design project or interview prep, then export PNG, SVG, Word or PowerPoint free.

Previewed in the “Paper” theme; you can switch themes in the editor

When to use it

Use it to review an introductory database course, or before a design project to see how design, normalization and SQL follow one another. The transaction and indexing branches also cover what backend interviews ask.

Make it yours

Split "Queries and joins" into inner joins, outer joins, subqueries and aggregation.
If your course covers recovery, add a Recovery branch after Transactions and concurrency.
For a project, replace the root with your system name and the branches with the deliverable of each design stage.

Mermaid code

database-principles-mindmap.mmd

mindmap
  root((Database systems))
    Relational model
      Relations and keys
      Relational algebra
      Integrity constraints
    SQL
      Data definition
      Queries and joins
      Views and permissions
    Database design
      Requirements
      ER modeling
      Logical and physical design
    Normalization
      Functional dependencies
      First to third normal form
      Boyce-Codd normal form
    Transactions and concurrency
      ACID properties
      Locking
      Isolation levels
    Indexing and optimization
      B+ tree indexes
      Query plans

Ask an AI for one with this structure

Send the prompt below to ChatGPT or Claude, then paste the whole reply into the editor; the code inside is detected automatically.

prompt.txt

Draw a database systems mind map with Mermaid mindmap syntax. The root is Database systems, and the main branches are Relational model, SQL, Database design, Normalization, Transactions and concurrency, and Indexing and optimization, each with two or three concepts. Put every node on its own line, show levels with space indentation, and do not use list markers or arrows. Output only the mermaid code block.

FAQ

Can I put SQL statements in nodes?: Short keywords are fine, such as "GROUP BY and HAVING". Full statements contain parentheses and quotes that break mind map parsing, so keep them in your notes.
Can I draw the ER diagram for my project here too?: Yes. The library has ER diagram templates for course enrollment and library systems; change the entities and fields.
Can I switch away from the hand-drawn look?: Yes. Pick any theme above the preview; the content stays the same.

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Updated 2026-11-11