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How to document database and make it more manageable
- 1. How to document database to make it more manageable Piotr Kononow Founder @ Dataedo https://dataedo.com
- 4. Challenge 1 Where can I find this data? https://dataedo.com
- 5. Solution 1. Provide meaningful aliases 2. Search documentation/data catalog 3. Group objects into modules https://dataedo.com
- 6. Challenge 2 What are all those tables? https://dataedo.com
- 8. Challenge 3 What is this table for? https://dataedo.com
- 9. Solution 1. Add meaningful title/alias 2. Assign module 3. Assign owner https://dataedo.com
- 10. Challenge 4 What does this table hold? https://dataedo.com
- 11. Challenge 4 What does this table hold? https://dataedo.com
- 13. Challenge 5 Is this table still being used? https://dataedo.com
- 15. Challenge 6 Who created this table? https://dataedo.com
- 17. Challenge 7 Which columns should I care about? https://dataedo.com
- 19. Challenge 8 Where this data came from? https://dataedo.com
- 21. Challenge 9 How to calculate this value? 1. Invoice amount – net_amount + tax 2. Order quantity? – Quantity ordered – Quantity cancelled – Quantity shipped – Quantity received 3. Order number (FK/19/01044/D)? https://dataedo.com
- 22. Solution Add manual (virtual) column with calculation https://dataedo.com
- 23. Challenge 10 What does ‘A’ value represent? https://dataedo.com
- 24. Solution List values with meaning in a description field https://dataedo.com
- 25. Challenge 11 Is there a lookup table? https://dataedo.com
- 27. Challenge 12 How to join tables? https://dataedo.com
- 31. Challenge 13 What objects are used by this app? https://dataedo.com
- 32. Solution Create modules and assign objects https://dataedo.com
- 34. Challenge 14 Can I reuse this view? 1. What does it return? 2. What is it used for? https://dataedo.com
- 35. Solution 1. Provide descriptions 2. Assign module to indicate use – old and new 3. Assign owner 4. Indicate uniqueness with manual keys (PK/UK) https://dataedo.com
- 36. Challenge 15 Can modify this view? 1. What is it used for? 2. Who is the owner? https://dataedo.com
- 37. Solution 1. Provide descriptions 2. Assign module to indicate use 3. Assign owner 4. Update documentation https://dataedo.com
- 38. And there are many more challenges… https://dataedo.com
- 39. How to get started https://dataedo.com
- 40. How to get started 1. Install Dataedo 2. Create repository 3. Import 4. Document 5. Share https://dataedo.com
- 41. Document a database • Descriptions, titles and additional fields • Unique/primary keys • Foreign keys/relationships • Modules • ER diagrams
- 44. Thank you! Piotr Kononow Founder @ Dataedo https://dataedo.com