WordPress Database: What's behind those 12 tables
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Take a deep look at the WordPress database and fall in love with her.
WordPress Database: What's behind those 12 tables
- 1. WordPress Database: What’s behind those 12 tables? Mauricio Gelves | @maugelves
- 2. Do you know this Masterpiece?
- 6. A love story
- 8. Set of columns Data types Indexes The table anatomy
- 9. Table rows
- 10. I’m Rebel!
- 11. Normalization
- 12. Process to avoid: • Data redundancy • Unnecessary updates • Data integrity problems
- 16. Process to avoid: • Data redundancy • Unnecessary updates • Data integrity problems
- 19. WordPress code of conduct: No political jokes are allowed
- 20. UPDATE tbl_students SET president = '<new president name>' WHERE president = 'Prokopis Pavlopoulos' On every change:
- 21. Process to avoid: • Data redundancy • Unnecessary updates • Data integrity problems
- 29. Why WordPress powers 27% of all websites?
- 30. SHE’S FLEXIBLE
- 31. KEY => VALUE
- 33. wp_posts
- 34. Where’s the rest of the information?
- 35. Meta Tables wp_posts => wp_postmeta wp_users => wp_usermeta wp_comments => wp_commentmeta wp_terms => wp_termmeta
- 38. SHE ’S ORGANIZED
- 40. SHE’S ADAPTABLE
- 41. Taxonomies
- 43. Es muy fácil comunicarse con ella: Diapositiva: una mujer con un teléfono It’s easy to talk to her
- 45. Query structure: Which column/s? Which table/s? Should we filter the search?
- 46. Do we have to know SQL to work with WordPress?
- 49. What if we need Meta values?
- 51. and for more complex searches?
- 52. WP_Query
- 56. CUSTOM TABLES How and why?
- 57. Why Custom Tables?: • Efficiency (Inner joins) • Efficiency (calculated fields) • Space (uncompleted fields) • Data security
- 58. How to create a Custom Tables?: • Create it on plugin/theme activation
- 60. How to create a Custom Tables?: • Create it on plugin/theme activation • UI implementation with WP_List class
- 63. Because of this and more I’m in love with the WordPress database.
- 64. Thank you! Mauricio Gelves @maugelves - maugelves.com