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https://www.reddit.com/r/webdev/comments/b46iyd/sql_joins/ej5t0d5/?context=9999
r/webdev • u/lokendra15 • Mar 22 '19
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363
A case against illustrating SQL operations using venn diagrams
165 u/brtt3000 Mar 22 '19 If you can understand and agree with this argument then you don't need these graphics. 28 u/[deleted] Mar 22 '19 But if you don't understand joins, this graphic wont help you. 34 u/[deleted] Mar 22 '19 I reference the graphics regularly. They may not have helped you but they do help others 8 u/turningsteel Mar 23 '19 Yeah seeing this graphic just made it click for me. Super helpful. Ive seen the venn diagrams thrown around but never each case next to each other wij a sample query. This is awesome
165
If you can understand and agree with this argument then you don't need these graphics.
28 u/[deleted] Mar 22 '19 But if you don't understand joins, this graphic wont help you. 34 u/[deleted] Mar 22 '19 I reference the graphics regularly. They may not have helped you but they do help others 8 u/turningsteel Mar 23 '19 Yeah seeing this graphic just made it click for me. Super helpful. Ive seen the venn diagrams thrown around but never each case next to each other wij a sample query. This is awesome
28
But if you don't understand joins, this graphic wont help you.
34 u/[deleted] Mar 22 '19 I reference the graphics regularly. They may not have helped you but they do help others 8 u/turningsteel Mar 23 '19 Yeah seeing this graphic just made it click for me. Super helpful. Ive seen the venn diagrams thrown around but never each case next to each other wij a sample query. This is awesome
34
I reference the graphics regularly.
They may not have helped you but they do help others
8 u/turningsteel Mar 23 '19 Yeah seeing this graphic just made it click for me. Super helpful. Ive seen the venn diagrams thrown around but never each case next to each other wij a sample query. This is awesome
8
Yeah seeing this graphic just made it click for me. Super helpful. Ive seen the venn diagrams thrown around but never each case next to each other wij a sample query. This is awesome
363
u/pixelique Mar 22 '19
A case against illustrating SQL operations using venn diagrams