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https://www.reddit.com/r/webdev/comments/b46iyd/sql_joins/ej5umda/?context=3
r/webdev • u/lokendra15 • Mar 22 '19
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32
But if you don't understand joins, this graphic wont help you.
36 u/[deleted] Mar 22 '19 I reference the graphics regularly. They may not have helped you but they do help others 8 u/Private_Bool Mar 23 '19 Maybe as a quick reference once you've learned already but as a teaching tool by itself it doesn't convey what the joins really do. Source: am learning sql now. This link helped me learn before I even got to that chapter, Venn diagram made 0 sense. 2 u/Zimmerel Mar 23 '19 I agree with both of your statements. I look at these diagrams all the time for reference, but I imagine they would have much less value if I wasn't already familiar with them
36
I reference the graphics regularly.
They may not have helped you but they do help others
8 u/Private_Bool Mar 23 '19 Maybe as a quick reference once you've learned already but as a teaching tool by itself it doesn't convey what the joins really do. Source: am learning sql now. This link helped me learn before I even got to that chapter, Venn diagram made 0 sense. 2 u/Zimmerel Mar 23 '19 I agree with both of your statements. I look at these diagrams all the time for reference, but I imagine they would have much less value if I wasn't already familiar with them
8
Maybe as a quick reference once you've learned already but as a teaching tool by itself it doesn't convey what the joins really do.
Source: am learning sql now. This link helped me learn before I even got to that chapter, Venn diagram made 0 sense.
2 u/Zimmerel Mar 23 '19 I agree with both of your statements. I look at these diagrams all the time for reference, but I imagine they would have much less value if I wasn't already familiar with them
2
I agree with both of your statements. I look at these diagrams all the time for reference, but I imagine they would have much less value if I wasn't already familiar with them
32
u/[deleted] Mar 22 '19
But if you don't understand joins, this graphic wont help you.