Fundamentals of MySQL
- 9.7
- Programming
- 8 Episodes
- 1 hr 16 minutes
- Framed By : Floyd Lover
EP 7 - Union - Intersect and Except
Step-by-step tutorial shows you how to combine your SQL queries (columns) with UNION, INTERSECT, and EXCEPT!
Queries:
1) Get the combined unique values in 2 columns: SELECT column FROM table1 UNION SELECT column FROM table 2
2) Get the unique values that are present in 2 columns: SELECT column FROM table1 INTERSECT SELECT column FROM table 2
3) Get the values that aren't present in 2 columns: SELECT column FROM table 1 EXCEPT SELECT column FROM table 2
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There are many variations of passages of Lorem Ipsum available, but the majority have suffered alteration in some form, by injected humour, or randomised words which don't look even slightly believable. If you are going to use a passage of Lorem Ipsum, you need to be sure there isn't anything embarrassing hidden in the middle of text.
There are many variations of passages of Lorem Ipsum available, but the majority have suffered alteration in some form, by injected humour, or randomised words which don't look even slightly believable. If you are going to use a passage of Lorem Ipsum, you need to be sure there isn't anything embarrassing hidden in the middle of text.