Timeline for Is it benefit to create a index key if unique key already exists on the same columns?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 2, 2018 at 13:05 | comment | added | Rick James |
Not quite right -- (bar1, bar2) does not help if you need (bar2); only leftmost works.
|
|
| Mar 15, 2018 at 12:24 | history | answered | Pankaj Kumar | CC BY-SA 3.0 |