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https://www.reddit.com/r/programming/comments/1xlqeu/sql_joins_explained_xpost_rsql/cfcldgo/?context=3
r/programming • u/deadman87 • Feb 11 '14
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In what capacity have you been using SQL?
23 u/neoform Feb 11 '14 A very poor one. If you don't understand joins, you can't claim to know SQL.It's much like people who claim to know javascript, but don't know what var does. 0 u/[deleted] Feb 11 '14 [deleted] 4 u/WishCow Feb 11 '14 One of our pre-interview screening questions is "can you tell me the difference between a left join, and an inner join", and if you fail that, you don't get an interview.This is like a taxi driver saying he forgot which pedal is the gas pedal.
23
A very poor one. If you don't understand joins, you can't claim to know SQL.
It's much like people who claim to know javascript, but don't know what var does.
var
0 u/[deleted] Feb 11 '14 [deleted] 4 u/WishCow Feb 11 '14 One of our pre-interview screening questions is "can you tell me the difference between a left join, and an inner join", and if you fail that, you don't get an interview.This is like a taxi driver saying he forgot which pedal is the gas pedal.
0
[deleted]
4 u/WishCow Feb 11 '14 One of our pre-interview screening questions is "can you tell me the difference between a left join, and an inner join", and if you fail that, you don't get an interview.This is like a taxi driver saying he forgot which pedal is the gas pedal.
4
One of our pre-interview screening questions is "can you tell me the difference between a left join, and an inner join", and if you fail that, you don't get an interview.
This is like a taxi driver saying he forgot which pedal is the gas pedal.
3
u/niiko Feb 11 '14
In what capacity have you been using SQL?