Tip 1 : Work hard
Tip 2 : Prepare resume well
Tip 1 : Have some projects on resume.
Tip 2 : Do not put false things on resume.
You can’t sell without buying first.
For the given array [ 2, 100, 150, 120],
The maximum profit can be achieved by buying the stock at minute 0 when its price is Rs. 2 and selling it at minute 2 when its price is Rs. 150.
So, the output will be 148.
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Which SQL keyword removes duplicate records from a result set?