Tip 1: Practice on online coding platforms and solve medium-level problems.
Tip 2: Brush up on computer fundamentals from subjects like OS, DBMS, and CN.
Tip 3: Have a good project or internship experience and possess in-depth knowledge of what you have done.
Tip 1: Do not even mention topics you have no idea about.
Tip 2: You should have some projects on your resume, and you should be able to explain clearly why you chose each particular project, what it does, its functionality, outcomes, and everything about each of the projects.
Tip 3: Tailor your resume according to the needs of the role you are applying for.
Design a cache controller.
‘?’ – matches any single character
‘*’ – Matches any sequence of characters(sequence can be of length 0 or more)
Input: 'a' = [7, 12, 1, 20]
Output: NGE = [12, 20, 20, -1]
Explanation: For the given array,
- The next greater element for 7 is 12.
- The next greater element for 12 is 20.
- The next greater element for 1 is 20.
- There is no greater element for 20 on the right side. So we consider NGE as -1.
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Which SQL keyword removes duplicate records from a result set?