Aggregate functions help turn large datasets into simple summaries used across many fields. GROUP BY and HAVING allow structured grouping and filtering of data for clearer reports. Functions like ...

People who edit PDFs regularly or students who juggle between documents would know that editing PDFs is one of the most essential tasks you expect to carry out on an operating system. If you use Linux ...

Though the Apple Files app may not have got an overhauled design and a host of new features like Safari with tab groups and FaceTime app in iOS 15, but the stock file manager has received a notable ...

CBSE Maths Sample Paper Class 10 2026: The CBSE Class 10 Board Exams 2026 are scheduled to begin on February 17, 2026. With the tentative exam dates now out, students should start preparing rigorously ...

Getting good at SQL for interviews can feel like a puzzle. You know the basics, but putting them together in a way that impresses people is another thing entirely. Luckily, there are great tools out ...

: emp_id (integer, should not be NULL and should be a primary key)Q : emp_name (text, should not be NULL)Q : age (integer, should have a check constraint to ensure the age is at least 18)Q : email ...

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PDFs can be a pain. As they were initially designed to be forms that were printed out and filled in by pen, they can feel somewhat anachronistic in the modern digital age. But, it’s not as hard to ...