If you've got an SQL interview coming up, you'll almost certainly be asked about JOIN clauses. Make sure you're prepared by practicing these 5 tough questions on JOINs in advance.
SQL is a language used to view or change data in databases. Get these online SQL Practice Questions and prepare for your next SQL examination.
Customer_View DROP; DROP VIEW Customer_View; DROP Customer_View; DELETE VIEW Customer_View; Watch this answer This question is covered in SQL DROP View: Tutorial & Overview View lessonin new window > Explore our library of over 88,000 lessons ...
Date and time-related functions might have small differences between databases, so you may need to tweak them based on your specific database system. Window functions, like numbering rows (ROW_NUMBER()) or partitioning data (PARTITION BY), work on MySQL (version 8.0 and newer), SQL Server, ...
Sql server Online Test The purpose of this online test is to help you evaluate your Sql server knowledge yourself. These Multiple Choice Questions (MCQs) on Sql server will prepare you for technical round of job interview, written test and many certification exams. ...
The test contains 28 questions and there is no time limit. You will get 1 point for each correct answer. You will get your online test score after finishing the complete test. (Total28questions)(Time spent0:0) 1. Which of the following below are Compound Operators in sql server 2008 ...
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With value objects, you're seeking side-effect-free functions, yet another concept borrowed by DDD. When you add $20 to $20, are you changing $20? No, you are creating a new money descriptor of $40. In C# you can use the read-only keyword on public fields to enforce immutability an...
Advanced SQL covering topics like SQL subqueries, string functions, window functions, and pivoting Each lesson has several practice questions that you can solve in the Mode SQL editor. 7. SQLZoo SQLZoois another learning and practice platform for SQL. On SQLZoo, you can access bite-sized lessons...
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