but active/passive is considered by some the better as it is not as difficult to administer. I believe that is what we have on active. Still, active/active may be best depending on what the requirements are for
Beginner PL/SQL Interview Questions In the initial interview phase, the interviewer can ask foundational questions to assess your knowledge of basic database and PL/SQL concepts. Try studying these questions and answer to prepare for the initial phase of the interview. 1. What is PL/SQL? PL/S...
1. Make a note of all node names (and/or IP addresses), SQL Server virtual names along with preferred nodes. If there are more than three nodes you may need to also take note of possible owners for each SQL resource group. For my example assume that I have a cluster with node1 and...
A simple view can be thought of as a subset of a table. It can be used for retrieving data, as well as updating or deleting rows. Rows updated or deleted in the view are updated or deleted in the table the view was created with. It should also be noted that as data in the origin...
A 100% practical online course. A 6-week simulation of being a junior data scientist at a true-to-life startup. “Solving real problems, getting real experience – just like in a real data science job.” Learn more... Conclusion The hard part of these SQL interview questions is that th...
great help. I was interviewing for a new position recently and had trouble answering some complicated questions on the spot. Every type of question asked at my interview was in this book.Now I practice the Intermediate and Advanced problems once a week and am able to solve these within ...
Regular Expressions in SQL: Learn how to use regular expressions for pattern matching within SQL queries. Exercises, Interview Questions & Cheat Sheet Hands-On Practice Strengthen your SQL skills with practical exercises and quizzes designed to simulate real-world scenarios: SQL Practice Exercises: Wo...
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Hints and more.If you get stuck, you can use the included exercise hints. Or use the Discuss tab to ask questions and share insights with other members of the LearnSQL community. You can also drop us a line at contact@learnsql.com and we'll be more than happy to help!
Also, prepare for job interviews with SQL interview questions, prepared by industry experts. SQL LEFT JOIN – FAQs Frequently Asked Questions Q1. When do we need to use LEFT JOIN? When you want to return all records from the left table, regardless of whether there are any matched records ...