This is THE book to turn to if you want to improve your SQL skills. I've been using SQL for 15 years and still found this book to be of great help. I was interviewing for a new position recently and had trouble answering some complicated questions on the spot. Every type of question...
The best way we learn anything is by practice and exercise questions. We have started this section for those (beginner to intermediate) who are familiar withSQL. Hope, these exercises help you to improve your SQL skills. Currently following sections are available, we are working hard to add ...
30-day money-back guarantee.If you're not satisfied with the quality of the online course, you can get a refund within 30 days of your purchase. Exercise hints.You can take advantage of ready-made hints for every exercise, or ask questions and share insights with other members of our com...
During the technical interview, we can face some query reading questions to understand our SQL query reading capabilities. For this reason, we need to make some SQL practice to improve our query reading skills. For example, the following question, which seems very simple but contains a bit of...
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Click Here to get 20 Interview Questions for Tech Mahindra…. 21.how to write sql query for the below scenario I/p:ORACLE O/p: O R A C L E i.e, splitting into multiple columns a string using sql. Answer: Select Substr(‘ORACLE’,Level,1) From Dual ...
SQL Questions & AnswersSQL Server Express, Encrypting Data, and MoreEdited by Nancy MichellDatabase Sizer ToolsQ Where can I find a database sizer tool that can be used for large SQL Server™ databases?A You should start with the Scalability and Very Large Database Resource Web site . The...
Get interview-ready with this comprehensive overview of 80 essential SQL questions and answers for job hunters, hiring managers, and recruiters. Elena Kosourova 12 min blog 10 Portfolio-Ready SQL Projects for All Levels Select your first—or next—SQL project to practice your current SQL skills,...
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Here are5-7 quick tipsfor succeeding in anSQL interview: Master SQL Basics: Understand core concepts like SELECT, JOIN, GROUP BY, and aggregation functions. Practice Regularly: Solve SQL problems on platforms like LeetCode, HackerRank, or SQLZoo to sharpen your skills. ...