Top 25 SQL Interview Questions And Answers|SQL Support Interview Questions And Answers| Simplilearn скачать в хорошем качестве

Top 25 SQL Interview Questions And Answers|SQL Support Interview Questions And Answers| Simplilearn

"🔥Data Scientist Masters Program (Discount Code - YTBE15) - https://www.simplilearn.com/big-data-... 🔥IITK - Professional Certificate Course in Data Science (India Only) - https://www.simplilearn.com/iitk-prof... 🔥Purdue - Professional Certificate in Data Science and Generative AI - https://www.simplilearn.com/pgp-data-... 🔥Data Scientist Masters Program (Discount Code - YTBE15) - https://www.simplilearn.com/big-data-..." Top 25 SQL Interview Questions And Answers by simplilearn is dedicated to help aspiring data analysts and business analysts to understand the SQL principles and be ready to asnwer the toughest SQL Support Interview Questions And Answers. Here's a sneak peek at some of the key questions we'll be tackling: 00:00:00 Introduction to Top 25 SQL Interview Questions And Answers 00:01:43 What is SQL and why is it important? 00:02:31 Explain the difference between SQL and NoSQL databases. 00:03:00 How do you retrieve unique values from a column? 00:03:27 What is normalization and denormalization? 00:03:50 Explain ACID Properties in SQL. 00:04:40 What is the difference between GROUP BY and HAVING clause in SQL? 00:05:07 Explain the Difference Between UNION And UNION ALL 00:05:25 What is a SubQuery? 00:05:45 How Can you Prevent the SQL Injection in your Queries 00:06:07 Explain the difference between the Primary key and foreign key 00:06:32 What is the Difference between WHERE Clause and HAVING Clause 00:06:53 Explain the concept of INDEXING in SQL 00:07:21 What is a STORED Procedure? 00:07:43 How Can you Find 2nd or nth highest Salary in SQL 00:08:19 Explain the difference between a primary key and unique key in SQL Table 00:08:42 What is a VIEW in SQL? 00:09:01 What is the Purpose of SQL CASE Statement? 00:09:19 How can you update data in SQL Table? 00:09:54 Explain the difference between a clustered index and non-clustered index 00:10:20 What is the Purpose of SQL JOIN Clause 00:10:49 Queries in Realtime 00:11:12 Write a SQL Query to retrieve the count of all the rows in your table 00:11:48 Write a SQL Query to find the average salary of all the employees in a specific department 00:13:16 Write a SQL Query to Display the top 5 highest paid employees from a table 00:14:19 Write a SQL Query to update the salary of all the employees by 10% increment 00:15:07 Write a SQL Query to find the second most common value in a column 🔥Explore our FREE Courses: https://www.simplilearn.com/skillup-f... ✅Subscribe to our Channel to learn more about the top Technologies: https://bit.ly/2VT4WtH ⏩ Check out more SQL training videos by Simplilearn:    • SQL Tutorial Videos🔥[2024 Updated]   #SQLInterviewQuestions #SQLInterviewQuestionsAndAnswers #InterviewPreparation #SQLInterview #SQL #Programming #Database #SQLServer #MySQL #SQLDeveloper #ComputerScience #Oracle #Data #Simplilearn #2023 #2024 🔥 Watch Top Trending Videos From Simplilearn: ⏩ Top 10 Programming Languages in 2023:    • Top 10 Programming Languages 2023 | Best P...   ⏩ Top 10 Certifications for 2023:    • Top 10 Certifications For 2023 | Highest P...   ⏩ Top 10 Highest Paying Jobs in 2023:    • Top 10 Highest Paying Jobs In 2023 | Highe...   ⏩ Top 10 Dying Programming Languages in 2023:    • Top 10 Dying Programming Languages in 2023...   ✅ About Post Graduate Program In Data Analytics This Data Analytics Program is ideal for all working professionals and prior programming knowledge is not required. It covers topics like data analysis, data visualization, regression techniques, and supervised learning in-depth via our applied learning model with live sessions by leading practitioners and industry projects. ✅ Key Features Post Graduate Program certificate and Alumni Association membership Exclusive hackathons and Ask me Anything sessions by IBM 8X higher live interaction in live online classes by industry experts Capstone from 3 domains and 14+ Data Analytics Projects with Industry datasets from Google PlayStore, Lyft, World Bank etc. Master Classes delivered by Purdue faculty and IBM experts Resume preparation and LinkedIn profile building 1:1 mock interview ✅ Skills Covered Data Analytics Statistical Analysis using Excel Data Analysis Python and R Data Visualization Tableau and Power BI Linear and logistic regression modules Clustering using kmeans Supervised Learning 🔥🔥 Interested in Attending Live Classes? Call Us: IN - 18002127688 / US - +18445327688