Crazy4DB

Annual mega discount sale is round the corner on UDEMY. Large discounts will be available on my courses on MySQL, Oracle SQL, PL/SQL, MongoDB, Python. All courses are high rated. 57,000 students have been studying from these courses. I'll share discount links / coupon codes on whatsapp group "BlackFriday" the link of which I'm sharing below. Anyone, yourself, your colleagues, students, relatives if interested may plz join the group. Plz share the message as much widely as possible. The link :

BlackFriday 21 WhatsApp Group Invite

Now my highest rated courses available on Udemy, discount links below -

SQL / MySQL (4.8*) : https://www.udemy.com/course/practical-sql-masterclass-with-mysql/?couponCode=SAVE2021OCT

Python (4.9*) : https://www.udemy.com/course/python-for-those-absolute-beginners-who-never-programmed/?couponCode=SAVE2021OCT

MongoDB (4.9*) : https://www.udemy.com/course/mongodb-in-nutshell-example-driven-quick-start-in-mongodb/?couponCode=SAVE2021OCT

SQL / Oracle (4.6*) : https://www.udemy.com/course/oracle-19c-sql/?couponCode=SAVE2021OCT

PL/SQL (4.3*) : https://www.udemy.com/course/learning-plsql-the-example-way/?couponCode=SAVE2021OCT

Practical SQL Masterclass for Quick Interview Preparation Feel "experienced" in SQL by end of this course - Showcase SQL expertise - Get hired directly at senior positions

SQL with MySQL course - Including stored procedures, functions, triggers, views, indexing & event scheduling - Separate interview Questions/answers section + 2 courses lifetime free (Python & MongoDB) *conditions apply - Explore following link :

https://www.udemy.com/course/practical-sql-masterclass-with-mysql/?couponCode=MYSQL2021JULY

Practical SQL Masterclass for Quick Interview Preparation Feel "experienced" in SQL by end of this course - Showcase SQL expertise - Get hired directly at senior positions

110 video lessons, 5 downloadable articles, from basic SQL to advanced Stored Procedures, regular updates, seasons sale for 3 days, 30 days full refund guarantee -

Practical SQL Masterclass for Quick Interview Preparation Feel "experienced" in SQL by end of this course - Showcase SQL expertise - Get hired directly at senior positions

SQL course 96 lessons, 12 hrs of video content, Articles, assesment tests - for those who take their career seriously - you must know why only this SQL course you must take -
1. Quick interview preparation for newbies
2. 40% topics covered here are exclusive to this course - not found in any one single course - just visit the curriculum for comparison
3. Detailed coverage - not just to get a job but to also retain it by showing your expertise
4. Purely industry oriented - applied knowledge with working examples
5. 4-5 new lessons every week, avg lesson duration 7 minutes so you actually can finish, Q/A forum to resolve your doubts, each lesson comes with downloadable lesson transcript & example code

To explore / enroll click the following link :
https://www.udemy.com/course/practical-sql-masterclass-with-mysql/?referralCode=85DD230349E05DF7A271

plz forward, share & like to help the knowledge reach to those who need it.

Practical SQL Masterclass for Quick Interview Preparation Feel "experienced" in SQL by the end of this course - Be ready to demonstrate expertise - Get hired for senior positions

Avail special discount on our newest courses. Click the link below!

https://www.udemy.com/course/practical-sql-masterclass-with-mysql/?referralCode=85DD230349E05DF7A271

**SQL 21 Interview Questions**
1. Explain the term "Relational" in RDBMS.
2. What is the purpose of "Normalization" in a database management System
3. Describe the two different situations when you will use subquery or join.
4. What is an outer join? What are its types?
5. What is the typical use of EXISTS operator? Give a query example.
6. What are different properties of DISTINCT operator?
7. Explain the rule of precedence between AND & OR Operators? How to override the rule?
8. What is default use of operator || ? How can you change its meaning & hence its use?
9. What the temporal operator is used for in MySQL? Give an example,
10. How do you evaluate a common arithmetic expression like A + B * (C - D) / E. Write the SQL query for MySQL DBMS.
11. Arrange ORDER BY, LIMIT, WHERE clauses in their proper sequence if to be used together in an SQL query.
12. SELECT * FROM emp AS e1 WHERE sal = (SELECT sal FROM emp AS e2 WHERE ename = 'MARTIN' AND e2.deptno = e1.deptno); Rewrite this query to operate at better performance. What this type of query called?
13. Write a query to list rows from 11th to 15th from a table named T.
14. What will be the result of this query - SELECT deptno, MAX(AVG(sal)) FROM emp GROUP BY deptno; in MySQL. Write a query to be used in MySQL to list maximum of the department number wise average salary amount along with the department number to which it belongs.
15. What is Data integrity? How is that implemented in relational databases like MySQL?
16. Why you require to define constraint at table level if it can be defined at column level?
17. Which constraint will you use for implementation of domain integrity?
18. What is the purpose of DEFAULT constraint? Give an example case of its use?
19. What is the difference between WHERE and HAVING clauses?
20. Arrange HAVING, ORDER BY, GROUP BY and WHERE clauses in their proper sequence if they are to be used together in a SELECT statement,
21. What are different ways of creating copy of table without copying the data?

This is not an exhaustive list of questions, there can be many many more you might face in the interview. So you need a comprehensive course to learn all that required to face an interview as a developer. If you really want to be the master in SQL but starting with no prior coding experience, then this course is for you. Updated every week with new lessons, this course is designed & presented by instructor with 23+ years experience in the industry with you in consideration at one end and industry aspirations on the other. It comes with a Q/A forum where you can raise doubts and be assured to get answer within 24 hours. Backed With 30 days 100% money back guarantee you're protected against any loss and assured of the best quality. Enroll now with coupon code to avail heaviest discount MYSQLBOOTCAMP2020MAR
Link :

Practical SQL Masterclass - Learn MySQL - Beginner to Guru Instant job ready SQL course with MySQL - Ultimate SQL bootcamp for Data Analysis, Data Science & Web Developers

Additional discount through instructor special coupon. Resolve to upgrade skills this Indian Republic Day. Coupon valid until 29 Jan. Coupon code : INDIANREPUBLICDAY21

MySQL : https://www.udemy.com/course/practical-sql-masterclass-with-mysql/?referralCode=85DD230349E05DF7A271

Oracle SQL : https://www.udemy.com/course/oracle-19c-sql/?referralCode=9BCB978E008E93815DED

PL/SQL : https://www.udemy.com/course/learning-plsql-the-example-way/?referralCode=BBC6AD3367D3AD731C6E

MongoDB : https://www.udemy.com/course/mongodb-in-nutshell-example-driven-quick-start-in-mongodb/?referralCode=DB501648B28A3848EF01

Python 3 : https://www.udemy.com/course/python-for-those-absolute-beginners-who-never-programmed/?referralCode=753AD5649EA10650146D

Join any one of the courses on MySQL, PL/SQL or MongoDB and get two courses Oracle SQL and Python by same author absolutely free. Offer open until 31 December, coupon code : MERRYCHRISTMAS2020

MySQL : https://www.udemy.com/course/practical-sql-masterclass-with-mysql/?referralCode=85DD230349E05DF7A271

PL/SQL : https://www.udemy.com/course/learning-plsql-the-example-way/?referralCode=BBC6AD3367D3AD731C6E

MongoDB : https://www.udemy.com/course/mongodb-in-nutshell-example-driven-quick-start-in-mongodb/?referralCode=DB501648B28A3848EF01

Oracle SQL, PL/SQL, MySQL, MongoDB, Python3 online courses leading to emerging career in data science, just Rs.360 / $9.99 special discount until 12 Dec. Coupon code : CYBERWEEKEXTN2020
click : https://sites.google.com/view/udemydeals

Next live online Oracle SQL batch, Fees Rs.1500 including lifetime access to PL/SQL course for free on UDEMY (Free Coupon)
Interested? Whatsapp group for details -

WhatsApp Group Invite WhatsApp Group Invite

Confused about choosing career in SQL? Visit this blog : SQL - Career Outlook - be on the right path
Click this link - https://bit.ly/34NSrDQ