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SQL Interview Success: Unlocking the Top 5 Frequently Asked Queries

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 Here are the five top commonly asked SQL queries in the interviews. These you can expect in Data Analyst, or, Data Engineer interviews. Top SQL Queries for Interviews 01. Joins The commonly asked question pertains to providing two tables, determining the number of rows that will return on various join types, and the resultant. Table1 -------- id ---- 1 1 2 3 Table2 -------- id ---- 1 3 1 NULL Output ------- Inner join --------------- 5 rows will return The result will be: =============== 1  1 1   1 1   1 1    1 3    3 02. Substring and Concat Here, we need to write an SQL query to make the upper case of the first letter and the small case of the remaining letter. Table1 ------ ename ===== raJu venKat kRIshna Solution: ========== SELECT CONCAT(UPPER(SUBSTRING(name, 1, 1)), LOWER(SUBSTRING(name, 2))) AS capitalized_name FROM Table1; 03. Case statement SQL Query ========= SELECT Code1, Code2,      CASE         WHEN Code1 = 'A' AND Code2 = 'AA' THEN "A" | "A
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Jigsaw Academy provides training on the latest tools and techniques in the field of analytics. Jigsaw Academy's unique online platform provides the best learning experience through a combination of virtual classrooms and virtual labs.


Students can opt for Live (virtual) classroom training or self-paced video-based courses. Students learn from industry experts who have applied analytics to solve a variety of business problems in diverse domains Advanced Courses in Big Data and Analytics spectrum Through Instructor-Led Classroom-Based Hands-On Training using Hadoop, R, SAS, Excel, SQL, and STAT with Job Opportunities for fresher’s as well as professionals.

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Data Analytics and Research professionals design financial policies to assess the financial consequences of unforeseen events conduct financial research, and design strategies needed to cover the risks. OrangeTree Global is currently one of India’s leading Business Analytics and Business Intelligence training organization in India. It is headquartered in Kolkata and has a regional office in Pune and Mumbai, where classroom training is held throughout the week.

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AnalytixLabs is elated to announce the opening of its new center in Gurgaon. AnalytixLabs is a premier training institute, led by a team of experienced professionals, known for virtual classrooms and corporate training programs.

Considering the growing demand for business analytics and SAS training in the Delhi NCR region, we have come up with a new center. The new classroom studio, intended to render the analytics training to aspirants from Delhi, Gurgaon, and Noida, is conveniently located at Sushant Arcade, Gurgaon (between Radisson Suites and Marriott Courtyard, walking distance from HUDA city center metro station).


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Lodestone Learning is the Education division of process Business Solutions Pvt. Ltd, which is a Systems Integrator and Implementation partner to SAS India for the Mid-Market segment.

Our associate firm, HighPoints Technologies, is a long-standing vendor to leading IT/Analytics companies in India for providing contracting and full-time resources. process, Lodestone, and HighPoints provide end-to-end capabilities to clients for Analytics Solutions, Implementation.

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