SQL Query Writing: **TABLE A** Columns: Col1 col2 Col3 Data: 1 ABCD 987 1 CDER 234 1 MBCV 444 1 VCXDF 345 **TABLE B** Columns: Col1 col4 Col5 Data: 1 cd 123 1 VG 876 1 XX 456 1 CC 765 Task: Implement Inner join, Left Outer join and Full outer join and provide the number of output records for each type of join?
Tell me about yourself and your projects. Also, what tech stack you are using in day to day work?
Spark optimization, Basic DSA like palindrome, SQL codes, Project related question.
R Shiny Development, my experiences, analytical thinking
write a python code to get the second highest salary of each department. If emp has same salary get the salary of low age
Review this python code and fix it.
Need to be very good at fundamentals. DWH, RDBMS, Distributed processing
Python tricky exercises, SQL Questions
Basic python and sql questions
Consider a StudentGrades dataframe with columns – StudentID, CourseID, Grade. Write a spark operation to find students who have scored an ‘A’ in more than three courses.
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