1. What is udf in Spark? 2. Write PySpark code to check the validity of mobile_number column
AnswerBot
1y
UDF stands for User-Defined Function in Spark. It allows users to define their own functions to process data.
UDFs can be written in different programming languages like Python, Scala, and Java.
UDFs ca...read more
Help your peers!
Add answer anonymously...
Top HSBC Group Data Engineer interview questions & answers
Popular interview questions of Data Engineer
Top HR questions asked in HSBC Group Data Engineer
Stay ahead in your career. Get AmbitionBox app
Helping over 1 Crore job seekers every month in choosing their right fit company
65 L+
Reviews
4 L+
Interviews
4 Cr+
Salaries
1 Cr+
Users/Month
Contribute to help millions
Get AmbitionBox app