ETL TESTING WITH SQL INTERVIEW QUESTIONS AND ANSWERS #01
In this comprehensive video, we dive deep into real-time ETL testing with SQL interview questions. Learn the most common queries, techniques. Whether you're preparing for an interview or looking to level up your ETL skills, this tutorial has got you covered!.
#etltesting, #etl #interviewquestions
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@Geekpeakstudio
Пікірлер: 11
very informational video keep it up
little bit easy approach =select * from phonenum_vali where length(regexp_replace(phone_num,'[^0-9]',null))=10;
Good Explanation and very helpful, please post more videos
We can write the query without using inner query Select rtrim(sum(salary),0) as sal from table_name
Thanks fr video. In theritical qn,Why answer no. If u r explained that, it will helpful
@Geekpeakstudio
Жыл бұрын
we will explain each and every topic. Thank you for the feedback
Can you please share the data set to practice those question
Inner join returns common result
@Geekpeakstudio
9 ай бұрын
Absolutely ,an inner join returns only the rows that have matching values in both tables being joined. Inner joins are typically used to combine data from multiple tables based on a specified condition, such as matching values in a common column.
can you share us the sheet which you are doin query pls
We can write the query without using inner query Select rtrim(sum(salary),0) as sal from table_name