Performance optimisation techniques in Tableau
Sr Data Analyst Interview Questions
2,958 sr data analyst interview questions shared by candidates
Tech test examples: Some very easy queries on SQL, calculate percentage of sales in a year 2005. Other interviews examples: tell me about your projects, how can you contribute to the company.
Easy not difficult just basic question they had asked and Iquestion was related to python and sql
how to find the median in a list of numbers
More on WH concepts like Confirmed dimension, slowly changing dimension.
For these exercises, please use the tables you provided on the Google Form: people (user_id, people_name, user_type, username) group (group_id, group_name) people_group (user_id, group_id) 1.1 Please write a SQL query to get the usernames of all teachers. 1.2 Please write a SQL query to get the username of each teacher who belongs to any group. 1.3 Please write a SQL query to get the number of teachers who don’t belong to any group. 2.1 How about getting every user's percent difference of activity on the report date versus a week before the report date, for every date? Assume we have a daily user_summary table with every user's activity_level (integer) on every day. Don't worry about the exact date syntax. 3.1 If you want to measure whether new user registration rate (# of new users registered/all invitations sent out) for one design is higher than the other, What statistical test you will use?
What is the P-value?
When were you a 10/10 happy?
Explain one project on which you worked which had the highest positive impact on client?
What are challenges faced in government organization?
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