7. Scenario 2, continued
Next, your interviewer wants to know more about your understanding of tools that work in both spreadsheets and SQL queries. She explains that the data her team receives from customer surveys sometimes has many duplicate entries.
She says: Spreadsheets have a great tool for that called remove duplicates. But when writing a SQL query, what command should you include in your SELECT statement to remove duplicates?
1 / 1 point
Correct
To remove duplicates in a SQL query, include DISTINCT in your SELECT statement.
Related Questions & Answers:
- Data analysis is the various elements that interact with one another in order to provide, manage, store, organize, analyze, and share data. 1.Data analysis is the various elements that interact with one another in order to provide, manage, store, organize, analyze, and ... Read more...
- Structured query language (SQL) enables data analysts to communicate with a database. 8.Structured query language (SQL) enables data analysts to communicate with a database. 1 / 1 point True ✓ False CorrectSQL allows ... Read more...
- If a data analyst wants to list the cities in this spreadsheet alphabetically, instead of numerically, what feature can they use in column B? 3.If a data analyst wants to list the cities in this spreadsheet alphabetically, instead of numerically, what feature can they ... Read more...
- A doctor’s office discovers that patients are waiting 20 minutes longer for their appointments than in past years. In what ways could a data analyst help solve this problem? Select all that apply. 2.A doctor’s office discovers that patients are waiting 20 minutes longer for their appointments than in past years. In what ... Read more...
- A data analyst creates data visualizations and a slideshow. Which phase of the data analysis process does this describe? 2. A data analyst creates data visualizations and a slideshow. Which phase of the data analysis process does this describe? ... Read more...
- Fill in the blank: Return on investment compares the _____ of an investment to the net profit gained from that investment. 7. Fill in the blank: Return on investment compares the _____ of an investment to the net profit gained from ... Read more...