
Technical Assessment
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30 questions
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- Q1What is the purpose of the SQL JOIN clause?To rename a tableTo create a new tableTo delete a tableTo combine rows from two or more tables based on a related column30s
- Q2What is the purpose of the 'self' parameter in Python class methods?It refers to the parent class.It is used for static methods.It is a reserved keyword.It refers to the instance of the class.30s
- Q3Which SQL keyword is used to prevent duplicate records in a query result?DISTINCTUNIQUEPRIMARYFOREIGN30s
- Q4What SQL statement is used to create a new table in a database?INSERT INTODROP TABLECREATE TABLEALTER TABLE30s
- Q5What type of visualization in Power BI is best suited to display data trends over time?Line chartTablePie chartCard30s
- Q6What is the primary purpose of Power BI Service?To visualize dataTo share and collaborate on reports and dashboardsTo create data modelsTo import data from other sources30s
- Q7What is a primary function of Power BI's data model?To design user interfacesTo establish relationships between different data tablesTo store data securelyTo create visual reports30s
- Q8What is the primary benefit of using Power BI's 'Publish to Web' feature?To securely share reports within an organizationTo embed reports in internal applicationsTo automate data refreshesTo share interactive reports with a wider audience via a public URL30s
- Q9Which feature in Power BI allows for the integration of real-time data streaming?Data modelingDataflowsStreaming datasetsCalculated columns30s
- Q10What keyword is used to define a function in Python?deffuncfunctionmethod30s
- Q11Which of the following methods is commonly used for predictive analytics in data analysis?Data entryFile storageWeb scrapingRegression analysis30s
- Q12Which operator is used for floor division in Python?/**//%30s
- Q13Which keyword is used to handle exceptions in Python?handleexceptcatchtry30s
- Q14Which SQL command is used to retrieve data from a database?UPDATESELECTINSERTDELETE30s
- Q15Which of the following is not a built-in data type in Python?dictionarycharacterlisttuple30s