RXO Inc. Business Intelligence Analyst Interview Questions, Process, and Tips

Q1. What is multica
Ans. 
Multica is a term that is likely a typo or incomplete question, as it does not have a clear meaning in the context of business intelligence.
• It is possible that the interviewer meant to ask about 'multicasting', which is a networking technology that allows data to be sent to multiple recipients simultaneously.

• Alternatively, the question could have been about 'multicollinearity', which is a statistical concept that refer...read more
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Q2. How to handle corrupt files
Ans. 
Corrupt files can be handled by identifying the issue, attempting to repair the file, and restoring from backups if necessary.
• Identify the type of corruption in the file (e.g. file format corruption, data corruption)

• Attempt to repair the file using built-in tools or third-party software

• If repair is not possible, restore the file from backups

• Implement preventive measures such as regular backups and file integrity checks
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Q3. What is DTWSTR , explain the difference
Ans. 
DTWSTR stands for Data Type Wide String and is a data type used in programming to store wide characters.
• DTWSTR is used to store Unicode characters, which require more memory than regular characters.

• DTWSTR is commonly used in programming languages like C++ and Java for internationalization and localization purposes.

• An example of DTWSTR usage is storing names or text in different languages that require special characters
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Q4. What is IMEX property
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IMEX property is a property that is used to import and export data in SQL Server Integration Services (SSIS).
• IMEX property stands for 'InterMixed' property

• It is used in connection strings to specify how to treat data types when importing or exporting data

• It is commonly used in SSIS packages to handle mixed data types in Excel files
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Q5. In SQL - cluster and non cluster index
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Clustered indexes physically order the data in the table, while non-clustered indexes do not.
• Clustered indexes determine the physical order of data in the table, while non-clustered indexes do not.

• Clustered indexes are faster for retrieval of large ranges of data, while non-clustered indexes are better for individual row lookups.

• Tables can only have one clustered index, but multiple non-clustered indexes can be created
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Explain project/scenario

Q1. CTC /Notice of your current organisation
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