10+ Business Intelligence Developer Analyst Interview Questions and Answers

To prepare an employee's attendance record, I would gather data on their attendance, create charts and graphs to visualize trends and patterns.

• Gather attendance data including dates, times, and reasons for absence or tardiness

• Create a spreadsheet or database to organize the data

• Use software like Excel or Tableau to create charts and graphs showing attendance trends

• Include metrics such as overall attendance rate, late arrivals, and absences

• Analyze the data to identify patterns...read more

DDL stands for Data Definition Language and is used to define the structure of database objects. DML stands for Data Manipulation Language and is used to manipulate data within the database.

• DDL is used to create, modify, and delete database objects such as tables, indexes, and views.

• DML is used to insert, update, delete, and retrieve data from database tables.

• Examples of DDL statements include CREATE TABLE, ALTER TABLE, and DROP TABLE.

• Examples of DML statements include INSERT...read more

Yes, we have Tableau in our system for data visualization and analysis.

• We use Tableau for creating interactive dashboards and reports.

• Tableau helps us in visualizing complex data and identifying trends.

• Our team is trained in using Tableau for data analysis and reporting.

SQL is a standard language for managing databases, while MySQL is a specific open-source relational database management system.

• SQL is a standard language used to interact with databases, while MySQL is a specific database management system.

• SQL is an ANSI (American National Standards Institute) standard language, while MySQL is an open-source relational database management system.

• SQL can be used with various database management systems, while MySQL is specifically designed to ...read more

Joins are used to combine rows from two or more tables based on a related column between them.

• Joins are used in SQL to retrieve data from multiple tables based on a related column.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• Example: INNER JOIN retrieves rows from both tables where the join condition is met.

• Example: LEFT JOIN retrieves all rows from the left table and the matched rows from the right table.

• Example: RIGHT JOIN retrieves all row...read more

CTE stands for Common Table Expression in SQL, used to create temporary result sets for complex queries.

• CTEs are defined using the WITH keyword

• They can reference themselves recursively

• CTEs improve readability and maintainability of SQL queries

Yes, I have a personal system for organizing my work and personal tasks.

• I use a combination of digital tools like Trello and Google Calendar to keep track of my tasks and deadlines.

• I also have a physical planner where I jot down important notes and reminders.

• Having a personal system helps me stay organized and efficient in managing my workload.

SLA stands for Service Level Agreement, which outlines the level of service expected from a vendor.

• SLA defines the agreed upon level of service between a provider and a customer.

• It includes metrics like response time, uptime, and resolution time.

• SLAs are important for ensuring accountability and quality of service.

• Example: An SLA might specify that the vendor will respond to support tickets within 24 hours.

Join in SQL is used to combine rows from two or more tables based on a related column between them.

• Join is used to retrieve data from multiple tables based on a related column

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column