Meesho
10+ Biocon Limited Interview Questions and Answers
Q1. Describe different types of joins
Different types of joins are used in database queries to combine data from multiple tables.
Inner join: Returns only the matching records from both tables.
Left join: Returns all records from the left table and the matching records from the right table.
Right join: Returns all records from the right table and the matching records from the left table.
Full outer join: Returns all records when there is a match in either the left or right table.
Cross join: Returns the Cartesian prod...read more
Q2. Number of returns have increased, find possible reasons for it.
Possible reasons for increased returns need to be analyzed.
Changes in customer preferences or expectations
Quality issues with products or services
Inadequate customer support or communication
Competitor actions affecting customer loyalty
Economic factors impacting purchasing decisions
Q3. what is the Output in rows if two tables joined using various joins
The output in rows when two tables are joined using various joins depends on the type of join used and the data in the tables.
Inner join - only rows with matching values in both tables are included in the output
Left join - all rows from the left table are included, with matching rows from the right table
Right join - all rows from the right table are included, with matching rows from the left table
Full outer join - all rows from both tables are included, with NULL values for n...read more
Q4. what are the strength and weaknesses
Strengths include analytical skills, problem-solving abilities, and communication skills. Weaknesses may include lack of technical expertise or industry knowledge.
Strengths: analytical skills, problem-solving abilities, communication skills
Weaknesses: lack of technical expertise, lack of industry knowledge
Q5. Measure amount of time spent by each employee inside the office
Employee time tracking system can be used to measure time spent in the office.
Implement an employee time tracking system to record entry and exit times
Use access card swipes or biometric systems for accurate tracking
Generate reports to analyze time spent by each employee
Consider implementing software solutions like time tracking apps for remote employees
Q6. What is the output after joining two tables.
The output after joining two tables is a single table containing columns from both tables based on a common key.
Joining two tables combines rows from both tables based on a common key
The output will have columns from both tables
Different types of joins like inner join, outer join, left join, right join can be used
Q7. What is the diff between union and union all
UNION combines the results of two or more SELECT statements, while UNION ALL includes all rows, including duplicates.
UNION removes duplicate rows, while UNION ALL does not
UNION sorts the result set, while UNION ALL does not
UNION is slower than UNION ALL as it performs a sort operation
Q8. Strategy for marketing for new product launch
Utilize a mix of digital and traditional marketing strategies to create buzz and reach target audience effectively.
Conduct market research to understand target audience and competition
Develop a comprehensive marketing plan including online advertising, social media campaigns, PR efforts, and events
Utilize influencers and brand ambassadors to generate excitement and credibility
Offer exclusive promotions or discounts to early adopters
Track and analyze results to make adjustment...read more
Q9. SQL query to print gold members of zomato
SQL query to print gold members of zomato
Use SELECT statement to retrieve data from the database
Filter the results using WHERE clause to only include gold members
Specify the table and column names where the membership status is stored
Example: SELECT * FROM zomato_members WHERE membership_type = 'gold'
Q10. Find order of execution
The order of execution refers to the sequence in which tasks or processes are carried out.
Identify the tasks or processes that need to be executed
Determine the dependencies between tasks
Execute tasks in the correct order based on dependencies
Ensure that tasks are completed before moving on to the next task
Q11. Match-fixing of four teams
Match-fixing involving four teams is a serious issue in sports that undermines the integrity of the game.
Match-fixing can involve players, coaches, referees, or even team officials conspiring to manipulate the outcome of a game for financial gain.
It can have severe consequences such as bans, fines, and tarnished reputations for those involved.
Examples of match-fixing scandals involving four teams include the Calciopoli scandal in Italian football and the Black Sox scandal in ...read more
Q12. output of joins
Output of joins is a combination of data from two or more tables based on a common column.
Joins are used to combine rows from two or more tables based on a related column between them
Types of joins include inner join, outer join, left join, and right join
The output of a join will include columns from both tables, with rows that meet the join condition
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