Wyzmindz Solutions Interview Questions and Answers for Experienced

Q1. What is group by in MySQL.
Ans. 
GROUP BY in MySQL is used to group rows that have the same values into summary rows.
• GROUP BY is used with aggregate functions like COUNT, SUM, AVG, etc.

• It is used to summarize data by grouping rows based on one or more columns.

• GROUP BY can be used with HAVING clause to filter the grouped results.

• Example: SELECT department, COUNT(*) FROM employees GROUP BY department;
Answered by AI
Add your answer
Q2. How do you filter data in MySQL.
Ans. 
Filtering data in MySQL involves using the WHERE clause in SQL queries.
• Use the WHERE clause in SELECT statements to filter data based on specified conditions.

• You can use comparison operators such as =, <>, >, <, >=, <=, etc. in the WHERE clause.

• You can also use logical operators like AND, OR, and NOT to combine multiple conditions.

• Example: SELECT * FROM table_name WHERE column_name = 'value';
Answered by AI
Add your answer

Q1. Basic oops concepts
Add your answer
Q2. Prime number coding
Add your answer

Q1. Tell me about yourself
Add your answer
Q2. Mock call between customer and agent
Ans. 
The mock call between customer and agent is a common scenario used to assess communication skills and problem-solving abilities.
• Agent should greet the customer politely and ask for their name and reason for calling.

• Agent should actively listen to the customer's concerns and provide relevant solutions or assistance.

• Agent should maintain a professional and friendly tone throughout the call.

• Agent should summarize the conv...read more
Answered by AI
Add your answer

Q1. Mock call as irrated customer and agent
Add your answer
Q2. Why you want to join this company
Add your answer
Q3. Tell me about koi and kra
Add your answer

Related projects and some theory questions

Q1. It is work from office, are you comfortable in coming to office or not, whatever it is, it happened in HR round and what did you do earlier
Add your answer
Q2. Yes I am comfortable
Add your answer