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I applied via Recruitment Consulltant and was interviewed before Jul 2022. There were 3 interview rounds.
Delete removes rows one by one and can be rolled back, while truncate removes all rows at once and cannot be rolled back.
Delete is a DML command, while truncate is a DDL command.
Delete operation is slower as it generates a lot of undo and redo logs, while truncate is faster.
Delete can have a WHERE clause to specify which rows to delete, while truncate removes all rows in a table.
Delete can be rolled back using ROLLBACK...
Different types of joins in SQL include inner join, left join, right join, and full outer join.
Inner join: Returns rows when there is a match in both tables.
Left join: Returns all rows from the left table and the matched rows from the right table.
Right join: Returns all rows from the right table and the matched rows from the left table.
Full outer join: Returns rows when there is a match in either table.
To delete duplicate records, use SQL queries with DISTINCT keyword or create a unique index on the table.
Use SQL queries with DISTINCT keyword to select unique records and insert them into a new table
Create a unique index on the table to prevent duplicate entries in the future
Use DELETE statement with a subquery to remove duplicate records from the table
To find the nth highest salary, we can use a SQL query with the ORDER BY and LIMIT clauses.
Use a SQL query with ORDER BY and LIMIT clauses to sort the salaries in descending order and retrieve the nth highest salary.
For example, to find the 3rd highest salary in a table named 'employees', the query would be: SELECT DISTINCT salary FROM employees ORDER BY salary DESC LIMIT 2, 1
Primary key uniquely identifies each record in a table, while a unique key ensures that all values in a column are distinct.
Primary key is a combination of unique and not null constraints
Primary key can only be one per table
Unique key can have multiple per table
Example: Primary key - employee_id, Unique key - email
Yes, I am comfortable with 24x7 support as I understand the importance of continuous support in a fast-paced environment.
I am willing to work in shifts to provide round-the-clock support
I have experience working in a similar role with 24x7 support requirements
I understand the importance of timely response and resolution of issues in a 24x7 support setup
What people are saying about HCLTech
I applied via Naukri.com and was interviewed in Nov 2017. There were 5 interview rounds.
I was interviewed in Oct 2016.
I am a recent graduate with a degree in Business Administration and a passion for problem-solving and teamwork.
Recent graduate with a degree in Business Administration
Passionate about problem-solving and teamwork
Strong communication and analytical skills
Experience in internships and extracurricular activities
I expect the company to provide a supportive and challenging work environment, opportunities for growth and learning, and a strong company culture.
Supportive and challenging work environment
Opportunities for growth and learning
Strong company culture
Yes, I am open to relocating for the right opportunity.
I am willing to relocate for the right job opportunity
I have experience moving for previous jobs
I am excited about the possibility of exploring a new location
I plan to gain experience and expertise in the consulting field, eventually aiming for a leadership role.
Gain experience and expertise in the consulting field
Work towards a leadership role
Continuously learn and develop skills
Build a strong professional network
Stay updated with industry trends and advancements
I was interviewed in Nov 2016.
I am a highly motivated and detail-oriented individual with a strong background in consulting.
I have a Bachelor's degree in Business Administration from XYZ University.
I have completed internships at ABC Consulting and gained experience in market research and data analysis.
I am proficient in various consulting tools and software, such as Excel, PowerPoint, and Tableau.
I have excellent communication and problem-solving ...
I have a strong background in consulting and a proven track record of delivering results.
Extensive experience in consulting industry
Proven track record of delivering successful projects
Strong analytical and problem-solving skills
Excellent communication and interpersonal skills
Infosys is a global leader in technology services and consulting, known for its innovative solutions and commitment to excellence.
Infosys has a strong reputation for delivering high-quality services to clients worldwide
The company offers a wide range of opportunities for professional growth and development
Infosys values diversity and inclusion, creating a supportive work environment for employees
The company's focus on ...
Strengths: Analytical thinking, strong communication. Weaknesses: Impatience, perfectionism.
Strengths: Analytical thinking - able to break down complex problems into manageable parts.
Strengths: Strong communication - able to effectively convey ideas and information to others.
Weaknesses: Impatience - tendency to rush through tasks without paying attention to details.
Weaknesses: Perfectionism - difficulty in accepting an
I chose to do an MBA in marketing because of my passion for understanding consumer behavior and creating effective marketing strategies.
I have always been interested in understanding why people make certain purchasing decisions and how marketing can influence those decisions.
I believe that marketing is a crucial aspect of any business and can make or break a company's success.
During my undergraduate studies, I took sev...
Overcoming difficult times in professional and personal life through resilience and determination.
Losing a job and facing financial instability - took up freelance work and actively searched for new opportunities.
Dealing with a family member's illness - sought support from loved ones and focused on caregiving while maintaining self-care.
Navigating a toxic work environment - set boundaries, sought guidance from mentors,...
Marketing is the process of promoting and selling products or services to customers.
Identifying customer needs and wants
Developing products or services to meet those needs
Promoting and advertising the products or services
Selling the products or services to customers
Building and maintaining customer relationships
Analyzing market trends and competition
Adjusting strategies to meet changing market conditions
I applied via Campus Placement and was interviewed before Dec 2016. There were 5 interview rounds.
I was interviewed in Mar 2017.
I have continuously strived for personal and professional growth, from pursuing higher education to gaining valuable work experience.
Completed Bachelor's degree in Business Administration
Obtained Master's degree in Marketing
Interned at a leading marketing firm
Secured a full-time position as a Marketing Specialist
Currently pursuing certifications in digital marketing
I have chosen a different career path that aligns better with my interests and skills.
I have always had a passion for [chosen career field] and wanted to pursue it further.
I believe in following my own path and making decisions based on my own interests and goals.
While I respect my father's career in the army, I have chosen a different path that I feel passionate about.
I want to explore other areas of business and utilize my skills in a different capacity.
I am looking to broaden my skill set and gain experience in different areas of business.
I believe my analytical and problem-solving skills can be applied in a variety of roles.
I am interested in exploring opportunities in consulting, strategy, or finance where I can make a broader impact.
I want to challenge myself and learn new thin
I am a dedicated and hardworking individual with a passion for problem-solving and helping others.
I have a background in consulting and project management
I excel in communication and teamwork
I am always eager to learn and take on new challenges
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Rating in categories
Software Engineer
23.3k
salaries
| ₹0 L/yr - ₹0 L/yr |
Technical Lead
21.2k
salaries
| ₹0 L/yr - ₹0 L/yr |
Senior Software Engineer
15.8k
salaries
| ₹0 L/yr - ₹0 L/yr |
Lead Engineer
14.9k
salaries
| ₹0 L/yr - ₹0 L/yr |
Analyst
14.4k
salaries
| ₹0 L/yr - ₹0 L/yr |
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