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I applied via Newspaper Ad and was interviewed in Aug 2023. There was 1 interview round.
SEO is the practice of optimizing a website to improve its visibility and ranking on search engine results pages.
SEO helps increase organic traffic to a website
It improves the website's visibility on search engine results pages
SEO enhances user experience and usability of a website
It helps build credibility and trust for the website
SEO can lead to higher conversion rates and ROI
Examples: optimizing website content, imp...
On-page SEO refers to optimizing elements on a website to improve search engine rankings, while off-page SEO focuses on external factors.
On-page SEO includes optimizing meta tags, headings, content, and URL structure.
Off-page SEO involves building backlinks, social media promotion, and online reputation management.
On-page SEO helps search engines understand the content and relevance of a webpage.
Off-page SEO helps impr...
Meta tags are HTML elements that provide information about a webpage. They are important for SEO as they help search engines understand the content and purpose of the page.
Meta tags are placed in the head section of HTML code.
They provide metadata about the webpage, such as the title, description, and keywords.
Search engines use meta tags to understand the content and relevance of the page.
Meta tags can influence how a...
Keyword research is the process of identifying popular search terms and phrases used by users to optimize website content.
Start by brainstorming relevant topics and themes
Use keyword research tools like Google Keyword Planner, SEMrush, or Moz
Analyze search volume, competition, and relevance of keywords
Consider long-tail keywords for more specific targeting
Identify high-value keywords with low competition
Optimize websit...
Google's algorithm updates are changes made to the search engine's ranking algorithm, which can have a significant impact on SEO strategies and website rankings.
Google's algorithm updates are changes made to the search engine's ranking algorithm.
These updates aim to improve the quality and relevance of search results for users.
Algorithm updates can have a significant impact on SEO strategies and website rankings.
Update...
Duplicate content issues can harm SEO rankings. Handling them involves identifying, consolidating, and redirecting duplicate pages.
Use tools like Screaming Frog or Google Search Console to identify duplicate content
Consolidate duplicate pages by merging them into a single, canonical version
Implement 301 redirects from duplicate URLs to the canonical version
Use rel=canonical tags to indicate the preferred version of a p...
Handling duplicate content involves using canonical tags, 301 redirects, and unique valuable content.
Use canonical tags to specify the preferred version of a page
Set up 301 redirects to redirect duplicate content to the preferred version
Ensure each page provides unique and valuable content
Prevent duplicate content issues to avoid SEO penalties
To handle a sudden drop in organic traffic, I would take the following steps to diagnose the issue.
Check for any recent changes in search engine algorithms
Analyze website analytics data to identify any sudden drops in specific pages or keywords
Review website technical issues such as broken links, slow page speed, or server errors
Examine competitors' activities and rankings to identify any changes in the competitive lan...
Machine learning and AI play a crucial role in SEO by improving search results, optimizing content, and enhancing user experience.
Machine learning algorithms analyze search patterns and user behavior to provide more accurate search results.
AI-powered chatbots can assist users with their queries and improve engagement.
Natural language processing helps in understanding user intent and optimizing content accordingly.
AI ca...
I applied via Walk-in and was interviewed before Nov 2020. There was 1 interview round.
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I was interviewed in Jan 2025.
I was interviewed in Feb 2025.
I was interviewed in Jan 2025.
The exam consists of seven sections, and the cutoff score is quite high; it is essential to complete the exam thoroughly.
I was interviewed in Feb 2025.
I was interviewed in Jan 2025.
I was interviewed in Jan 2025.
Case and decode are conditional expressions in PL/SQL used for data manipulation.
CASE is used for conditional logic in SQL statements, while DECODE is used for conditional logic in SELECT statements.
CASE is more flexible and can handle multiple conditions, while DECODE is limited to one condition.
CASE can be used in both SQL and PL/SQL, while DECODE is specific to SQL.
Example of CASE: SELECT CASE WHEN condition1 THEN r...
Primary key uniquely identifies each record in a table, while foreign key establishes a link between two tables.
Primary key ensures uniqueness and cannot have null values
Foreign key establishes a relationship between tables based on the primary key of another table
Example of primary key: EmployeeID in an Employee table
Example of foreign key: DepartmentID in an Employee table linking to DepartmentID in a Department tabl
Rank assigns unique ranks to each distinct row, while Dense Rank assigns consecutive ranks without gaps.
Rank may have gaps in the ranking sequence, while Dense Rank does not.
Rank assigns the same rank to rows with the same values, while Dense Rank assigns different ranks.
Rank function is non-consecutive, while Dense Rank function is consecutive.
Procedures are used to perform an action, while functions return a value.
Procedures do not return a value, while functions do.
Functions can be called from SQL queries, while procedures cannot.
Functions must return a value, while procedures do not necessarily have to.
No, a package body cannot be used without a package specification.
A package body must always be associated with a package specification.
The package specification defines the public interface of the package, while the package body contains the implementation details.
Attempting to use a package body without a corresponding package specification will result in compilation errors.
Use a SQL query with GROUP BY and HAVING clause to find duplicate values in a database.
Use GROUP BY clause to group the values that are duplicated.
Use HAVING clause to filter out the groups that have more than one occurrence.
Example: SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name HAVING COUNT(*) > 1;
Group by and having clause are used together to filter groups based on specified conditions.
Group by clause is used to group rows that have the same values into summary rows.
Having clause is used to filter groups based on specified conditions.
Example: SELECT department, AVG(salary) FROM employees GROUP BY department HAVING AVG(salary) > 5000;
Substr function extracts a substring from a string, while Instr function returns the position of a substring within a string.
Substr function syntax: SUBSTR(string, start_position, length)
Example: SUBSTR('Hello World', 7, 5) will return 'World'
Instr function syntax: INSTR(string, substring)
Example: INSTR('Hello World', 'World') will return 7
Writing a SQL query with a subquery involves nesting one query inside another to retrieve specific data.
Start by writing the main query that will retrieve the primary data
Identify the criteria for the subquery to filter the results
Enclose the subquery within parentheses and use it in the WHERE or FROM clause of the main query
Ensure that the subquery returns a single value or a single column result
Char is fixed length, varchar is variable length with max 4000 bytes, varchar2 is variable length with max 32767 bytes.
Char is fixed length and always right-padded with spaces, while varchar and varchar2 are variable length.
Varchar can store up to 4000 bytes of data, while varchar2 can store up to 32767 bytes.
Char is less efficient in terms of storage compared to varchar and varchar2.
No, it is not possible to combine two tables with differing data and columns without utilizing joins.
Joins are necessary to combine tables based on a common column or key.
Different data and columns require a join to match and merge the data properly.
Examples of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
Yes, it is possible to update data in a view using INSTEAD OF triggers.
Views are virtual tables that display data from one or more tables.
By using INSTEAD OF triggers, you can update data in a view by specifying the logic to handle the update operation.
The trigger intercepts the update operation on the view and executes the specified logic to update the underlying tables.
For example, you can create an INSTEAD OF trigge...
TCS is a global IT services company known for its innovative solutions and commitment to employee growth.
TCS has a strong reputation in the IT industry for delivering high-quality services.
TCS offers opportunities for professional growth and development through training programs and career advancement.
TCS has a diverse and inclusive work culture that values teamwork and collaboration.
A dynamic cursor in database management allows for the execution of different SQL queries at runtime.
Dynamic cursors are used when the SQL query to be executed is not known until runtime.
They allow for flexibility in querying the database based on user input or other conditions.
Dynamic cursors can be used to handle varying result sets or conditions in a more efficient manner.
Example: Using a dynamic cursor to search fo...
Yes, I have performed performance tuning by identifying bottlenecks and optimizing queries.
Identified slow queries using tools like SQL Trace, Explain Plan, and AWR reports.
Optimized queries by adding indexes, rewriting SQL statements, and reducing unnecessary data retrieval.
Tuned PL/SQL code by using bulk processing, minimizing context switches, and optimizing loops.
Utilized database features like partitioning and mat
A package in PL/SQL is a collection of related procedures, functions, variables, and other constructs.
A package consists of two parts: package specification and package body.
The package specification defines the public interface of the package, including declarations of variables, constants, cursors, procedures, and functions.
The package body contains the actual implementation of the procedures and functions declared i...
I am excited about the opportunity to work with a global leader like TCS and contribute to innovative projects.
TCS is a renowned global company with a strong reputation in the IT industry
I am impressed by TCS's commitment to innovation and cutting-edge technology
I believe TCS offers great opportunities for professional growth and development
I am excited about the chance to work on diverse and challenging projects at TC
I prefer to discuss my salary expectations based on the responsibilities and requirements of the position.
Focus on discussing salary expectations based on the job responsibilities and requirements.
Avoid disclosing specific current salary package.
Emphasize the importance of fair compensation based on market rates and skills.
Provide examples of successful projects or achievements that demonstrate your value.
Discuss oppor...
I am looking for a competitive salary package based on my experience and skills.
I am open to discussing salary based on the responsibilities and requirements of the role.
I have researched the average salary range for Plsql Developers in this location.
I am looking for a package that includes benefits such as healthcare, retirement plans, and professional development opportunities.
Yes, I am comfortable with shift work and have experience working various shifts.
I have previous experience working different shifts in my current/previous roles.
I am flexible with my schedule and can easily adapt to changing shift patterns.
I understand the importance of shift work in ensuring 24/7 coverage for critical systems.
Yes, I am open to any location for the Plsql Developer position.
I am willing to relocate for the right opportunity
I am open to working in different cities or countries
I am flexible with travel requirements for the job
I was interviewed in Jan 2025.
A sequence was provided: 4181, 2684, 1597, 987, 610.
first 2 are given and write code for other value calculation using java 8
The second question required writing a reverse of a palindrome using both Java 8 streams. I was able to successfully write both and clear the first round.
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.
Subclasses of a sealed class must be either final or sealed themselves.
Errors may occur when trying to extend a sealed class with a non-permitted subclass.
Implementation of 'notify me if item is back in stock' feature in an ecommerce application
Create a database table to store user notifications for out-of-stock items
Implement a service to check item availability and send notifications to subscribed users
Provide a user interface for users to subscribe to notifications for specific items
posted on 4 Feb 2025
I was interviewed in Jan 2025.
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