FORTUNE CAPITAL SERVICES SQL Developer Interview Questions and Answers

Q1. Difference between delete and truncate
Ans. 
Delete removes specific rows from a table, while truncate removes all rows from a table.
• Delete is a DML command, while truncate is a DDL command.

• Delete is slower as it logs individual row deletions, while truncate is faster as it deallocates the data pages.

• Delete can be rolled back, while truncate cannot be rolled back.

• Delete can have a WHERE clause to specify conditions, while truncate removes all rows without any con...read more
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Q1. What is identify property
Ans. 
Identity property is used in SQL to automatically generate unique values for a column.
• Identity property is used to create an auto-incrementing column in a table.

• It is commonly used as a primary key in a table.

• The identity property can be applied to numeric data types such as INT, BIGINT, etc.

• The identity value starts from a seed value and increments by a specified increment value.

• Example: CREATE TABLE Employees (ID INT
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Q2. What is synonyms what is use of it?
Ans. 
Synonyms are database objects that allow users to create aliases for other database objects.
• Synonyms can be used to simplify complex queries by providing a shorter name for a table or view.

• They can also be used to provide a layer of abstraction between the user and the underlying database objects.

• Synonyms can be created for tables, views, stored procedures, and other database objects.

• They can be used to reference objec...read more
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Q1. What is index what is use off it
Ans. 
An index is a database object that improves the speed of data retrieval operations on a table.
• Indexes are used to quickly locate data without having to search every row in a table.

• They are created on one or more columns of a table.

• Indexes can be clustered or non-clustered.

• Clustered indexes determine the physical order of data in a table.

• Non-clustered indexes are separate structures that contain a copy of the indexed co...read more
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Q1. What is difference between tempory table and table variable
Ans. 
Temporary tables are stored in tempdb while table variables are stored in memory.
• Temporary tables are created using CREATE TABLE statement while table variables are declared using DECLARE statement.

• Temporary tables can be accessed across sessions while table variables are limited to the scope of the batch, stored procedure or function.

• Temporary tables can have indexes and constraints while table variables cannot.

• Tempor...read more
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Q1. What is synonyms what is use off it
Ans. 
Synonyms are alternate names for database objects. They are used to simplify queries and provide security.
• Synonyms are used to provide an alternate name for a database object such as a table, view, stored procedure, or function.

• They can simplify queries by providing a shorter or more meaningful name for an object.

• Synonyms can also be used to provide security by allowing users to access an object without knowing its act...read more
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Q1. Total subject about sql and power bi
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Q1. What is the full stack development?
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Q2. Involves working n both the frontend and backend(server) of a web application.
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Q1. They ask me about my previous job description details and education details
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Q2. About carrier goals
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Q3. About my responsibility in side the current company
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Q1. They ask me about core concept of react js and next js
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Q2. Ask me about core concepts of mongo Db and Node js
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Q1. They told me about company curriculum, goals and ethics
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Q1. Coding question related to js
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Q2. Basic theory questions of js
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1st round was aptitude round average level of question

2nd round was coding round and the level of question were easy to hard

Q1. Tell me about yourself
Ans. 
I am a front end developer with 5 years of experience in creating user-friendly and visually appealing websites.
• 5 years of experience in front end development

• Proficient in HTML, CSS, and JavaScript

• Strong understanding of responsive design principles

• Experience with front end frameworks like React and Angular

• Ability to collaborate with designers and backend developers to implement website features

• Portfolio showcasing pre
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Q2. Why do you want to join Webdew
Ans. 
I want to join Webdew because of their reputation for innovative web development and their focus on creating user-friendly experiences.
• Webdew has a strong track record of delivering cutting-edge web development projects.

• I am impressed by their portfolio of user-friendly websites and applications.

• I believe joining Webdew will provide me with opportunities to learn and grow as a front-end developer.

• Their company culture ...read more
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Q3. What were your day-to-day responsibilities at your last job?
Ans. 
As a front end developer, my day-to-day responsibilities at my last job included designing and developing user interfaces, collaborating with the design team, and ensuring cross-browser compatibility.
• Designing and developing user interfaces

• Collaborating with the design team

• Ensuring cross-browser compatibility
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Q1. What are hooks in WordPress and what type hooks available?
Ans. 
Hooks in WordPress are functions that allow developers to modify the behavior of WordPress core, themes, and plugins.
• There are two types of hooks: action hooks and filter hooks.

• Action hooks allow developers to execute code at specific points in the WordPress core, themes, and plugins.

• Filter hooks allow developers to modify data before it is displayed to the user.

• Examples of hooks include 'wp_head', 'wp_footer', and 'th
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Q2. What you will do if website gets hacked?
Ans. 
I will immediately take the website offline and assess the damage. Then I will work on fixing the vulnerabilities and restoring the website.
• Take the website offline

• Assess the damage

• Identify the vulnerabilities

• Fix the vulnerabilities

• Restore the website

• Implement security measures to prevent future attacks
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