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I applied via Approached by Company and was interviewed in May 2024. There was 1 interview round.
A bloom filter in HBase is a data structure used to test whether a given element is a member of a set.
Bloom filters are used to reduce the number of disk reads in HBase by quickly determining if a row may exist in a table.
They are implemented as a compact array of bits, with multiple hash functions used to map elements to bits.
Bloom filters can produce false positives but not false negatives, making them useful for pre...
Use dropDuplicates() function in pyspark to remove duplicate rows based on primary key.
Use dropDuplicates() function on the DataFrame with the primary key column specified.
Specify the subset parameter in dropDuplicates() to specify the primary key column.
Example: df.dropDuplicates(['primary_key_column'])
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I applied via Approached by Company and was interviewed before May 2023. There were 2 interview rounds.
SQL is a domain-specific language used for managing and manipulating relational databases.
SQL stands for Structured Query Language
It is used to communicate with databases to perform tasks such as querying data, updating data, and creating databases
Performance tuning in SQL involves optimizing queries, indexes, and database design to improve speed and efficiency
Examples of performance tuning techniques include using ind...
I applied via Naukri.com and was interviewed in Dec 2021. There was 1 interview round.
I am a software developer with 5 years of experience in developing web applications using Java, JavaScript, and SQL.
5 years of experience in software development
Proficient in Java, JavaScript, and SQL
Developed web applications for various clients
Strong problem-solving skills
Excellent team player
As a Software Developer, my roles and responsibilities include designing, developing, testing, and maintaining software applications.
Designing and developing software applications based on client requirements
Testing and debugging code to ensure functionality and performance
Collaborating with team members to brainstorm and implement new features
Maintaining and updating existing software applications
Staying up-to-date wi
Bug lifecycle involves identification, reporting, fixing, retesting, and closing of software bugs.
Identification: Bug is identified by testers or users through testing or real-world usage.
Reporting: Bug is reported to developers with detailed information like steps to reproduce.
Fixing: Developers analyze and fix the bug in the code.
Retesting: Testers verify the fix to ensure the bug is resolved.
Closing: Bug is closed o
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
Functions return a single value, while stored procedures can perform multiple operations and return multiple values.
Functions return a single value, while stored procedures can return multiple values.
Functions are called in SQL statements, while stored procedures are called using EXECUTE statement.
Functions cannot have output parameters, while stored procedures can have output parameters.
Functions cannot modify server ...
Custom exceptions can be implemented in MVC by creating a new class that inherits from Exception class.
Create a new class that inherits from Exception class
Override the constructor to pass a custom message to the base Exception class
Throw the custom exception in the MVC controller or service layer
FIFO stands for First In, First Out. LIFO stands for Last In, First Out.
FIFO is a method for organizing and manipulating a data buffer, where the first element added is the first to be removed.
LIFO is a method where the last element added is the first to be removed.
FIFO is like a queue, while LIFO is like a stack.
Example: In a FIFO queue, if elements A, B, and C are added in that order, they will be removed in the same...
I applied via Referral and was interviewed in Aug 2024. There was 1 interview round.
I applied via Walk-in and was interviewed in Jul 2024. There were 2 interview rounds.
Model classes in UIKit are used to represent data in an application's user interface.
Model classes in UIKit typically subclass NSObject and are used to store and manage data for views.
They can include properties to represent different data fields, methods to manipulate the data, and sometimes protocols for delegation.
For example, a model class for a user profile in a social media app might have properties like username...
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I applied via Approached by Company and was interviewed in Jun 2024. There was 1 interview round.
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