Ananta Resource Management Interview Questions and Answers

Create end to end pipelines in Data Factory with SQL and ASQL as source and target respectively.

• Use Copy Data activity to move data from SQL source to ASQL target

• Define linked services for SQL and ASQL in Data Factory

• Create datasets for SQL and ASQL tables

• Map columns between source and target datasets

• Configure data flow activities for any transformations needed

Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine.

• Node.js uses an event-driven, non-blocking I/O model.

• It has a single-threaded event loop that handles all I/O operations.

• Node.js modules are cached to improve performance.

• It supports both synchronous and asynchronous programming.

• Node.js has a built-in HTTP server module for creating web servers.

• It can be used for building scalable network applications.

Python libraries commonly used by data engineers include Pandas, NumPy, Matplotlib, and Scikit-learn.

• Pandas: Used for data manipulation and analysis.

• NumPy: Provides support for large, multi-dimensional arrays and matrices.

• Matplotlib: Used for creating visualizations and plots.

• Scikit-learn: Offers machine learning algorithms and tools for data analysis.

Delta Lake is an open-source storage layer that brings ACID transactions to Apache Spark and big data workloads.

• Provides ACID transactions for big data workloads

• Ensures data reliability and quality by enabling schema enforcement and data versioning

• Supports batch and streaming data processing

• Improves data quality and reliability by enabling schema enforcement and data versioning

Worker threads are lightweight and share memory, while child processes are heavier and have separate memory spaces.

• Worker threads are useful for tasks that require parallel processing and sharing of data.

• Child processes are useful for tasks that require isolation and fault tolerance.

• Worker threads are faster to create and destroy than child processes.

• Examples of worker thread libraries include pthreads and Java's Executor framework.

• Examples of child process libraries include ...read more

Call, apply and bind are methods used to set the value of 'this' in a function.

• Call and apply are used to invoke a function with a specific 'this' value and arguments passed as an array or list respectively.

• Bind is used to create a new function with a specific 'this' value and arguments passed as an array or list.

• Call and apply are similar, but apply is used when the number of arguments is not known beforehand.

• Bind returns a new function that can be called later with the spec...read more