SKYLAB Analytical Laboratory Interview Questions and Answers

Azure and AWS are cloud computing platforms with similar services, but differ in pricing, scalability, and integration.

• Azure is more tightly integrated with Microsoft products, while AWS has a wider range of third-party integrations.

• AWS has a larger market share and more mature services, while Azure is catching up quickly.

• Azure offers more flexible pricing options, while AWS has a more complex pricing structure.

• Azure has better support for hybrid cloud environments, while AWS...read more

AWS and Azure are cloud computing platforms used for hosting, managing and deploying applications and services.

• AWS provides a wide range of services including compute, storage, database, analytics, machine learning, and more.

• Azure offers similar services as AWS but also has a strong focus on integration with Microsoft technologies.

• Both platforms offer scalability, flexibility, and cost-effectiveness for businesses of all sizes.

• Examples of companies using AWS include Netflix, ...read more

Use OFFSET and FETCH clauses in SQL to paginate responses.

• Use OFFSET to skip a specified number of rows before returning the remaining rows.

• Use FETCH to limit the number of rows returned after the OFFSET clause.

• Example: SELECT * FROM table_name ORDER BY column_name OFFSET 10 ROWS FETCH NEXT 10 ROWS ONLY

VLOOKUP is a function in Excel used to search for a value in a table and return a corresponding value from another column.

• VLOOKUP stands for 'Vertical Lookup'

• It is commonly used in Excel to search for a value in the leftmost column of a table and return a value in the same row from a specified column

• Syntax: =VLOOKUP(lookup_value, table_array, col_index_num, [range_lookup])

• Example: =VLOOKUP(A2, B2:D10, 3, FALSE) - searches for the value in cell A2 in the range B2:D10 and retur...read more

Index+match is a combination of Excel functions used to lookup a value in a table based on row and column criteria.

• Index function returns the value of a cell in a table based on the row and column number provided

• Match function returns the position of a value in a range

• Index+match is commonly used instead of Vlookup for more flexibility and accuracy

• Example: =INDEX(A1:D10, MATCH(123, B1:B10, 0), 3) will return the value in the 3rd column of the row where 123 is found in column ...read more