GlobalLogic Senior Software Engineer 1 Interview Questions and Answers

A view is a virtual table created by a query. CTE stands for Common Table Expression, which is a temporary result set.

• View is a saved SQL query that acts as a virtual table

• CTE is a temporary result set that can be referenced within a query

• Views can be used to simplify complex queries and provide a layer of abstraction

• CTEs are useful for recursive queries or when a result set needs to be referenced multiple times

Linux is an open-source operating system based on Unix. Commands can be added using the terminal or by installing packages.

• Linux is free and can be customized to suit specific needs

• Commands can be added using the terminal by creating a script or alias

• Packages can be installed using package managers like apt-get or yum

• Examples of commands include ls, cd, mkdir, rm, etc.

To insert tabular data in a database, use SQL INSERT statement with appropriate table and column names.

• Use SQL INSERT statement to insert data into a table

• Specify the table name and column names in the INSERT statement

• Provide the values to be inserted for each column

• Ensure the data types of values match the column types

• Consider using prepared statements or parameterized queries for security

• Example: INSERT INTO employee