Smart Energy Water Production Engineer Interview Questions and Answers for Experienced

Find the two maximum numbers in an array of strings.

• Convert the array of strings to an array of integers.

• Sort the array in descending order.

• Return the first two elements of the sorted array.

Primary key uniquely identifies a record in a table, while foreign key establishes a link between two tables.

• Primary key is used to enforce data integrity and ensure uniqueness of records.

• Foreign key is used to establish relationships between tables and enforce referential integrity.

• A table can have only one primary key, while it can have multiple foreign keys.

• Primary key can be used as a foreign key in another table.

• E...read more

REST API is lightweight and flexible, while SOAP is more structured and secure.

• REST uses HTTP protocol and supports multiple data formats like JSON, XML, etc.

• SOAP uses XML protocol and supports only XML data format.

• REST is faster and consumes less bandwidth than SOAP.

• SOAP has built-in security features like WS-Security and WS-Trust.

• REST is easier to implement and maintain than SOAP.

• SOAP is better suited for enterprise-...read more