Supervisory Service Engineer Interview Questions and Answers

Production in industry refers to the process of manufacturing goods or providing services on a large scale.

• Production is essential for meeting the demand of products or services in the market.

• It involves converting raw materials or inputs into finished goods or outputs.

• Production can be manual or automated, depending on the industry and technology used.

• Efficient production processes can lead to cost savings and increased profitability.

• Examples of production in industry includ...read more

A left join in SQL returns all records from the left table and matching records from the right table.

• Left join is used to combine two tables based on a common column.

• All records from the left table are returned, and matching records from the right table are included.

• If there is no match in the right table, NULL values are returned.

• Syntax: SELECT * FROM table1 LEFT JOIN table2 ON table1.column = table2.column;

• Example: SELECT * FROM customers LEFT JOIN orders ON customers.custo...read more