Landis+Gyr Senior Quality Assurance Engineer 2 Interview Questions and Answers

I write SQL queries by first identifying the data I need to retrieve, then structuring the query using SELECT, FROM, WHERE, and other clauses.

• Identify the data needed for the query

• Use SELECT to specify the columns to retrieve

• Use FROM to specify the tables to query from

• Use WHERE to filter the results based on conditions

• Use JOIN to combine data from multiple tables if needed

• Use GROUP BY and HAVING for aggregating data

• Use...read more