Explain the role of generated columns in data processing and provide an example of how you would use a generated column to enhance data analysis in a Delta Lake table.

Simulated

Generated columns are used to store static data that does not change, enhancing data consistency.

4.8%

Generated columns are created by defining a rule or expression that generates the column's values based on other columns, enhancing data analysis by providing computed fields.

86.7%

Generated columns are automatically populated by the system based on the data type of existing columns.

6.8%

Generated columns are used to encrypt data in Delta Lake tables, ensuring data security.

1.7%

Databricks Certified Data Engineer - Associate

Get started today

Comments

Explain the role of generated columns in data processing and provide an example of how you would use a generated column to enhance data analysis in a Delta Lake table.