Because sometimes we need to overwrite a primary or any other unique key column value. This should not be easy, because there could be a lot of reference to this value from other tables. The F_CASCADE ...

This tool enables you to easily visualize column-level reference relationship (so called data lineage) between tables/views stored in Spark SQL. The feature is useful for understanding your data ...

operand is one of the following: constant is a number or a quoted character string (or other special notation) that indicates a fixed value. Constants are also called literals. Constants are described ...