Assertion: column | /r/HasProperty | indexed
Facets:
Source sentences:
text: Any computed column that contains a common language runtime (CLR) expression must be deterministic and marked PERSISTED before the column can be indexed.
text: If there are just a few columns in your dataset, you can use the Visualize option to see the first 100 rows and then figure out which column is index 1, 2, and so forth.
text: So it is most important step to select which columns to be indexed.
text: In short, such columns should be indexed against which you are required to search particular records.
text: This can be much useful for determining how to write optimized queries, and whether the columns are needed to be indexed.
text: Whether the column is indexed: If COLUMN_KEY is empty, the column either is not indexed or is indexed only as a secondary column in a multiple-column, nonunique index.