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Select (Index) Columns Dialog Box

Use this page to add columns to the Index Properties General page when creating or modifying an index.

To access this dialog box, in Object Explorer, expand Databases, expand your database, expand Tables, expand your selected table, expand Indexes, right-click an index, and then click either New Index, or Properties. In the New Index or Index Properties page, click Add to open the Select Columns from <table name> dialog box.

Check box

Select to add columns.


Name of the column.

Data Type

The data type of the column.


The size of the column in bytes.


Displays Yes for identity columns, and No when the column is not an identity column.

Allow Nulls

Displays Yes when the table definition allows null values for the column. Displays No when the table definition does not allow nulls for the column.