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DBPROP_COLUMNDEFINITION

Property group: Data Source Information

Property set: DBPROPSET_DATASOURCEINFO

Type: VT_I4

Typical R/W: R

Description: Column Definition

A bitmask defining the valid clauses for the definition of a column. The following flag can be set:

DBPROPVAL_CD_NOTNULL ? Columns can be created non-nullable. For providers that support the SQL CREATE TABLE statement, this implies that the NOT NULL clause is supported in general. Individual provider data types may or may not support non-nullable behavior, and the consumer should consult the PROVIDER_TYPES schema rowset for more information.

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