列约束 meaning in English
column constraint
Examples
- The table declaration includes column definitions and column or table constraints
表声明包含列定义和列约束（或表约束） 。 - Returns the columns defined in the catalog that is constrained as keys by a given user
返回在目录中定义的列，给定用户将这些列约束为键。 - The database engine does not enforce an order for specifying default , identity , rowguidcol , or column constraints in a column definition
数据库引擎不强制在列定义中指定default 、 identity 、 rowguidcol或列约束的顺序。