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computed_column_expression

computed_column_expression

computed_column_expression

computed_column_expression

1

Indexes on computed columns can be matched to expressions in a query that are the same as the computed column expression .

可以将计算列的索引和查询中与计算列表达式相同的表达式进行匹配。

2

The ability to match indexes on computed columns to expressions in a query that are the same as the computed column expression .

能够将计算列的索引和查询中与计算列表达式相同的表达式相匹配。

3

Computed_column_expression must be deterministic when PERSISTED is specified .

指定 PERSISTED 时，computed_column_expression 必须具有确定性。

4

How do I find all the columns that are used in a computed column expression ?

如何找到在计算列表达式中使用的所有列？。

5

Can participate if part of a computed column expression .

如果是计算列表达式的一部分，则可以参与。

6

The IsPrecise property of the COLUMNPROPERTY function reports whether a computed_column_expression is precise .

COLUMNPROPERTY 函数的 IsPrecise 属性报告 computed_column_expression 是否精确。

8

How do I determine if a column is used in a computed column expression ?

如何确定某列是否在计算列表达式中使用？

9

A computed_column_expression is deterministic when one or more of the following is true

如果下列一项或多项为真，则 computed_column_expression 具有确定性

10

A computed_column_expression is precise when one or more of the following is true

如果下列一项或多项为真，则 computed_column_expression 是精确的

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