1.没有价值的;无用的
2.【法】无法律效力的
3.【科技】没有
4.【数】相当于数字零的
5.【逻,数】空集的
6.无特点的
1.没有价值的;无用的
2.【法】无法律效力的
3.【科技】没有
4.【数】相当于数字零的
5.【逻,数】空集的
6.无特点的
1.【数】数字零
2.【计】空位;空白符号
3.【电子】无信号
4.〈比喻〉空虚
1.【数】数字零
2.【计】空位;空白符号
3.【电子】无信号
4.〈比喻〉空虚
1.抵消
2.【法】〈罕〉宣布无效
3.〈罕〉彻底消灭
1.with no value or effect
2.[Law]of no legal or binding force
3.[Sci-Tech]amounting to nothing
4.[Mathematics]having or associated with the value zero
5.[Logic,Mathematics]of a class or set: having no members
6.lacking distinctive qualities, traits, or characteristics
1.with no value or effect
2.[Law]of no legal or binding force
3.[Sci-Tech]amounting to nothing
4.[Mathematics]having or associated with the value zero
5.[Logic,Mathematics]of a class or set: having no members
6.lacking distinctive qualities, traits, or characteristics
1.[Mathematics]a zero
2.[Computer]a character which produces no effect or action but is used to fill up a space or to separate pieces of information
3.[Electronics]a condition of no signal
4.<figurative>a state of emptiness, featurelessnes
1.[Mathematics]a zero
2.[Computer]a character which produces no effect or action but is used to fill up a space or to separate pieces of information
3.[Electronics]a condition of no signal
4.<figurative>a state of emptiness, featurelessnes
1.to cancel out or remove (a force, effect, signal, etc)
2.[Law]<rare>to annul or cancel
3.<rare>to destroy or efface completely
1.Char and binary columns that do not allow nulls are always padded to the length of the column.
始终将不允许为空的char和binary列填充到列长。
2.Since the requirement is to only suppress nulls, the visual null suppression can be replaced by the Null suppression on the actual query.
因为需求是仅抑制nulls，可视的nullsuppression可由实际查询上的Nullsuppression替换。
3.Note that this setting is independent of the nulls setting in the columns contained in the foreign key.
注意该设置与外键中所包含列的nulls设置无关。
4.Add table columns , and specify the column name and data type of the new column, as well as whether the column allows nulls .
添加表列，指定列名和新列的数据类型以及该列是否允许空值。
5.Define a primary key to enforce uniqueness for values entered in specified columns that do not allow nulls .
定义主键可以对在不允许空值的指定列中输入的值强制唯一性。
6.The ANSI_NULLS option must have been set to ON for the execution of all CREATE TABLE statements that create tables referenced by the view.
要执行所有CREATETABLE语句以创建视图引用的表，ANSI_NULLS选项必须设置为ON。
7.Analysis Services ignores nulls when calculating the maximum value in a set of numbers.
计算一组数值的最大值时，AnalysisServices将忽略空值。
8.The bcp command and BULK INSERT statement both allow you to specify that nulls values be retained.
bcp命令和BULKINSERT语句都允许指定保留空值。
9.RPG uses a 1 character field (like an indicator) to determine if a column contains nulls.
RPG使用一个1字符字段（比如一个指示符）来确定列是否包含空值。
10.The aggregate uses custom serialization, has a maximum size of 8000 bytes when serialized, and is invariant to nulls, duplicates, and order.
该聚合使用自定义序列化，在进行序列化时具有8000字节的最大大小，且与空值、重复值和顺序无关。