The procedure can return null or non-null values.
该过程可以返回null或非null值。
To enable this feature, change the null values to zero.
要启用该特性，将null值改为0。
If null values are supplied, an error (exception) will occur.
如果提供了null值，将出现一个错误(异常)。
Null - When null values are encountered, print user-provided text.
null-当遇到null值时，打印用户提供的文本。
Optional XML in relational databases, Part 1: Are null values needed?
关系数据库中的可选xml，第1部分：需要null值吗？
To answer this, you need to know a bit about null values in relational databases.
要回答这个问题，您需要对关系数据库中的null值有一定的了解。
This may be in the form of null values or other blank value conditions (for example, spaces).
这可能以null值或其他空白值（例如空格）的形式出现。
LotusScript native data types, such as String, Integer, or Boolean, do not allow null values.
LotusScript原生数据类型(如string、Integer或Boolean)不允许使用null值。
Even when XML includes optional elements, it's still possible to avoid the need for null values.
即使XML包含了可选因素，仍然可以避免使用null值。
For each document in the database that has name and amount fields with non-null values, a result row is created in the view.
对于数据库中包含具有非空值的名称和金额字段的每个文档来说，将在视图中创建一个结果行。
The constructor function has no parameters and returns an instance of the type with all of its attributes set to null values.
构造函数没有参数，并且返回的类型实例中的所有属性都为空。
Note that the test for null values is gone from the for statement, because you want to handle that condition by writing a diagnostic record.
注意，对null值的检查从for语句中消失了，因为希望通过写诊断记录来处理这种情况。
The null values in the dataStore, which would by default show up as cells with the word "undefined" displayed inside, are re-rendered here as empty strings (cells with no data).
dataStore中是空值，默认情况下单元格中显示“undefined”，它将作为空字符串(无数据的单元格)重新呈现。
When a Web service method with a complex type parameter receives a null or an instance with some attributes having null values, Lotus Domino V7.0.2 and Lotus Domino V8 behave differently.
当带有复杂类型参数的Web服务方法收到null或带null值属性的实例时，LotusDominoV7.0.2和Lotus DominoV8的行为不尽相同。
JSON data supports various data types besides objects: strings, null values, Numbers (integer or real), Boolean values, and arrays (comma-separated sequences of values enclosed in square brackets).
JSON支持除对象之外的各种数据类型：字符串、空值、数字(整数或实数)、布尔值和数组(包含在方括号中的逗号分隔的值序列)。
Null values, exceptions, and commit intervals.
null值、异常和提交间隔。
The uniqueness is ensured on the NOT NULL values.
确保NOT NULL 值的惟一性。
The preference attributes of PortletPreferences allows NULL values.
PortletPreferences的preference属性允许空值。
RUNSTATS collects the necessary data to calculate the savings through NULL values.
RUNSTATS收集必要的数据，以计算通过null值节省的空间。
This can lead into additional space savings, if the table contains many NULL values.
如果表中包含很多null值，这样可以节省更多的空间。
NULL values in a column can be replaced by user-defined text using the NULL text option.
可以使用NULLTEXT选项将一个列中的null值替换为用户定义的文本。
Empty arrays should not be confused with NULL arrays or with arrays containing just NULL values.
不应将空阵列与NULL阵列或与只包含null值的阵列混为一谈。
NULL values of compatible data types are treated identically; those of non-compatible data types may not be.
对兼容数据类型的NULL值的处理是完全相同的；对不兼容数据类型的 NULL 值的处理可能不相同。
The information about occurrences of NULL values is stored in the NUMNULLS column of the system catalog view SYSCAT.COLUMNS.
关于null值出现次数的信息存储在系统编目视图syscat .COLUMNS中的NUMNULLS列中。
When a unique index is created on a column in Oracle 10g, it ensures that the NOT NULL values entered in that column are unique.
当在Oracle10g中的列上创建UNIQUE索引时，会确保此列中输入的NOT null值是惟一的。
This may be in the form of Null values or other blank value conditions (for example, Spaces) in situations where the data is required.
如果数据是必需的，这可能以null值或其他空白值(例如空格)的形式出现。
Without value compression, NULL values are stored with the data type inherent fixed size, which is typically larger than the three bytes.
如果不使用值压缩，则null值以数据类型固有的固定大小存储，这通常大于3个字节。
NULL values are stored with only three bytes, if value compression is active. You can expect space savings especially for numeric values.
如果激活值压缩，则null值的存储只需3个字节。
This may be in the form of Null values or other blank value conditions (for examples, Spaces) for one or multiple data elements of the entity.
对于实体的一个或多个数据元素，这可能以null值或空白值(例如空格)的形式出现。
Note that we get an extra row from Query 10, because SQL's group by also produces a group for NULL values, and there is one employee in our sample table with no office information.
请注意，在查询10中多获得了一行，这是因为SQL的groupby函数还为null值生成一个组，我们的示例表中有一名员工没有办公室信息。
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