| 1. | Change the nullability of the column from not null to null
将列的为空性从not null改为null 。 |
| 2. | New columns defined without explicit nullability do not allow nulls
未显式定义为空性的新列不允许使用空值。 |
| 3. | New columns defined without explicit nullability are defined to allow nulls
未显式定义为空性的新列允许使用空值。 |
| 4. | Determines the default value , null or not null , of a column ,
确定在create table或alter table语句中未显式定义为空性的 |
| 5. | You can also set default members for individual roles in custom rules for dimension security
别名类型可以指定特定的数据类型、长度和为空性。 |
| 6. | Alters the behavior of the session to override default nullability of new columns when the ansi null default
时，更改会话行为以覆盖新列的默认为空性。 |
| 7. | Modifies the behavior of the session to override default nullability of new columns when the ansi null default
时，修改会话的行为以覆盖新列的默认为空性。 |
| 8. | The nullability property of arithmetic operators over floating point data type is always nullable
对浮点数据类型执行运算的算术运算符的为空性属性始终可为空。 |
| 9. | If the ansi null default option for the database is false , the default nullability of new columns is overridden
如果数据库的默认ansi null选项为false ，则将忽略新列的默认为空性。 |
| 10. | Static cursors do not reflect updates , deletes , or inserts that are made to underlying data while the cursor is open
为空性( nullability )列、参数或变量的属性，指定其是否允许空数据值。 |
