nulls的意思

nulls中文翻譯：

n.無意義暗碼；[電子]零位（null的復數）

v.使無效；取消（null的單三形式）

相似詞語短語

phoxinus fish───石首魚

monuments definition───紀念碑定義

Cont nue───裸體

hazelnut liqueur───榛子酒

micrococcus tetragenus genbank───genbank四屬微球菌

denudation kidney───腎剝脫術

sale revenue───[經] 銷售（貨）收入

coquilla nut carving───椰子雕刻

unusually informed───異常通知

deshabille pronunciation───德沙比利發音

雙語使用場景

CWF fields must be padded with SPACES (not NULLS).───CWF字段必須帶空格(而不是NULL)。

number of NULLs in the column.───列中null值的個數。

The value for the first key is 4 bytes long and it is entirely NULLs.───第一個鍵的值為 4 字節且其完全為 NULL。

Char and binary columns that do not allow nulls are always padded to the length of the column.───始終將不允許為空的char和binary列填充到列長。

Since the requirement is to only suppress nulls, the visual null suppression can be replaced by the Null suppression on the actual query.───因為需求是僅抑制nulls，可視的nullsuppression可由實際查詢上的Nullsuppression替換。

Note that this setting is independent of the nulls setting in the columns contained in the foreign key.───注意該設置與外鍵中所包含列的nulls設置無關。

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，指定列名和新列的數據類型以及該列是否允許空值。

Define a primary key to enforce uniqueness for values entered in specified columns that do not allow nulls .───定義主鍵可以對在不允許空值的指定列中輸入的值強制唯一性。

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.───要執行所有CREATETABLE語句以創建視圖引用的表，ANSI_NULLS選項必須設置為ON。

英語使用場景

Numerical results show the effectiveness of the proposed technique, the null depth levels obtained are lower than those reported in the literatures. Nulls are imposed both at the specified directi...

The character of the eigenvalues of the constraint matrix was aimed, and the character is that the matrix has the same number of larger eigenvalues as number of the nulls that the matrix denoted.

Since the requirement is to only suppress nulls, the visual null suppression can be replaced by the Null suppression on the actual query.

Numerical results show the effectiveness of the proposed technique, the null depth levels obtained are lower than those reported in the literatures. Nulls are imposed both ...

I might want to do more than simply concatenate the values: I might want to check for nulls.

While a normal index can be used, it wastes a lot of space for nulls you are probably not going to query against.