varchar

varchar

 英

  • 網絡變長字符串;可變長度;數據類型

例句

More Detail: A page would be displayed where a user can enter their email address and a reference (mandatory - string - varchar(100)).

更多詳情一個頁面顯示其中一個用戶可以輸入他們電子郵件地址引用強制--varchar(100))。

At the beginning of each char or varchar field, bcp adds the prefix length.

每個char字段varchar字段開頭bcp添加前綴長度

The index key of a clustered index cannot contain varchar columns that have existing data in the ROW_OVERFLOW_DATA allocation unit.

聚集索引索引不能包含ROW_OVERFLOW_DATA分配單元具有現有數據varchar

In a VARCHAR column, the XML Extender only stores documents up to 3KB in size -- a limit which is hard to guarantee in many applications.

VARCHARXML擴展存儲最大3KB文檔-許多應用程序限制很難得到保證

If you know the UTF-8 encoding of a character, you can also use this method to enter Unicode characters in a CHAR or VARCHAR column.

如果知道字符UTF-8編碼可以這種方法CHARVARCHAR輸入Unicode字符

VARCHAR Stores single-byte or multibyte text strings of varying length (up to 255 bytes); supports code-set order collation of text data.

VARCHAR存儲可變長度字節字節文本字符串最高255字節);整理文本數據支持使用代碼順序

For instance, a String attribute of an entity could be implemented as a CHAR, VARCHAR, or TEXT type of column.

例如可以實體String類型屬性實現CHARVARCHARTEXT類型

First, the CHAR type has a maximum length of 254 characters, whereas the VARCHAR type can hold up to 32, 672 characters.

首先CHAR類型最大長度254字符VARCHAR類型最多可以容納32,672字符

Trailing blanks in character values inserted into a varchar column are trimmed.

剪裁插入varchar字符尾隨空格

With a VARCHAR, the number of characters can vary, and no extra padding is performed.

使用VARCHAR字符數量可變執行額外填充

By default, an empty string is interpreted as an empty string in INSERT or assignment statements on data of the varchar data type.

默認情況對于varchar數據類型數據INSERT賦值語句字符串解釋字符串

But, you could decide to index book prices as VARCHAR, as shown in Table 3.

但是可以書籍價格作為VARCHAR進行索引3

The length of a VARCHAR(n) index is a hard constraint.

VARCHARn索引長度一個強制約束

In concatenating data of the varchar, char, or text data types, the empty string is interpreted as an empty string.

串聯varcharchartext數據類型數據字符串解釋字符串

Server_name This varchar(128) parameter specifies the name of the remote server that is being used to connect to the remote database.

server_namevarchar(128)參數指定用于連接遠程數據庫遠程服務器名稱

We also specify that the function will return a VARCHAR(42), which is large enough to hold the concatenated address attributes.

指定函數返回一個足以保留連接地址屬性VARCHAR(42)。

Separate structures are used to hold the allocated, stored, and untruncated lengths of LONG BINARY and LONG VARCHAR data types.

使用單獨結構保存LONGBINARYLONGVARCHAR數據類型分配長度存儲長度截斷長度

Since logically the XML column appears the same as a VARCHAR, CLOB, or BLOB column, the INSERT statements are also similar.

因為從邏輯上XMLVARCHARCLOBBLOB相似所以INSERT語句也是相似

Additional information is logged for long varchar and LOB fields in a database enabled for roll-forward recovery.

對于為了恢復數據庫啟用longvarcharLOB字段這樣附加信息記錄日志

If the values are of type VARCHAR or a numerical data type, which can be converted to type VARCHAR, the resulting type is VARCHAR.

如果VARCHAR類型數值數據類型可以轉換VARCHAR類型),結果類型VARCHAR

Any char and varchar values that are transferred between sql_variant columns may have code page conversion issues.

sql_variant之間傳輸任何charvarchar可能存在代碼轉換問題

The groups will be identified by VARCHAR values but can as well be defined as integers.

通過VARCHAR識別分組可以分組定義整數

Sybase: If the source table has a column data type of LONG VARCHAR, the nickname is created with a data type of VARCHAR(32672).

Sybase如果具有數據類型LONGVARCHAR就要數據類型VARCHAR(32672)創建別名

We strongly recommend that you use VARCHAR in the consolidated database rather than CHAR.

我們強烈建議統一數據庫使用VARCHAR不是CHAR

Text indexes can be created on a range of data types from small VARCHARs to large BLOBs that contain text objects.

文本索引可以廣泛范圍數據類型創建包括小型VARCHAR大型BLOB包含文本對象數據類型

Native (database) data types, except in char, varchar, and text columns, in which data is stored as Unicode.

數據庫數據類型除了charvarchartext以外數據存儲Unicode

pb produced when changes varchar field length, we also need amendments to a dw, more trouble.

pb制作修改varchar字段長度我們需要一個個修改dw比較麻煩

There is a code page conversion to the SQL world if the value is serialized into a CHAR, VARCHAR, or CLOB type that is not FOR BIT DATA.

如果串行化為不是FORBITDATACHARVARCHARCLOB類型那么一個SQL世界代碼轉換

Default parameter values can be specified for CLR functions except for varchar(max) and varbinary(max) data types.

可以varcharmaxvarbinarymax數據類型之外CLR函數指定默認參數

Is a string expression of type char, varchar, or varchar(max) defined on a tertiary SQL collation.

針對第三SQL排序規則定義類型charvarcharvarcharmax字符串表達式

THE CAST, CONVERT, and COLLATE functions are collation sensitive for char, varchar, and text data types.

對于charvarchartext數據類型CASTCONVERTCOLLATE函數區分排序規則

The index key limit might be reduced when you are using VARCHAR or VARGRAPHIC data type.

使用VARCHARVARGRAPHIC數據類型索引限制可能減少

You can only define an index on a column defined with VARCHAR(1021).

只能VARCHAR(1021)定義定義索引

You can choose to make the underlying storage a CLOB column, a VARCHAR column, or files within the file system.

選擇CLOBVARCHAR文件系統文件用作基礎存儲

For example, a field containing a variable-length string with a maximum length of 20 characters would be represented as "varchar(20)" .

例如一個包含可變長度字符串最大長度20字符字段表示varchar(20)”。

In this case, the customer's status is captured in an SQL VARCHAR column.

這個例子客戶狀態SQLVARCHAR捕捉

Connection group names support any valid value of type VARCHAR in the underlying repository database.

連接名稱可以底層存儲庫數據庫允許任何VARCHAR類型

Trailing blanks in character values inserted into varchar columns are not trimmed.

剪裁插入varchar字符尾隨空格

A way to work around this is to cast the return of the query to a VARCHAR using a cast function.

解決問題一種方法使用轉型函數查詢返回數據轉型VARCHAR

varchar columns will become text inputs, booleans map onto HTML checkboxes, etc.

varchar變成文本輸入boolean變量映射HTML復選框等等

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