SQL Server provides a number of data types that support all types of data that you may want to store. As you may have guessed, data type is an attribute that specifies the type of data that a column can store. It can be an integer, character string, monetary, date and time, and so...
Data typeSQL Server 数据类型说明 SRVBIGBINARY binary binary 数据类型,长度为 0 至 8000 个字节。 SRVBIGCHAR char character 数据类型,长度为 0 至 8000 个字节。 SRVBIGVARBINARY varbinary 长度可变的 binary 数据类型,长度为 0 至 8000 个字节。 SRVBIGVARCHAR va...
Data types that might convert poorly Most datetime types should work, except for datetimeoffset. Most numeric data types are supported, but conversions might fail for money and smallmoney. varchar is supported, but because SQL Server uses Unicode as a rule, use of nvarchar and other Unicode text...
如果 DATA_TYPE 是DBTYPE_NUMERIC 或DBTYPE_DECIMAL,對應的 NUMERIC_PRECISION 和NUMERIC_SCALE 必須是有效的非 Null 值。 從選擇性 INDEXES 結構描述資料列集,SQL Server 會根據上述規則設定限制,以在指定的遠端資料表上尋找索引。 從找到的相符索引項目,SQL Server 會擷取 TABLE_CATALOG、TABLE_SCHEMA、TAB...
DBMS and version Types MySQL 5.7 TINYINT(1) PostgreSQL 9.5 BOOLEAN SQL Server 2014 BIT Oracle 11g BOOLEANBinary large object Type:A binary string is a sequence of octets that does not have either a character set or collation associated with it and is described by a binary data type ...
The Database Engine stores Unicode data as 2 bytes, regardless of locale. This is known as UCS-2 encoding. For some locales, the implementation of SCSU compression in SQL Server can save up to 50 percent in storage space.Supported data types...
microtechpoint首席执行官创始人brian alderman mctmodule 3 sql server data types 3SQLServer数据类型FunctionOD1.pdf,Exact numeric Unicode characters Approximate numeric Binary strings Date and time Other Character strings • Decimal/numeric are functional
This article provides a summary of the different data types available in the SQL Server Database Engine.
sysname:SQL Server中对象名称通常都是该类型,是nvarchar(128)的别名 Collation用来控制在SQL Server中存储的非Unicode数据使用的代码页,以及SQL Server中排序和比较字符值时使用的规则 code pages代码页:在计算机中每个字符使用一个字节,共有256个字符,0-31作为控制字符,比如回车(8)、Tab(9)、空格(32),一直到Delet...
MS SQL Server Data Types String Data Types Data typeDescriptionMax char lengthStorage char(n)Fixed-length non-Unicode character data (n must be between 1 and 8000)8,000n bytes (uses one byte for each character) varchar(n)Variable-length non-Unicode character data (n must be between 1 and...