• 字符序(Collation)是指在同一字符集内字符之间的比较规则; • 确定字符序后,才能在一个字符集上定义什么是等价的字符,以及字符之间的大小关系; • 每个字符序唯一对应一种字符集,但一个字符集可以对应多种字符序,其中有一个是默认字符序(Default Collation); • MySQL中的字符序名称遵从命名惯例:以字符...
On SQL_Latin1_General_CP1_CI_AS SQL Server 2008 Default Collation One trigger for all tables One-part name VS two-part name Only functions and extended stored procedures can be executed from within a function. Open Query VS Exec at OPENJSON returning NULL OPENQUERY and Active Directory problem...
Specifies the default collation for the database. Collation name can be either a Windows collation name or a SQL collation name. If not specified, the database is assigned the default collation of the instance of SQL Server. A collation name cannot be specified on a database snapshot. A co...
Gets or sets the default collation used by the database. 命名空間:Microsoft.SqlServer.Management.Smo 組件:Microsoft.SqlServer.Smo (在 Microsoft.SqlServer.Smo.dll 中) 語法 C# [SfcPropertyAttribute(SfcPropertyFlags.Expensive)]publicstringCollation {get;set; } ...
SQL Server Column Collation和Database collation不一致 数据库collation,一、数据库介绍概念:数据库(DataBase简称DB)就是按照数据结构来组织、存储和管理数据的仓库。特性:(1)原子性(Atomicity):原子性是指事务是一个不可分割的工作单位,事务中的操作要么全部成功
[DEFAULT] COLLATE:指定字符集的默认校对规则。 MySQL 的字符集(CHARACTER)和校对规则(COLLATION)是两个不同的概念。字符集是用来定义 MySQL 存储字符串的方式,校对规则定义了比较字符串的方式。后面我们会单独讲解 MySQL 的字符集和校对规则。 实例1:最简单的创建 MySQL 数据库的语句 ...
The CREATE DATABASE and ALTER DATABASE statements have optional clauses for specifying the database character set and collation: CREATE DATABASE db_name [[DEFAULT] CHARACTER SET charset_name] [[DEFAULT] COLLATE collation_name] ALTER DATABASE db_name [[DEFAULT] CHARACTER SET charset_name] [[...
[DEFAULT] COLLATE collate_name 设置数据库的校对规则(collation)。 {READ ONLY | READ WRITE} 指定数据库的读写属性。 READ ONLY:将数据库设置为只读模式,禁止对数据库进行写操作。 READ WRITE:将数据库设置为读写模式,允许对数据库进行读写操作。 [DEFAULT] TABLEGROUP {table_group_name | NULL} 指定数据...
Now if we create a column, its default collation will be this Chinese collation, but we can choose another one if we want: SQL CREATETABLEMyTable (mycolumn1nvarchar, mycolumn2nvarcharCOLLATEFrisian_100_CS_AS); GOSELECTname, collation_nameFROMsys.columnsWHEREnameLIKE'mycolumn%'; GO ...
When a database collation is changed, only new tables inherit the new database collation by default. There are several alternatives to convert existing data to the new collation:Convert data in-place. To convert the collation for a column in an existing table, see Set or Change the Column ...