现在,从 SQL Server 2005 或更高版本恢复已删除的数据非常容易。(注意:此脚本可以恢复以下数据类型并与 CS 排序规则兼容)。 代码语言:txt AI代码解释 让我用简单的例子来解释这个问题。 代码语言:txt AI代码解释 --Create Table Create Table [Test_Table] ( [Col_image] image, [Col_text] text, [Col_un...
Binary collations sort data based on the sequence of coded values that are defined by the locale and data type. They're case-sensitive. A binary collation in SQL Server defines the locale and the ANSI code page that are used. This enforces a binary sort order. Because they're relatively ...
SQL_MAX_TABLES_IN_SELECT SQL_MAX_USER_NAME_LEN 标量函数信息 InfoType 参数的以下值返回有关数据源和驱动程序支持的标量函数的信息。 有关标量函数的详细信息,请参阅 附录E:标量函数。 SQL_CONVERT_FUNCTIONS SQL_NUMERIC_FUNCTIONS SQL_STRING_FUNCTIONS SQL_SYSTEM_FUNCTIONS SQL_TIMEDATE_ADD_INTERVALS SQL_TIME...
Binary collations sort data based on the sequence of coded values that are defined by the locale and data type. They're case-sensitive. A binary collation in SQL Server defines the locale and the ANSI code page that are used. This enforces a binary sort order. Because they're relatively ...
The value returned by expression replaces the existing value in column_name or @variable.Note When referencing the Unicode character data types nchar, nvarchar, and ntext, 'expression' should be prefixed with the capital letter 'N'. If 'N' isn't specified, SQL Server converts the string ...
If the compatibility level of a user database was 90 before upgrade, in the upgraded database, the compatibility level is set to 100, which is the lowest supported compatibility level in SQL Server 2017 (14.x). The compatibility levels of the tempdb, model, msdb, and Resource databases are...
DELTA_PARTITION_SCHEMA_IN_ICEBERG_TABLES、DELTA_REPLACE_WHERE_IN_OVERWRITE、DELTA_REPLACE_WHERE_WITH_DYNAMIC_PARTITION_OVERWRITE、DELTA_REPLACE_WHERE_WITH_FILTER_DATA_CHANGE_UNSET、DELTA_STARTING_VERSION_AND_TIMESTAMP_BOTH_SET、DELTA_TABLE_LOCATION_MISMATCH、DELTA_UNSUPPORTED_TIME_TRAVEL_MULTIPLE_FORMATS、...
Array data type in SQL server Array's IN SQL SERVER? ASCII values for extended characters Assign empty string '' if datetime is null Assign EXEC output to Variable Assigning NULL value to column name using Case Statement of where is SQL SERVER 2008 atomic if not exists() and insert or upd...
In SQL Server, the first argument is called thedatepart, and it uses keyword values that don’t require quotes. Functions comparison Access queries can contain calculated columns that sometimes useAccess Functionsto get results. When you migrate queries to SQL Server, you need to ...
Xp_regremovemultistring Xp_regwrite 这些函数的使用方法举例如下: exec xp_regread HKEY_LOCAL_MACHINE,’SYSTEM\CurrentControlSet\Services\lanmanserver\parameters’, ’nullsessionshares’ 这将确定什么样的会话连接在服务器上是可以使用的 exec xp_regenumvalues HKEY_LOCAL_MACHINE,’SYSTEM\CurrentControlSet\Servic...