-- If@newcontains 128 characters,@newpasswordwill be '123...n -- where n is the 127th character. -- Because the string returned by QUOTENAME() will be truncated, it -- can be made to look like the following sta
可以使用指定的分隔符将多个字段拼接在一起。例如，将 FirstName、MiddleName 和 LastName 三个字段用...
The string can have a maximum of 255 characters. NAME = { backup_set_name | @backup_set_var } Specifies the name of the backup set. Names can have a maximum of 128 characters. If NAME isn't specified, it is blank. { EXPIREDATE ='date' | RETAINDAYS = days } Specifies when the ...
Old scripts continue to work.If the -P option is used with the -E option, an error message is generated.If the -P option is followed by more than one argument, an error message is generated and the program exits.A password containing special characters can generate an error message. You...
The XQuery functionsstring-lengthandsubstringcount each surrogate as two characters.The XQuery functionsstring-lengthandsubstringcount each surrogate as one character. PIVOTis allowed in a recursive common table expression (CTE) query. However, the query returns incorrect results when there are multipl...
languages.registerCompletionItemProvider('sql', { // 触发条件,也可以不写,不写的话只要输入满足配置的label就会提示;仅支持单字符 triggerCharacters: ['.', ' '], provideCompletionItems: (model, position) => { let suggestions = [] const { lineNumber, column } = position const textBeforePointer...
When you bulk transfer data between instances of Microsoft SQL Server and the data file contains Unicode character data but not any extended or DBCS characters, use the Unicode character format. For more information, see Use unicode character format to import or export data (SQL Server). Consider...
? varchar; 执行结果: Name: 'VARCHAR' Description: [NATIONAL] VARCHAR(M) [CHARACTER SET charset_name] [COLLATE collation_name] A variable-length string. M represents the maximum column length in characters. The range of M is 0 to 65,535. The effective maximum length of a VARCHAR...
CLEANROOM_INVALID_SHARED_DATA_OBJECT_NAME、COLUMN_MASKS_MULTI_PART_TARGET_COLUMN_NAME、COLUMN_MASKS_MULTI_PART_USING_COLUMN_NAME、DELTA_INVALID_CHARACTERS_IN_COLUMN_NAME、DELTA_INVALID_CHARACTERS_IN_COLUMN_NAMES、DELTA_INVALID_COLUMN_NAMES_WHEN_REMOVING_COLUMN_MAPPING、DELTA_NESTED_FIELDS_NEED_RENAME、...
dns_nameis a string value. This name can contain only alphanumeric characters, dashes (-), and hyphens (_), in any order. DNS host names are case insensitive. The maximum length is 63 characters. We recommend that you specify a meaningful string. For example, for an availability group na...