【定义】REPLACE函数可以将目标字符串中所有出现的某个子字符串替换为指定的字符串 【语法】 REPLACE(expressionString,patternString,replacementString) 【示例】 将字符串中的'ab'替换为'AB' SELECT REPLACE('ab222ab333ab444','ab','AB')结果:AB222AB333AB444 将字符串中的'ab'全部删除(即全部替换为空格) ...
REPLACE(expressionString,patternString,replacementString) 【示例】 将字符串中的'ab'替换为'AB' SELECT REPLACE('ab222ab333ab444','ab','AB')结果:AB222AB333AB444 将字符串中的'ab'全部删除(即全部替换为空格) SELECT REPLACE('ab222ab333ab444','ab','')结果:222333444...
T-SQL字符串函数 字符串函数用于处理列中的数据值,通常属于字符型的数据类型。 1、ASCLL(character),将具体字符转换为相应的整数(ASCII)代码,结果为正数。 例:select ASCII('A'),结果为65 2、CHAR(int),将ASCII代码转换为相应的字符,结果为CHAR(1). 例:select CHAR(65),结果为A 3、CHARINDEX(str1,str2)...
continue executing sql statements despite errors Conversion failed when converting character string to smalldatetime data type Conversion failed when converting date and/or time from character string. Conversion failed when converting date and/or time from character string. SQL 2008 Conversion failed when ...
Transact-SQL 語法慣例 語法 syntaxsql 複製 REPLACE ( string_expression , string_pattern , string_replacement ) 引數 string_expression 這是要搜尋的字串運算式。 string_expression 可以是字元或二進位資料類型。 string_pattern 這是要尋找的子字串。 string_pattern 可以是字元或二進位資料類型。 string_...
所以前两个测试得到异常结果跟REPLACE函数本身没有关系,问题出在字符串转换的过程,在这个过程中SQL将会做两件特别的事情: 1) 设置目标字符串的字符集。由于源字符串是UTF16、本身没有字符集的属性,所以目标字符串的字符集将被设置SQL实例的默认字符集。如果该SQL实例的默认字符集不支持中文(比如SQL_Latin_General)...
0x0000 (char(0)) is an undefined character in Windows collations and cannot be included in REPLACE. Examples The following example replaces the string cde in abcdefghicde with xxx. SQL Copy SELECT REPLACE('abcdefghicde','cde','xxx'); GO Here is the result set. Copy --- abxxxfg...
Replace the type with one of the supported data types. For more information, see Supported Data Types for In-Memory OLTP. Feature Computed columns Applies to: SQL Server 2014 (12.x) and SQL Server 2016 (13.x)Computed columns are not supported for memory-optimized tables. Remove the ...
Replace the type with one of the supported data types. For more information, see Supported Data Types for In-Memory OLTP. Feature Computed columns Applies to: SQL Server 2014 (12.x) and SQL Server 2016 (13.x)Computed columns are not supported for memory-optimized tables. Remove the ...
The CONVERT function is enhanced in SQL Server 2008 to support new conversion options between character strings and binary data types. You determine the conversion option to use by specifying a style number as the third argument. Style 0 is the default behavior that was supported in previous SQL...