如果指定了 GROUP BY,则 GROUPING 只能用在 SELECT列表、HAVING 和 ORDER BY 子句中。-- 语法 GROUPING ( <column_expression> )3.4.4.2 GROUPING_ID() 计算分组级别的函数。仅当指定了 GROUP BY 时,GROUPING_ID 才能在 SELECT列表、HAVING 或 ORDER BY 子句中使用。 代码语言:javascript 代码运行次数:0 运行...
13、STUFF ( character_expression , start , length , character_expression ) 功能:删除指定长度的字符并在指定的起始点插入另一组字符。 --例如:SELECT STUFF('请问你谁是周星驰啊', 6, 3,'') 3. 日期时间函数 日期和时间函数用于对日期和时间数据进行各种不同的处理和运算,并返回一个字符串、数字值或...
REPLICATE() --函数返回一个重复character_expression 指定次数的字符串 /*select replicate('abc', 3) replicate( 'abc', -2) 运行结果如下 --- --- abcabcabc NULL*/ REVERSE() --函数将指定的字符串的字符排列顺序颠倒 REPLACE() --函数返回被替换了指定子串的字符串 /*select replace('abc123g', ...
--used to convert hex to decimal@resultBIGINT,--the value of the hex symbol being parsed@indexSMALLINT,--used for parsing the hex value@EscapeINT--the index of the next escape characterDECLARE@StringsTABLE/* in this temporary table we keep all strings, even the Names of the elements,...
Hi All, I have a requirement, i want to replace string with id value from another table value. Another table id's: 4698,50470,50490,4698,5047 ID NAME 4698 ABC 5047 DEF 5049 GHI Source String :…
For more information, see String Functions (Transact-SQL) in the SQL Server documentation. PostgreSQL Usage Most of SQL Server string functions are supported in PostgreSQL, there are few which aren’t: UNICODE returns the integer value of the first character...
0x0000 (char(0)) is an undefined character in Windows collations and cannot be included in REPLACE.ExamplesThe following example replaces the string cde in abcdefghicde with xxx.SQL კოპირება SELECT REPLACE('abcdefghicde','cde','xxx'); GO ...
STUFF ( character_expression , start , length , replaceWith_expression ) declare @stuffstring varchar(200) = 'hello world!' select @stuffstring,stuff(@stuffstring,len(@stuffstring) , 10,', T-SQL') 结果: hello world! hello world, T-SQL ...
REPLACE ( 'string_expression1' , 'string_expression2' , 'string_expression3' )--用第三个表达式替换第一个字符串表达式中出现的所有第二个给定字符串表达式。 STUFF ( character_expression , start , length , character_expression )--删除指定长度的字符并在指定的起始点插入另一组字符。
-- is the "unlikely" character that "X" was used for in -- the explanation. SELECT REPLACE( REPLACE( REPLACE( LTRIM(RTRIM(OriginalString)) ,' ',' '+CHAR(7)) --Changes 2 spaces to the OX model ,CHAR(7)+' ','') --Changes the XO model to nothing ...