/*** SSMS 的 SelectTopNRows 命令的脚本 ***/ SELECT * FROM [Database].[dbo].[VideosTable] where len(ReleaseTime)>8; 1. 2. 3. 4. 5. 结果: 2.精剪数据长度(去掉前4位) Update [Database].[dbo].[VideosTable] set ReleaseTime=substring(ReleaseTime,5,8) where len(ReleaseTime)>8; ...
SQL contains string - In this blog, I will explain how to check a specific word or character in a given statement in SQL Server, using CHARINDEX function or SQL Server and check if the string contains a specific substring with CHARINDEX function. An alternative to CHARINDEX() is using LIKE...
ELT() FIND_IN_SET() INSTR() LOCATE() 和 POSITION() REGEXP_INSTR() REGEXP_SUBSTR() SUBSTR() 和 SUBSTRING() SUBSTRING_INDEX() LEFT() RIGHT() 示例1 给定一个字符串表示:出版社 + 作者 + 书名 ;如:'电子工业出版社#孙卫琴#Tomcat与Java'根据分隔符# 拆分字符串 SET@fullBookName='电子工业出...
基于字符串值的函数 - substring 基于字符串值的函数 - string-length 基于字符串值的函数 - lower-case 基于字符串值的函数 - upper-case 数值函数 - ceiling 数值函数 - floor 数值函数 - round XQuery 扩展函数 - sql:column() XQuery 扩展函数 - sql:variable() ...
If we change the starting position and length parameter, it returns the modified substring. SUBSTRING function with an expression In the below SQL query, we use the LEN() function to calculate the [lastname] length in thestarting_positionargument. ...
SQL SELECTProductId,Name, TagsFROMProductWHERE'clothing'IN(SELECTvalueFROMSTRING_SPLIT(Tags,',')); 指定された 2 つのタグ (clothing と road) を持つ製品を検索するには: SQL SELECTProductId,Name, TagsFROMProductWHEREEXISTS(SELECT*FROMSTRING_SPLIT(Tags,',')WHEREvalueIN('clothing','road'));...
The STUFF() function insert Substring into String. It deletes a specified number of characters from the first string starting at the specified position and inserts the given second string from that position.
sql server 2019: 1 2 3 4 5 6 7 8 declare@studentidchar(5),@result nvarchar(2000) set@studentid=@StudentGradeId;-- 学生编号 set@result=@resultAwsert; insertinto#TempSubString(studentid,subname) SELECT@studentid,[value]FROMSTRING_SPLIT(@result,','); ...
基于字符串值的函数 - substring 基于字符串值的函数 - string-length 基于字符串值的函数 - lower-case 基于字符串值的函数 - upper-case 数值函数 - ceiling 数值函数 - floor 数值函数 - round XQuery 扩展函数 - sql:column() XQuery 扩展函数 - sql:variable() ...
SELECT POSITION(Sub_string IN String); The function returns the number that shows the location of the substring in the string, 0 if the substring is not present, and NULL if any of the arguments is NULL. Let’s query the position() function for our case: ...