您好!您提到的 T-SQL 中的 IndexOf 函数是一个字符串函数,用于查找一个子字符串在母字符串中第一次出现的位置。它的语法如下: 代码语言:txt 复制 INDEX_OF( string, substring ) 其中,string 是母字符串,substring 是要查找的子字符串。 该函数返回子字符串在母字符串中第一次出现的位置,如果没有找到,则...
T-SQL中没有原生的IndexOf函数,但可以使用CHARINDEX函数来实现类似的功能。CHARINDEX函数用于查找指定子字符串在另一个字符串中的位置。 使用CHARINDEX函数的语法如下: CHARINDEX(substring, string [, start_position]) 其中,substring是要查找的子字符串,string是要在其中查找的字符串,start_position是可选的参数,指定...
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...–语法 QUOTENAME ( ‘character_string’ [ , ‘quote_character’ ] ) –举例说明: –比如你有一个表,名字叫index –你有一个动态查询,参数是表名...declare @tbname varchar(256) set @tbname=’index’ —查这个表里的数据: print(‘select * from ‘+@tbname) exec(‘select...* from ‘...
*/ASBEGINDECLARE@FirstObjectINT,--the index of the first open bracket found in the JSON string@OpenDelimiterINT,--the index of the next open bracket found in the JSON string@NextOpenDelimiterINT,--the index of subsequent open bracket found in the JSON string@NextCloseDelimiterINT,--the index...
Convert between ASCII or UNICODE code to a string character. SELECT CHAR(65) 'A' Numeric integer value as input. CHARINDEX and PATINDEX Find the starting position of one string expression or string pattern within another string expression. SELECT CHARINDEX...
PATINDEX The SQL Server PATINDEX() function returns the position of a pattern within an input string. Following is the syntax of PATINDEX(): PATINDEX ( '%StringPattern%' , input_string ) The PATINDEX() function accepts two parameters: 1. String_Pattern. This parameter defines character exp...
[ID] INT NOT NULL IDENTITY(0, 1), [c1] INT NOT NULL PRIMARY KEY, [c2] INT, [c3] INT, [SmallString] VARCHAR(2) ) ON [PRIMARY] CREATE TABLE [dbo].[FixedTable] ( [ID] INT NOT NULL IDENTITY(0, 1), [c1] INT NOT NULL PRIMARY KEY, [c2] INT, [c3] INT, [Sm...
"String or binary data would be truncated" and field specifications “Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted...
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