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15 kwi 2014 · set @temp = 'BB10-1_X-4759-566549'. select @temp, REVERSE(@temp) select REVERSE(substring(REVERSE(@temp),0,CHARINDEX('-',REVERSE(@temp),0))) Give this a shot. It answers your first question of extracting from after the last - of the string.
Definition and Usage. The SUBSTRING () function extracts some characters from a string. Syntax. SUBSTRING (string, start, length) Parameter Values. Technical Details. More Examples. Example. Extract 5 characters from the "CustomerName" column, starting in position 1: SELECT SUBSTRING (CustomerName, 1, 5) AS ExtractString. FROM Customers;
1 mar 2021 · SQL Server provides many useful functions such as ASCII, CHAR, CHARINDEX, CONCAT, CONCAT_WS, REPLACE, STRING_AGG, UNICODE, UPPER for this purpose. In this article, we explore SUBSTRING, PATINDEX, and CHARINDEX using examples.
13 sie 2020 · Microsoft SQL Server String Functions. Let's suppose you want to select a substring from the start of the expression, or from the end. From the start, you can just enter 1 for the start parameter, but you can also use the shorthand function LEFT. The following two SQL statements are functionally equivalent:
22 mar 2022 · SUBSTRING () is a text function that allows you to extract characters from a string. Its syntax is. SUBSTRING (expression, start, length) For the expression argument, you write a string literal or specify a column from which you want to extract the substring.
In Oracle you can use REGEXP_LIKE string function for string start/ends with search. This function 1st argument is an expression/source string and 2nd argument is a pattern/search string. Use dollar $ for a ends with value and ^ for starts with value.
3 wrz 2024 · Syntax. syntaxsql. Copy. SUBSTRING ( expression, start, length ) . Arguments. expression. Is a character, binary, text, ntext, or image expression. start. Is an integer or bigint expression that specifies where the returned characters start. (The numbering is 1 based, meaning that the first character in the expression is 1).
