The CHARINDEX() function returns the position of the substring in the string, or 0 if the substring is not found. The position is returned as a 1-based integer, meaning that the first character in the string is at position 1. For example, the following query will find the position of t...
可以结合SUBSTRING函数使用它来查找特定子字符串。例如,要查找包含子字符串"Query"的值,并返回该子字符串在字符串中的位置,可以使用以下查询: 使用CHARINDEX函数:CHARINDEX函数用于查找子字符串在字符串中的位置。可以结合SUBSTRING函数使用它来查找特定子字符串。例如,要查找包含子字符串"Query"的值,并返回该子字符串...
In this tutorial, we will explore the various methods and techniques that you can use to search whether a string contains another substring. It is good to keep in mind that each database provides different methods for the same operation. It is therefore good to consult the document for your ...
//////Add a<c>LIMIT</c>clause to the given SQL<c>SELECT</c>//////A Query in the form of a SqlString.///Offset of the first row to be returned by the query (zero-based)///Maximum number of rows to be returned by the query///Optionally, the Offset parameter index///Option...
starting_position: It contains an integer or bigint expression. It defines the starting position from where we extract the substring. The first character in the string starts with the value 1 Length:It is a positive integer value that defines how many characters from the string, from the start...
A. Using SUBSTRING with a character string The following example shows how to return only a part of a character string. From the Contact table, this query returns the last name in one column with only the first initial in the second column. ...
Transact-SQL reference for the SUBSTRING function. This function returns a portion of a specified character, binary, text, or image expression.
SQL_FN_STR_SUBSTRING (ODBC 1.0)SQL_FN_STR_UCASE (ODBC 1.0)如果應用程式可以使用 string_exp1、string_exp2 和start 自變數呼叫 LOCATE 純量函式,驅動程式會傳回SQL_FN_STR_LOCATE位掩碼。 如果應用程式只能使用string_exp1和string_exp2自變數呼叫 LOCATE 純量函式,驅動程式會傳回SQL_FN_STR_LOCATE_2...
private static List<String> getString(String sql) { List<String> list = new ArrayList<>(); String str = sql.substring(0, sql.indexOf("from")); String realSql = str.replace("select", "").trim(); if (realSql.contains(",")){ ...
■■ String functions concat(), contains(), substring(), string-length(), lower-case(), and upper-case() ■■ Boolean and Boolean constructor functions not(), true(), and false() ■■ Nodes functions local-name() and namespace-uri() ...