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The Oracle INSTR() function searches for a substring in a string and returns the position of the substring in a string. Syntax. The following illustrates the syntax of the Oracle INSTR() function: INSTR(string , substring [, start_position [, occurrence]]) Code language: SQL (Structured Query Language) (sql) Arguments
The INSTR functions search string for substring. The search operation is defined as comparing the substring argument with substrings of string of the same length for equality until a match is found or there are no more substrings left.
This Oracle tutorial explains how to use the Oracle/PLSQL INSTR function with syntax and examples. The Oracle/PLSQL INSTR function returns the location of a substring in a string. The syntax for the INSTR function in Oracle/PLSQL is: The string to search. string can be CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB.
The INSTR functions search string for substring. The function returns an integer indicating the position of the character in string that is the first character of this occurrence. position is an nonzero integer indicating the character of string where Oracle Database begins the search.
7 Αυγ 2024 · The Oracle INSTR function is a SQL function used to search for a specific substring within a given string and return the position where this substring first appears. If the substring is not found, the function returns zero.
20 Σεπ 2019 · The PLSQL INSTR function searches a string for a substring specified by the user using characters and returns the position in the string that is the first character of a specified occurrence of the substring.
6 Αυγ 2021 · In Oracle, the INSTR() function searches for a substring in a given string, and returns an integer indicating the position of the first character of this substring. If the substring isn’t found, the function returns 0 .
