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.

INSTR is one of the vital string/char functions of Oracle. It is used to get the location of a substring, where a substring is a part of a string. The INSTR function is supported in the various versions of the Oracle/PLSQL, including, Oracle 12c, …

Aug 7, 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.

Aug 6, 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. INSTR() requires at least …

In Oracle/PLSQL, the instr function returns the location of a sub-string in a string. If the sub-string is not found, then instr will return 0.

Dec 8, 2024 · INSTR Function; The INSTR function is used to find the position of a substring within a string. It returns the position (index) of the first occurrence of the substring. If the substring is not found, it returns 0. Syntax: INSTR(string, substring, start_position, match_occurance) string: The string in which to search.

The INSTR function in Oracle SQL is a powerful tool for finding the position of substrings within strings. It is useful for searching, parsing, and manipulating strings based on the positions of specific text patterns.

Sep 20, 2019 · The PLSQL INSTR function accepts four parameters which are string, substring, start position and the nth appearance. The string and substring can be of any of the datatypes such as CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. Syntax: INSTR(string, substring [, start_position [, nth_appearance ]]) Parameters Used. string –