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Data Vault SQL Reference

6.4.3
- 6.5.1
- 6.5 HotFix 1
- 6.5
- 6.4.4
- 6.4.3 HotFix 1

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POSITION

A string function that returns the starting position of a string value-expression1 within another string value-expression2. The Data Vault Service evaluates the position of the string from left to right, starting at position 1. If value-expression1 is not found, POSITION returns 0. If value-expression1 occurs more than once within value-expression2, POSITION returns the starting position of the last occurrence of value-expression1.

The POSITION function is similar to the POSSTR function. Both functions return the position of a substring within a string.

POSITION Syntax

POSITION ( char value-expression1 IN char value-expression2 )

POSITION Example 1

In this example, value-expression1 occurs once within value-expression2. POSITION returns the starting position of value-expression1.

Input	Output
'fun' IN 'malfunction'	4

CREATE TABLE string_table (col1 VARCHAR(20));
INSERT INTO string_table VALUES ('malfunction');
1 row affected
SELECT POSITION('fun' IN col1) FROM string_table;
1 row selected
1
-----------
          4

POSITION Example 2

In this example, value-expression1 occurs more than once within value-expression2. POSITION returns the starting position of the last occurrence of value-expression1.

Input	Output
'4' IN '4234.23423'	8

CREATE TABLE string_table (col1 VARCHAR(20));
INSERT INTO string_table VALUES ('4234.23423');
1 row affected
SELECT POSITION('4' IN col1) FROM string_table;
1 row selected
1
-----------
          8

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Data Vault SQL Reference

Data Vault SQL Reference

POSITION

POSITION

POSITION Syntax

POSITION Example 1

POSITION Example 2