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C # tutorial
MySQL Functions : Extract a substring from a string (start at position 5, extract 3 characters)
The MID() function extracts a substring from a string (starting at any position).
MID(string, start, length)
Parameter | Description |
---|---|
string | Required. The string to extract from |
start | Required. The start position. Can be both a positive or negative number. If it is a positive number, this function extracts from the beginning of the string. If it is a negative number, this function extracts from the end of the string |
length | Required. The number of characters to extract |
Works in: | From MySQL 4.0 |
---|
Extract a substring from the text in a column (start at position 2, extract 5 characters):
SELECT MID(CustomerName,
2, 5) AS ExtractString
FROM Customers;
Extract a substring from a string (start from the end, at position -5, extract 5 characters):
SELECT MID("SQL Tutorial", -5, 5) AS ExtractString;