Technology · Reference dataset
MySQL String Functions
MySQL string functions and descriptions of their uses.
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The 10 most recently added of 33 records · Select a column heading to sort.
| ID | Function | Description |
|---|---|---|
| 33 | UPPER | Converts a string to upper-case |
| 32 | UCASE | Converts a string to upper-case |
| 31 | TRIM | Removes leading and trailing spaces from a string |
| 30 | SUBSTRING_INDEX | Returns a substring of a string before a specified number of delimiter occurs |
| 29 | SUBSTRING | Extracts a substring from a string (starting at any position) |
| 28 | SUBSTR | Extracts a substring from a string (starting at any position) |
| 27 | STRCMP | Compares two strings |
| 26 | SPACE | Returns a string of the specified number of space characters |
| 25 | RTRIM | Removes trailing spaces from a string |
| 24 | RPAD | Right-pads a string with another string, to a certain length |
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Scope and sources
Last checked against sources: October 15, 2026.
Last changed: July 17, 2026. This is when we last changed the data or its description. It doesn’t mean the data runs up to that date.
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