LEFT
Returns the leftmost len
characters from the string str
, or NULL if any argument is NULL. If len
is greater than the length of str
, the entire str
is returned.
Syntax
LEFT(<str>, <len>);
Arguments
Arguments | Description |
---|---|
<str> | The main string from where the character to be extracted |
<len> | The count of characters |
Return Type
VARCHAR
Examples
SELECT LEFT('foobarbar', 5), LEFT('foobarbar', 10);
┌──────────────────────────────────────────────┐
│ left('foobarbar', 5) │ left('foobarbar', 10) │
├──────────────────────┼───────────────────────┤
│ fooba │ foobarbar │
└──────────────────────────────────────────────┘