RENAME

Syntax
RENAME old_name1 AS new_name1[, ..., old_nameN AS new_nameN]
Parameters
old_nameX
The name of a column you want to rename.
new_nameX
The new name of the column.
DescriptionThe RENAME processing command renames one or more columns. If a column with
the new name already exists, it will be replaced by the new column.Examples
```esql
FROM employees
| KEEP first_name, last_name, still_hired
| RENAME  still_hired AS employed
```

Multiple columns can be renamed with a single RENAME command:
```esql
FROM employees
| KEEP first_name, last_name
| RENAME first_name AS fn, last_name AS ln
```
