---
title: columns
framework: tabulardata
role: symbol
role_heading: Instance Property
path: tabulardata/dataframe/columns
---

# columns

The entire data frame as a collection of columns.

## Declaration

```swift
var columns: [AnyColumn] { get }
```

## See Also

### Inspecting a Data Frame

- [shape](tabulardata/dataframe/shape.md)
- [rows](tabulardata/dataframe/rows-swift.property.md)
- [DataFrame.Rows](tabulardata/dataframe/rows-swift.struct.md)
- [base](tabulardata/dataframe/base.md)
- [containsColumn(_:_:)](tabulardata/dataframe/containscolumn(_:_:).md)