Apple Numbers '09 - Manual (Page 62)

Here are ways to delete rows or columns:
Select one or more rows or columns or a cell in a row or column, and then choose
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Table > Delete Row or Table > Delete Column.
To delete a single row or column, hold the pointer over the row or column reference
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tab to see the menu arrow, and then choose Delete Row or Delete Column from the
pop-up menu.
To delete several adjacent rows or columns, select the rows or columns and then
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choose Delete Selected Rows or Delete Selected Columns from the pop-up menu of a
selected row’s or column’s reference tab.
To delete empty rows, drag the lower-left Row handle up or drag the lower-right
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Column handle up.
To remove rows with content, hold down the Option key while dragging.
To delete empty columns, drag the upper-right Column handle inward.
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To remove columns with content, hold down the Option key while dragging.
Adding Table Header Rows or Header Columns
Use header rows and columns when you want to label rows and columns. Header
rows and columns are formatted so that they stand out from the other (body) rows
and columns. Header rows are always directly above the topmost body row. Header
columns are always directly to the left of the leftmost body column.
You can use as many as five header rows and five header columns. Multiple headers
are useful when you want to assign names to two or more header columns or header
rows. To format a header to span rows or columns, merge the header cells, as “Merging
Table Cells” on page 86 describes.
If a table contains both header rows and header columns, the top left cell or cells
are considered to be part of the header row. Header columns appear below any
header rows.
62 Chapter 3 Using Tables