You can probably do it directly through an SQL import statement (I do not know how!).
What I usually do: I load the file in a spreadsheet (I am running MS windows, so I use MS EXCEL), and do a merge with a word-processor, where I make a template for the inserts (In WORD (Through: tools > mail merge > create catalogue):
INSERT INTO content (PageId, SectionId, ParagId, Header, Content) VALUES ('«PageId»', '«SectionId»', '«ParagId»', '«Header»', '«content»');
The PageID, SectionID, ParagID, Header, content refer to colums in the spreadsheet.
After the dosument merg you have a huge list of SQL statements, which you can then copy>past>execute in your SQL statement window.
Hope this helps,