Analyzing mysql query

Hi All,
 what does F1 mean in below query statement? attention to this question is greatly appreciated.

select count(*) from tbl_student join tbl_flat F1 on F1.record_id = tbl_student.RecordID WHERE fn_subset(fld_160 , ',A')
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dsackerContract ERP Admin/ConsultantCommented:
F1 is simply the alias given to the table tbl_flat. You then prefix your columns with F1 instead of tbl_flat. Saves keystrokes.

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RotebergAuthor Commented:
Thank You dsacker! I appreciate
dsackerContract ERP Admin/ConsultantCommented:
Quite welcome. All the best.
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MySQL Server

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