Extension table may be 1:1 realation table to the base table or a 1:M relation to the base table.
1:1 extension table and the base table are logically considered as a single table.
Par_row_id will be the foriegn key.
Explain about BlackBerry OS?
How to find out which BlackBerry OS version is on device?
How to update device to a newer version of the BlackBerry OS?
How to Increase BlackBerrys File free memory?
How to Wipe / Load OS Using BBSAK?
What is BlackBerry World?
How to Remove an I.T. Policy from a BlackBerry?
How to Recover a Dead BlackBerry?
What do you know about BlackBerry 7?
Suppose I am trying to sign in to my BlackBerry Internet Service Account, but I am getting this error message “The User ID and Password provided are invalid. Please re-enter your User ID and Password and try again.” What should I do?
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