You can easily check your pulse on the inside of your wrist, below your thumb. 1  Gently place 2 fingers of your other hand on this artery. 2  Do not use your thumb, because it has its own pulse that you may feel.  Count the beats for 30 seconds, and then double the result to get the number of beats per minute.
It's not, LMB is Left Mouse Button. Its function can usually be replicated by the enter key.
Foreign key. In the context of relational databases, a foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table or the same table. In simpler words, the foreign key is defined in a second table, but it refers to the primary key or a unique key in the first table.