A composite primary key applies to more than one field. <span>A table can have only one primary key, which may consist of single or multiple fields.</span>
A composite primary key is selected from Design view. <span>In Design </span>view<span>, you can use the </span>Primary Key<span> button to assign or remove the </span>primary key<span> designation for the </span>selected<span> field or fields.</span>
Answer:
Short-circuit evaluation is performed with the not operator.
Unfortunately you can’t be refunded points. Sorry :(
It allow us to monitor and study our environment to better understand how it works and the impact of our actions on it and It allows for paperless communication like email and online bill paying to reduce the amount of trees cut down
Answer:
Most modern CPU's have between 16 and 64 General Purpose Registers. Special Purpose Registers have special uses and are either nonprogrammable and internal to the CPU or accessed with special instructions by the programmer.
