Examlex
Each table in a relational database must have a primary key.
UPS
An acronym that stands for Uninterruptible Power Supply, a device that provides battery backup power during electrical outages.
USB Outlet
An electrical socket designed to power or charge devices via USB cables without the need for an adapter.
Technical Support
Assistance provided to users of technology products or services to resolve hardware or software issues.
Q1: A table is in fourth normal form
Q4: _ are normally expressed in the form
Q31: _ is a special language used to
Q36: The _ constraint can be placed on
Q37: Coding, testing, and debugging are part of
Q44: _ are in charge of presenting the
Q60: An initial assessment of the information flow-and-extent
Q63: The _ schema is designed to optimize
Q65: _ completeness means that every supertype occurrence
Q71: The _ relationship should be rare in