Examlex
A card is chosen from a deck of 52 cards. It is put back in the deck and a second card is chosen. What is the probability of an ace and a 2?
Unstructured Data
Audio clips, video clips, pictures, and extremely large documents. Also called binary large object (BLOB).
Query
In a database, a way of retrieving information that defines a particular subset of data; can be used to extract data from one or more tables.
Range Check
Ensures that the data entered into the field of a database falls within a certain range of values.
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