Examlex
Which of the following systems allow users to create, read, update, and delete data in a relational database?
Open Sentence
A mathematical statement containing one or more variables where its truth value depends on the values assigned to its variables.
Open Sentence
A statement or equation that contains one or more variables, which makes it neither true nor false until the variables are specified.
Variable
An element, feature, or factor that is liable to vary or change.
Closed Sentence
A statement or equation that contains no variables and is either true or false.
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