Examlex
The central cavity of a tooth is filled with
Is Null
A term used in databases and programming to indicate that a field or variable has no value assigned to it.
Product Type Field
A specific field in a database or software application used to categorize products by their types.
Datasheet
A view mode in database applications displaying data in rows and columns, similar to a spreadsheet.
Zero-Length
Refers to an object, string, or data type that has no content or measurable length, often used as a placeholder or to indicate an empty value.
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