ExamPlay Dark Logo
दाखिल करना

Computer Science for IGCSE & O level - Databases (Section 5 - No. 12)

In SQL, what does the term 'NULL' represent?
Zero
An empty string.
A missing or unknown value.
A space.

स्पष्टीकरण

'NULL' represents the absence of a value in a field.

टिप्पणियाँ (0)

विज्ञापन