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NULL · Vinony

EntityQ371029· pop 12· linked from 169 articles

NULL

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special marker and keyword in SQL indicating that something has no value

Connections

three-valued logic

Christopher J. Date

relational database

data definition language

data manipulation language

closed-world assumption

International Standard Book Number

Wayback Machine

digital object identifier

propositional calculus

Categories

SQL keywords Unknown content

Sources

wikipedia.externallinksexternallink

Similar entities

Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).

Entitydist 0.64

check constraint

Entitydist 0.64

Entitydist 0.69

Category:SQL keywords

Entitydist 0.72

Entitydist 0.73

sufficient condition

Entitydist 0.73

Nomada bifurcata

Entitydist 0.73

abandoned village

Entitydist 0.74

Entitydist 0.74

Category:Nonexistent people

Entitydist 0.74

Entitydist 0.74

Entitydist 0.75

What links here169 pages

entity integrity

extract, transform, load

database administration

document-oriented database management system

transaction processing

database trigger

referential integrity

Call Level Interface

relational model

materialized view

master data management