9.8.2. NOT NULL
Optionally a column can be declared NOT NULL. Any attempts to insert NULL into column declared NOT NULL will result in an error and the insert rejected.
Optionally a column can be declared NOT NULL. Any attempts to insert NULL into column declared NOT NULL will result in an error and the insert rejected.
This HTML5 document contains 15 embedded RDF statements represented using HTML+Microdata notation.
The embedded RDF content will be recognized by any processor of HTML5 Microdata.
| Prefix | IRI |
|---|---|
| n2 | http://docs.openlinksw.com/virtuoso/consnotnull/ |
| schema | http://schema.org/ |
| n5 | http://creativecommons.org/licenses/by/4.0/ |
| rdf | http://www.w3.org/1999/02/22-rdf-syntax-ns# |
| n4 | http://www.openlinksw.com/# |
| xsdh | http://www.w3.org/2001/XMLSchema# |
This HTML document contains 15 embedded RDF statements represented using (X)HTML+RDFa notation.
The embedded RDF content will be recognized by any processor of (X)HTML+RDFa.
| Prefix | URI |
|---|---|
| xmlns:n2 | http://docs.openlinksw.com/virtuoso/consnotnull/ |
| xmlns:schema | http://schema.org/ |
| xmlns:n5 | http://creativecommons.org/licenses/by/4.0/ |
| xmlns:rdf | http://www.w3.org/1999/02/22-rdf-syntax-ns# |
| xmlns:n4 | http://www.openlinksw.com/# |
| xmlns:xsdh | http://www.w3.org/2001/XMLSchema# |
| Subject | Predicate | Object |
|---|---|---|
| n2: | rdf:type | schema:TechArticle |
| n2: | schema:name | 9.8.2.ÃÂ NOT NULL |
| n2: | schema:copyrightHolder | _:vb78780 |
| n2: | schema:datePublished | 2016-09-09 16:16:54 |
| n2: | schema:headline | 9.8.2.ÃÂ NOT NULL |
| n2: | schema:keywords | OpenLink,Virtuoso,database,RDBMS,relational,SQL,RDF,triple store,linked data,linked open data,Big Data |
| n2: | schema:license | n5:deed.en_US |
| n2: | schema:publisher | _:vb78779 |
| n2: | schema:url | n2: |
| _:vb78779 | rdf:type | schema:Organization |
| _:vb78779 | schema:name | OpenLink Software |
| _:vb78779 | schema:url | n4:this |
| _:vb78780 | rdf:type | schema:Organization |
| _:vb78780 | schema:name | OpenLink Software |
| _:vb78780 | schema:url | n4:this |