Research any topic before you write.
Find related topics. | Discover entities. | See connections. | Build a topical map.
SQL-92 (also called SQL 2) was the third revision of the SQL database query language. Unlike SQL-89, it was a major revision of the standard. Aside from a few minor incompatibilities, the SQL-89 standard is forward-compatible with SQL-92.
Standards, New features & Extensions
Explore the main themes, entities and connections around SQL-92. Start with the topic map, then use the sections below for research and deeper semantic analysis.
Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
Browse the full topic structure. Each item opens a new analysis centered on that subject.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
See the strongest relationship patterns around the current topic before diving into the raw triples.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
new standard sql features sql-89 revision database specification support operations schema tables major full level next extensions published 1992 significant
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| SQL-92 | Domain | SQL | 1.00 | infobox |
| SQL-92 | First published | November 1992 | 1.00 | infobox |
| string concatenation | instance of | andNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations | 0.80 | text |
| substring extraction | instance of | andNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations | 0.80 | text |
| date | instance of | andNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations | 0.80 | text |
| time mathematics | instance of | andNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations | 0.80 | text |
| and conditional statements.New set operations such asUNION | instance of | andNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations | 0.80 | text |
| UNION ALL | instance of | andNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations | 0.80 | text |
| CROSS JOIN | instance of | andNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations | 0.80 | text |
| and formalizedJOINtypes | instance of | andNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations | 0.80 | text |
| within a CHECKconstraint.A new information schema | instance of | and MUMPS.New features for user privileges.New integrity-checking functionality | 0.80 | text |
| SQL-92 | related to External links | The SQL-92 | 0.60 | section |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.