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SQL-92: Standards, New features & Extensions

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.

Language: English [EN]
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SQL-92 topic overview

The analysis highlights Standards, New features and Extensions as prominent areas in the source structure around SQL-92.

Related topics
18
Source areas
3
Connected nodes
21
Extracted relationships
12
Concept neighborhoods
13
Bridge connections
21

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

New features · 10 topics
Extensions · 4 topics
Overview · 4 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Domain
SQL
First published
November 1992

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

New features

Extensions

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How SQL-92 connects Entity context

The extracted context around SQL-92 shows recurring relationship patterns in the source. For example, SQL-92 → SQL Another extracted example is SQL-92 → November 1992. Use these groups to spot repeated connection types before inspecting the individual relationships.

SQL-92

Top relations

Domain · 1
SQL-92 → SQL
First published · 1
SQL-92 → November 1992
related to External links · 1
SQL-92 → The SQL-92

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

new standard sql features sql-89 revision database specification support operations schema tables major full level next extensions published 1992 significant

SQL-92 relationships Subject–Predicate–Object triples

TTTA extracted 12 structured relationships around SQL-92. Examples in this analysis include SQL-92 → Domain → SQL and SQL-92 → First published → November 1992. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
SQL-92DomainSQL1.00infobox
SQL-92First publishedNovember 19921.00infobox
string concatenationinstance ofandNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations0.80text
substring extractioninstance ofandNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations0.80text
dateinstance ofandNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations0.80text
time mathematicsinstance ofandNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations0.80text
and conditional statements.New set operations such asUNIONinstance ofandNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations0.80text
UNION ALLinstance ofandNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations0.80text
CROSS JOINinstance ofandNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations0.80text
and formalizedJOINtypesinstance ofandNATIONALCHARACTERstrings.Support for additional character sets beyond the base requirement for representing SQL statements.New scalar operations0.80text
within a CHECKconstraint.A new information schemainstance ofand MUMPS.New features for user privileges.New integrity-checking functionality0.80text
SQL-92related to External linksThe SQL-920.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around SQL-92 bring nearby vocabulary together. In this analysis, examples include Level, Sql-89 and Aside. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • sql
    • Extensions
    • Next
    • Published
    • Significant
    • Revision
    • Sql-92
    • Standard
    • Language
    • Query
    • Third
    • Data
    • Date
  • case (sql)
    • Extensions
    • Next
    • Published
    • Significant
    • Revision
    • Sql-92
    • Standard
    • Language
    • Query
    • Third
    • Data
    • Date
  • sql/cli
    • Extensions
    • Next
    • Published
    • Significant
    • Revision
    • Sql-92
    • Standard
    • Language
    • Query
    • Third
    • Data
    • Date
  • sql/psm
    • Extensions
    • Next
    • Published
    • Significant
    • Revision
    • Sql-92
    • Standard
    • Language
    • Query
    • Third
    • Data
    • Date
  • SQL-92
    • Level
    • Sql-89
    • Aside
    • Forward-compatible
    • Incompatibilities
    • Language
    • Minor
    • Query
    • Standard
    • Third
    • Extensions
    • Full
  • sql-92
    • Level
    • Sql-89
    • Aside
    • Forward-compatible
    • Incompatibilities
    • Language
    • Minor
    • Query
    • Standard
    • Third
    • Extensions
    • Full
  • new features
    • New
    • Operations
    • Standard
    • Data
    • Date
    • Full
    • Time
    • Types
    • Extensions
    • Level
    • Published
    • Significant
  • sql-89
    • Specification
    • Standard
    • Sql-92
    • Aside
    • Five
    • Forward-compatible
    • Grew
    • Incompatibilities
    • Minor
    • Unlike
    • Full
    • Level

Connections between topic areas Semantic bridges

For SQL-92, one of the stronger structural bridges in this analysis connects SQL-92 with New features. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
SQL-92New features · splits 11 ⟂ 11
SQL-92Overview · splits 17 ⟂ 5
SQL-92Extensions · splits 17 ⟂ 5

Map overview Semantic statistics

SQL-92

Nodes22
Edges21
Triples12
Avg. degree1.91
Density0.090909
Components1

Source & methodology

TTTA analyzes the structure around SQL-92 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Standards, New features & Extensions, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — SQL-92 · EN edition · Analysis: TopicsToTalkAbout

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