Remove references to SDB
diff --git a/source/documentation/notes/model-factory.md b/source/documentation/notes/model-factory.md
index 4248410..48a1b2b 100644
--- a/source/documentation/notes/model-factory.md
+++ b/source/documentation/notes/model-factory.md
@@ -23,9 +23,7 @@
## Database model creation
-_Note:_ this section previously referred to creating database models
-with RDB, a now obsolete Jena features. For methods of creating models
-with [SDB](/documentation/sdb/index.html) and [TDB](/documentation/tdb/index.html)
+For methods of creating models for [TDB](/documentation/tdb/index.html)
please see the relevant reference sections.
## Inference model creation
diff --git a/source/documentation/ontology/__index.md b/source/documentation/ontology/__index.md
index 1936801..b4e0735 100644
--- a/source/documentation/ontology/__index.md
+++ b/source/documentation/ontology/__index.md
@@ -1913,8 +1913,7 @@
Jena's persistent database models.
For information on setting-up and accessing the persistent models
-themselves, please see the
-[SDB](/documentation/sdb/index.html) and [TDB](/documentation/tdb/index.html)
+themselves, see the [TDB](/documentation/tdb/index.html)
reference sections.
There are two somewhat separate requirements for persistently
diff --git a/source/documentation/query/architecture.md b/source/documentation/query/architecture.md
index c1c9281..fa2b578 100644
--- a/source/documentation/query/architecture.md
+++ b/source/documentation/query/architecture.md
@@ -18,8 +18,7 @@
- Reference engine - direct implementation of the algebra
- Quad engine - direct implementation of the algebra except
- The main engine
- - SDB, a SPARQL database for large-sale persistent data (external
- system)
+ - TDB, a SPARQL database for large-sale persistent data
- Result set handling for the SPARQL XML results format, the
[JSON](http://json.org) and text versions.
diff --git a/source/documentation/query/arq-query-eval.md b/source/documentation/query/arq-query-eval.md
index 27781aa..9bcae56 100644
--- a/source/documentation/query/arq-query-eval.md
+++ b/source/documentation/query/arq-query-eval.md
@@ -7,7 +7,7 @@
can be used to query different graph implementations and to provide
different query evaluation and optimization strategies for
particular circumstances. These mechanisms are used by
-[TDB](../tdb) and [SDB](../sdb/).
+[TDB](../tdb).
ARQ can be [extended in various ways](extension.html) to
incorporate custom code into a query.
@@ -190,7 +190,7 @@
ARQ provides three query engine factories; the main query engine
factory, one for a reference query engine and one to remotely
-execute a query. SDB and TDB provide their own query engine
+execute a query. TDB provides its own query engine
factories which they register during sub-system initialization.
Both extend the main query engine described below.
@@ -457,7 +457,7 @@
The extension may need to provide its own dataset implementation so
that it can detect when queries are directed to its named graph
-storage. [TDB](../tdb/) and [SDB](../sdb/) are examples of this.
+storage. [TDB](../tdb/) are examples of this.
## Mixed Graph Implementation Datasets
@@ -500,5 +500,4 @@
the expression to be evaluated using a custom query engine to
intercept evaluation initialization. When evaluation of a query
requires the evaluation of a sub-class of `OpExt`, the `eval`
-method is called. SDB uses this to introduce an operator that is
-implemented in SQL.
+method is called.
diff --git a/source/documentation/query/explain.md b/source/documentation/query/explain.md
index f543360..3720417 100644
--- a/source/documentation/query/explain.md
+++ b/source/documentation/query/explain.md
@@ -1,12 +1,7 @@
---
-title: explaining ARQ queries
+title: Explaining ARQ queries
---
-*This page applies to ARQ version 2.8.6 and later. In this version query
-logging was consolidated and made uniform across ARQ, SDB and TDB.
-Details of TDB logging changed to use this logging and explanation
-framework from TDB version 0.8.8.*
-
Optimization in ARQ proceeds on two levels. After the query is parsed,
the SPARQL algebra for the query is generated as described in the SPARQL
specification. High-level optimization occurs by rewriting the algebra
diff --git a/source/getting_started/__index.md b/source/getting_started/__index.md
index c5523f8..c2ed47b 100644
--- a/source/getting_started/__index.md
+++ b/source/getting_started/__index.md
@@ -35,7 +35,6 @@
* [How-To's](/documentation/notes/) - various topic-specific how-to documents
* [Ontology](/documentation/ontology/) - support for handling OWL models in Jena
* [TDB](/documentation/tdb/) - a fast persistent triple store that stores directly to disk
-* [SQL DB](/documentation/sdb/) - constructing persistent Jena models using SQL databases as the storage layer
* [Tools](/documentation/tools/) - various command-line tools and utilities to help developers manage RDF data and other aspects of Jena
<h2><img class="logo-menu" src="/images/jena-logo/jena-logo-notext-small.png" alt="jena logo">Framework Architecture</h2>
