diff --git a/assets/java-sqlite-e2e555c.db.zip b/assets/java-sqlite-e2e555c.db.zip
new file mode 100644
index 0000000..cd36c2f
--- /dev/null
+++ b/assets/java-sqlite-e2e555c.db.zip
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c258912817e4e054263761f04ac3326c2f95d7a6c8a02cd3e604221badef50a8
+size 734099
diff --git a/codeql-sqlite/Illustrations.ql b/codeql-sqlite/Illustrations.ql
new file mode 100644
index 0000000..967b24d
--- /dev/null
+++ b/codeql-sqlite/Illustrations.ql
@@ -0,0 +1,15 @@
+/**
+ * @name Illustrations
+ * @description Illustrations of some codeql classes.
+ */
+
+import java
+import semmle.code.java.dataflow.FlowSources
+import semmle.code.java.security.SqlInjectionQuery
+import QueryInjectionFlow::PathGraph
+
+// Find starting points -- UserInput etc. -- from
+// ql/cpp/ql/src/Security/CWE/CWE-089/SqlTainted.ql 
+
+from UserInput ui, QueryInjectionSink qsi
+select ui, qsi
diff --git a/codeql-sqlite/README.org b/codeql-sqlite/README.org
index 0552543..768ade3 100644
--- a/codeql-sqlite/README.org
+++ b/codeql-sqlite/README.org
@@ -1,3 +1,27 @@
+* Using sqlite to illustrate models-as-data
+  This description uses / recycles a codeql workshop.  The original instructions
+  are below: [[*SQL injection example][SQL injection example]]
+** Build the codeql database
+   To get started, build the codeql database (adjust paths to your setup):
+   #+BEGIN_SRC sh
+     # Build the db with source commit id.
+     SRCDIR=$(pwd)
+     DB=$SRCDIR/java-sqlite-$(cd $SRCDIR && git rev-parse --short HEAD).db
+
+     echo $DB
+     test -d "$DB" && rm -fR "$DB"
+     mkdir -p "$DB"
+
+     # Use the correct codeql
+     export PATH="$(cd ../codeql && pwd):$PATH"
+     codeql database create --language=java -s . -j 8 -v $DB --command='./build.sh'
+
+     # Check for AddUser in the db
+     unzip -v $DB/src.zip | grep AddUser
+   #+END_SRC
+   Then add this database directory to your VS Code =DATABASES= tab.
+
+
 * SQL injection example
   This directory contains the problematic Java source code.  The rest of this
   README describes 
@@ -65,13 +89,15 @@
    #+BEGIN_SRC sh
      # Build the db with source commit id.
      SRCDIR=$(pwd)
-     DB=$SRCDIR/java-sqli-$(cd $SRCDIR && git rev-parse --short HEAD)
+     DB=$SRCDIR/java-sqlite-$(cd $SRCDIR && git rev-parse --short HEAD).db
 
      echo $DB
      test -d "$DB" && rm -fR "$DB"
      mkdir -p "$DB"
 
-     cd $SRCDIR && codeql database create --language=java -s . -j 8 -v $DB --command='./build.sh'
+     # Use the correct codeql
+     export PATH="$(cd ../codeql && pwd):$PATH"
+     codeql database create --language=java -s . -j 8 -v $DB --command='./build.sh'
 
      # Check for AddUser in the db
      unzip -v $DB/src.zip | grep AddUser
@@ -193,7 +219,3 @@
      echo "Results in simple-$VERSION.sarif"
    #+END_SRC
    We kept the output for this sample in [[./simple-161a1d5.sarif]]
-
-
-   
-
diff --git a/codeql-sqlite/codeql-pack.lock.yml b/codeql-sqlite/codeql-pack.lock.yml
new file mode 100644
index 0000000..5300427
--- /dev/null
+++ b/codeql-sqlite/codeql-pack.lock.yml
@@ -0,0 +1,4 @@
+---
+lockVersion: 1.0.0
+dependencies: {}
+compiled: false
diff --git a/codeql-sqlite/qlpack.yml b/codeql-sqlite/qlpack.yml
new file mode 100644
index 0000000..96ce683
--- /dev/null
+++ b/codeql-sqlite/qlpack.yml
@@ -0,0 +1,7 @@
+# Change 'getting-started' to the name of a user or organization that you have write access to.
+name: codeql-sqlite/codeql-extra-queries-java
+version: 0.0.0
+dependencies:
+  # This uses the latest version of the codeql/java-all library.
+  # You may want to change to a more precise semver string.
+  codeql/java-all: "*"