diff --git a/basis/cpu/ppc/architecture/architecture.factor b/basis/cpu/ppc/architecture/architecture.factor
index 357349193e..117ab51fe2 100644
--- a/basis/cpu/ppc/architecture/architecture.factor
+++ b/basis/cpu/ppc/architecture/architecture.factor
@@ -96,9 +96,9 @@ M: ppc %epilogue ( n -- )
     1 1 rot ADDI
     0 MTLR ;
 
-: (%call) ( -- ) 11 MTLR BLRL ;
+: (%call) ( reg -- ) MTLR BLRL ;
 
-: (%jump) ( -- ) 11 MTCTR BCTR ;
+: (%jump) ( reg -- ) MTCTR BCTR ;
 
 : %load-dlsym ( symbol dll register -- )
     0 swap LOAD32 rc-absolute-ppc-2/2 rel-dlsym ;
@@ -117,7 +117,7 @@ M: ppc %dispatch ( -- )
         "offset" operand "n" operand 1 SRAWI
         11 11 "offset" operand ADD
         11 dup 6 cells LWZ
-        (%jump)
+        11 (%jump)
     ] H{
         { +input+ { { f "n" } } }
         { +scratch+ { { f "offset" } } }
@@ -244,17 +244,17 @@ M: ppc %prepare-alien-invoke
     rs-reg 11 12 STW ;
 
 M: ppc %alien-invoke ( symbol dll -- )
-    11 %load-dlsym (%call) ;
+    11 %load-dlsym 11 (%call) ;
 
 M: ppc %alien-callback ( quot -- )
     3 load-indirect "c_to_factor" f %alien-invoke ;
 
 M: ppc %prepare-alien-indirect ( -- )
     "unbox_alien" f %alien-invoke
-    3 11 MR ;
+    13 3 MR ;
 
 M: ppc %alien-indirect ( -- )
-    (%call) ;
+    13 (%call) ;
 
 M: ppc %callback-value ( ctype -- )
      ! Save top of data stack
diff --git a/basis/db/db-docs.factor b/basis/db/db-docs.factor
index 0aca33c90d..176b18f5d4 100644
--- a/basis/db/db-docs.factor
+++ b/basis/db/db-docs.factor
@@ -285,7 +285,7 @@ ARTICLE: "db-custom-database-combinators" "Custom database combinators"
 { $code <"
 USING: db.sqlite db io.files ;
 : with-sqlite-db ( quot -- )
-    "my-database.db" temp-file <sqlite-db> swap with-db ;"> } 
+    "my-database.db" temp-file <sqlite-db> swap with-db ; inline"> } 
 
 "PostgreSQL example combinator:"
 { $code <" USING: db.postgresql db ;
@@ -296,7 +296,7 @@ USING: db.sqlite db io.files ;
         "erg" >>username
         "secrets?" >>password
         "factor-test" >>database
-    swap with-db ;">
+    swap with-db ; inline">
 } ;
 
 ABOUT: "db"
diff --git a/basis/db/db.factor b/basis/db/db.factor
index bf23005bc2..3ee0fe3d09 100644
--- a/basis/db/db.factor
+++ b/basis/db/db.factor
@@ -22,14 +22,13 @@ HOOK: db-close db ( handle -- )
 
 : dispose-statements ( assoc -- ) values dispose-each ;
 
-: db-dispose ( db -- ) 
+M: db dispose ( db -- ) 
     dup db [
-        {
-            [ insert-statements>> dispose-statements ]
-            [ update-statements>> dispose-statements ]
-            [ delete-statements>> dispose-statements ]
-            [ handle>> db-close ]
-        } cleave
+        [ dispose-statements H{ } clone ] change-insert-statements
+        [ dispose-statements H{ } clone ] change-update-statements
+        [ dispose-statements H{ } clone ] change-delete-statements
+        [ db-close f ] change-handle
+        drop
     ] with-variable ;
 
 TUPLE: result-set sql in-params out-params handle n max ;
diff --git a/basis/db/postgresql/postgresql.factor b/basis/db/postgresql/postgresql.factor
index 08df25c13a..f9c9ea73ec 100644
--- a/basis/db/postgresql/postgresql.factor
+++ b/basis/db/postgresql/postgresql.factor
@@ -30,8 +30,8 @@ M: postgresql-db db-open ( db -- db )
         [ password>> ]
     } cleave connect-postgres >>handle ;
 
-M: postgresql-db dispose ( db -- )
-    handle>> PQfinish ;
+M: postgresql-db db-close ( handle -- )
+    PQfinish ;
 
 M: postgresql-statement bind-statement* ( statement -- ) drop ;
 
diff --git a/basis/db/sqlite/sqlite.factor b/basis/db/sqlite/sqlite.factor
index 8580b9012c..216f324bbf 100644
--- a/basis/db/sqlite/sqlite.factor
+++ b/basis/db/sqlite/sqlite.factor
@@ -19,7 +19,6 @@ M: sqlite-db db-open ( db -- db )
     dup path>> sqlite-open >>handle ;
 
 M: sqlite-db db-close ( handle -- ) sqlite-close ;
-M: sqlite-db dispose ( db -- ) db-dispose ;
 
 TUPLE: sqlite-statement < statement ;
 
@@ -87,9 +86,11 @@ M: sqlite-statement bind-tuple ( tuple statement -- )
         in-params>> [ sqlite-bind-conversion ] with map
     ] keep bind-statement ;
 
+ERROR: sqlite-last-id-fail ;
+
 : last-insert-id ( -- id )
     db get handle>> sqlite3_last_insert_rowid
-    dup zero? [ "last-id failed" throw ] when ;
+    dup zero? [ sqlite-last-id-fail ] when ;
 
 M: sqlite-db insert-tuple-set-key ( tuple statement -- )
     execute-statement last-insert-id swap set-primary-key ;