diff --git a/Main/lib/sql/apidbschema/Oracle/createWorkflowVdi.sql b/Main/lib/sql/apidbschema/Oracle/createWorkflowVdi.sql
new file mode 100644
index 0000000..777b203
--- /dev/null
+++ b/Main/lib/sql/apidbschema/Oracle/createWorkflowVdi.sql
@@ -0,0 +1,48 @@
+
+-- Track the relationship between a workflow's artifact and its VDI ID
+create table apidb.WorkflowArtifactVdiId (
+  workflow_id number(10) NOT NULL,
+  organism_abbrev varchar(20),  -- nullable for, eg, the global workflow
+  artifact_name varchar(500) NOT NULL,
+  vdi_id varchar2(32) NOT NULL,
+  PRIMARY KEY (workflow_id, organism_abbrev, artifact_name),
+  UNIQUE (vdi_id)
+);
+
+GRANT INSERT, SELECT, UPDATE, DELETE ON apidb.WorkflowArtifactVdiId TO gus_w;
+GRANT SELECT ON apidb.WorkflowArtifactVdiId TO gus_r;
+
+----------------------------------------------------------------------------
+
+-- Capture the time boundaries of the most recent batch of tuning tables submitted to VDI for a given data source
+create table apidb.WorkflowVdiTuningTableBatch (
+  workflow_id number(10) NOT NULL,
+  organism_abbrev varchar(20),  -- nullable for eg global workflow
+  start_timestamp DATE NOT NULL,  -- time from apidb.tuningtable
+  end_timestamp DATE NOT NULL,    -- time from apidb.tuningtable
+  is_complete number(1)           -- =1 if complete
+  PRIMARY KEY (workflow_id, organism_abbrev)
+);
+
+GRANT INSERT, SELECT, UPDATE, DELETE ON apidb.WorkflowTuningTableBatch TO gus_w;
+GRANT SELECT ON apidb.WorkflowTuningTableBatch TO gus_r;
+
+----------------------------------------------------------------------------
+
+-- Track the status of workflow artifacts submitted to VDI.  See the VDI API for expected status values.
+create table apidb.WorkflowVdiStatus (
+  vdi_id varchar2(32) NOT NULL,
+  modification_time DATE NOT NULL,  -- last status update
+  vdi_import_status varchar(30),
+  vdi_install_status varchar(30),
+  vdi_meta_status varchar(30),
+  vdi_delete_status varchar(30),
+  vdi_error_message varchar(500) -- error message for most recent failure.  Only track one.
+  PRIMARY KEY (vdi_id)
+);
+
+GRANT INSERT, SELECT, UPDATE, DELETE ON apidb.WorkflowVdiStatus TO gus_w;
+GRANT SELECT ON apidb.WorkflowVdiStatus TO gus_r;
+
+
+exit;
diff --git a/Main/lib/sql/apidbschema/Oracle/dropWorkflowVdi.sql b/Main/lib/sql/apidbschema/Oracle/dropWorkflowVdi.sql
new file mode 100644
index 0000000..063d5fc
--- /dev/null
+++ b/Main/lib/sql/apidbschema/Oracle/dropWorkflowVdi.sql
@@ -0,0 +1,5 @@
+drop table ApiDB.WorkflowArtifactVdiId;
+drop table ApiDB.WorkflowTuningTableBatch;
+drop table ApiDB.WorkflowVdiStatus;
+
+exit;