Update README.md

README.md

@@ -43,12 +43,36 @@ This dataset comprises application and OS vulnerabilities aggregated from multip
 The vulnerability database comprises two SQLite database files.
 
 - data.index.vdb6 - A smaller index database optimized for quick purl or cpe string searches and vers-based range comparisons.
+- data.vdb6 - Full CVE source database containing normalized data in CVE 5.1 specification formation and purl prefix.
 
-![Index schema](./docs/vdb-index-schema.png)
+### cve_index schema
 
-- data.vdb6 - Full CVE source database containing normalized data in CVE 5.1 specification formation and purl prefix.
+```sql
+CREATE TABLE if not exists cve_index(
+  cve_id TEXT NOT NULL,
+  type TEXT NOT NULL,
+  namespace TEXT,
+  name TEXT NOT NULL,
+  vers TEXT NOT NULL,
+  purl_prefix TEXT NOT NULL
+)
+```
 
-![Data schema](./docs/vdb-schema.png)
+### cve_data schema
+
+```sql
+CREATE TABLE if not exists cve_data(
+  cve_id TEXT NOT NULL,
+  type TEXT NOT NULL,
+  namespace TEXT,
+  name TEXT NOT NULL,
+  source_data BLOB NOT NULL,
+  override_data BLOB,
+  source_data_hash TEXT NOT NULL,
+  vers TEXT NOT NULL,
+  purl_prefix TEXT NOT NULL
+)
+```
 
 ## Folders
 
@@ -112,7 +136,7 @@ Search the `cve_index` table in the index database first to retrieve any matchin
 
 ```sql
 SELECT DISTINCT cve_id, type, namespace, name, source_data_hash, json(source_data), json(override_data), purl_prefix FROM cve_data
-    WHERE cve_id = ? AND purl_prefix = ?
+    WHERE cve_id = ? AND vers = ? AND purl_prefix = ?
     GROUP BY purl_prefix
     ORDER BY cve_id DESC;
 ```
@@ -126,7 +150,7 @@ Use the below citation in your research.
 ```text
 @misc{vdb,
   author = {Team AppThreat},
-  month = Feb,
+  month = May,
   title = {{AppThreat vulnerability-db}},
   howpublished = {{https://huggingface.co/datasets/AppThreat/vdb}},
   year = {2025}