diff --git a/sql/drop.sql b/sql/drop.sql
index 8763f5d..12aa66e 100644
--- a/sql/drop.sql
+++ b/sql/drop.sql
@@ -25,6 +25,7 @@ DROP TABLE site_sections_lookup;
 DROP TABLE site_access_lookup;
 DROP TABLE sitemap;
 DROP TABLE system_settings;
+DROP TABLE sys_deleted;
 DROP TABLE units_lookup;
 DROP TABLE units_organisations_link;
 DROP TABLE users;
diff --git a/sql/tables.sql b/sql/tables.sql
index b72a662..089c11a 100644
--- a/sql/tables.sql
+++ b/sql/tables.sql
@@ -200,6 +200,12 @@ name CHAR(255) NOT NULL,
 value CHAR(255) NOT NULL
 );
 
+CREATE TABLE sys_deleted ( 
+id INTEGER NOT NULL UNIQUE AUTO_INCREMENT,
+table_name CHAR(255) NOT NULL,
+datetime DATETIME NOT NULL
+);
+
 CREATE TABLE units_lookup ( 
 id INTEGER NOT NULL UNIQUE AUTO_INCREMENT,
 name CHAR(100) NOT NULL
@@ -397,6 +403,11 @@ ADD CONSTRAINT PK_system_settings
 PRIMARY KEY (id)
 ;
 
+ALTER TABLE sys_deleted
+ADD CONSTRAINT PK_sys_deleted
+PRIMARY KEY (id)
+;
+
 ALTER TABLE units_lookup
 ADD CONSTRAINT PK_units_lookup
 PRIMARY KEY (id)