diff --git a/pgsql/init.sql b/pgsql/init.sql
index cc54f90..04483b6 100644
--- a/pgsql/init.sql
+++ b/pgsql/init.sql
@@ -20,7 +20,7 @@ CREATE TABLE nodes (
 
 CREATE TABLE events (
     id bigserial NOT NULL primary key,
-    tstamp timestamp NOT NULL   // ??? better timestamptz?
+    tstamp timestamptz default current_timestamp
 );
 
 CREATE TABLE triples (
@@ -49,39 +49,35 @@ ALTER TABLE texts OWNER TO cco;
 
 -- data
 
-INSERT INTO events (tstamp) values (transaction_timestamp());
+INSERT INTO events default values;
 
-INSERT INTO namespaces (iri, prefix) 
-    VALUES ('http://cyberconcepts.org/cco-common#', 'cco'); -- 1
-INSERT INTO namespaces (iri, prefix)
-    VALUES ('http://www.w3.org/1999/02/22-rdf-syntax-ns#', 'rdf'); -- 2
-INSERT INTO namespaces (iri, prefix) 
-    VALUES ('http://www.w3.org/2000/01/rdf-schema#', 'rdfs'); -- 3
+INSERT INTO namespaces (iri, prefix) VALUES 
+    ('http://cyberconcepts.org/cco-common#', 'cco'),        -- 1
+    ('http://www.w3.org/1999/02/22-rdf-syntax-ns#', 'rdf'), -- 2
+    ('http://www.w3.org/2000/01/rdf-schema#', 'rdfs');      -- 3
 
-INSERT INTO datatypes (dtname, tablename) VALUES ('namespace', 'namespaces'); -- 1
-INSERT INTO datatypes (dtname, tablename) VALUES ('node', 'nodes'); -- 2
-INSERT INTO datatypes (dtname, tablename) VALUES ('datatype', 'datatypes'); -- 3
-INSERT INTO datatypes (dtname, tablename) VALUES ('event', 'events'); -- 4
-INSERT INTO datatypes (dtname, tablename) VALUES ('triple', 'triples'); -- 5
-INSERT INTO datatypes (dtname, tablename) VALUES ('text', 'texts'); -- 6
-INSERT INTO datatypes (dtname) VALUES ('int');             -- 7
-INSERT INTO datatypes (dtname) VALUES ('float');           -- 8
-INSERT INTO datatypes (dtname) VALUES ('decimal');         -- 9
-INSERT INTO datatypes (dtname) VALUES ('timestamp');       -- 10
+INSERT INTO datatypes (dtname, tablename) VALUES 
+    ('namespace', 'namespaces'),    -- 1
+    ('node', 'nodes'),              -- 2
+    ('datatype', 'datatypes'),      -- 3
+    ('event', 'events'),            -- 4
+    ('triple', 'triples'),          -- 5
+    ('text', 'texts');              -- 6
+INSERT INTO datatypes (dtname) VALUES 
+    ('int'), ('float'), ('decimal'), ('timestamp'); -- 7, 8, 9, 10
 
-INSERT INTO nodes (namespace, name) VALUES (2, 'type');    -- 1
-INSERT INTO nodes (namespace, name) VALUES (2, 'Property');-- 2
-INSERT INTO nodes (namespace, name) VALUES (3, 'Class');   -- 3
+INSERT INTO nodes (namespace, name) VALUES 
+    (2, 'type'),        -- 1
+    (2, 'Property'),    -- 2
+    (3, 'Class');       -- 3
 
 -- basic triples: type assignments for 
 -- type -> Property; Property, Class -> Class
 
-INSERT INTO triples (stype, svalue, predicate, otype, ovalue, creation) 
-    VALUES (2, 1, 2, 2, 2, 1);
-INSERT INTO triples (stype, svalue, predicate, otype, ovalue, creation)
-    VALUES (2, 2, 2, 2, 3, 1);
-INSERT INTO triples (stype, svalue, predicate, otype, ovalue, creation) 
-    VALUES (2, 3, 2, 2, 3, 1);
+INSERT INTO triples (stype, svalue, predicate, otype, ovalue, creation) VALUES 
+    (2, 1, 2, 2, 2, 1),
+    (2, 2, 2, 2, 3, 1),
+    (2, 3, 2, 2, 3, 1);
 
 -- indexes