Adding the challenge 0204

0204/table.go

@@ -0,0 +1,20 @@
+package db0204
+
+type DB struct {
+	KV KV
+}
+
+func (db *DB) Open() error  { return db.KV.Open() }
+func (db *DB) Close() error { return db.KV.Close() }
+
+func (db *DB) Select(schema *Schema, row Row) (ok bool, err error)
+
+func (db *DB) Insert(schema *Schema, row Row) (updated bool, err error)
+
+func (db *DB) Upsert(schema *Schema, row Row) (updated bool, err error)
+
+func (db *DB) Update(schema *Schema, row Row) (updated bool, err error)
+
+func (db *DB) Delete(schema *Schema, row Row) (deleted bool, err error)
+
+// QzBQWVJJOUhU https://trialofcode.org/