{
  "table_name": "expense_type",
  "table_prefix": "expty",
  "field":[
    {
      "name":"expense_type_id",
      "type":"varchar",
      "length":40,
      "constraint":["primary key", "unique"]
    },
    {
      "name":"name",
      "type":"text"
    },
    {
      "name":"unit_price",
      "type":"double"
    },
    {
      "name":"year",
      "type":"integer"
    },
    {
      "name":"order_number",
      "type":"integer"
    },
    {
      "name":"cost_group",
      "type":"varchar",
      "length":40
    },
    {
      "name":"info",
      "type":"text"
    }
  ]
}
