t1 = [
{name: "TrackId", type: "integer", nullable: false, databaseType: "INTEGER"},
{name: "Name", type: "string", nullable: false, databaseType: "NVARCHAR(200)"},
{name: "AlbumId", type: "integer", nullable: true, databaseType: "INTEGER"},
{name: "MediaTypeId", type: "integer", nullable: false, databaseType: "INTEGER"},
{name: "GenreId", type: "integer", nullable: true, databaseType: "INTEGER"},
{name: "Composer", type: "string", nullable: true, databaseType: "NVARCHAR(220)"},
{name: "Milliseconds", type: "integer", inullable: false, databaseType: "INTEGER"},
{name: "Bytes", type: "integer", nullable: true, databaseType: "INTEGER"},
{name: "UnitPrice", type: "number", nullable: false, databaseType: "NUMERIC(10,2)"}
]