Jevko is a data notation created in 2021.
| #2221on PLDB | 3Years Old |
first name [John]
last name [Smith]
is alive [true]
age [27]
address [
street address [21 2nd Street]
city [New York]
state [NY]
postal code [10021-3100]
]
phone numbers [
[
type [home]
number [212 555-1234]
]
[
type [office]
number [646 555-4567]
]
]
children []
spouse []