extract value from json array
I've the json:
{
"rowSerchResultContext": 1,
"columns": [
{
"id": "DOCNUMBER",
"label": "System ID",
"position": 0,
"columnType": "Int",
"visible": true
}
],
"data": [
[
75
],
[
78
]
]
}
what's the instruction in Oracle 11g for extract the value 75 and 78