Json hash save into relational database in rows and columns - json

Question

I want to read the values from json and need to create a new json so is there any way that
we can save json in table and columns in oracle that will help to perform calculation on that. calculation is too complax.
Here is the json sample and json has many hash and
{
"agri_Expense": {
"input": 6000,
"max": 7500,
"check": 7500
},
"income3": {
"Hiring_income": 239750
},
"Operational_Cost1": [
{
"Field_input3": 10000,
"Minimum": "0.05",
"Check_Input": 26750,
"Tractor_Cost": "Maintenance"
}
]
}

Answer 1

You do not need PL/SQL, and can do it entirely in SQL.
I want to read the values from json [...] so is there any way that
we can save json in table and columns in oracle
Yes, use SQL to create a table:
CREATE TABLE table_name ( json_column CLOB CHECK ( json_column IS JSON ) )
and then INSERT the value there:
INSERT INTO table_name ( json_column ) VALUES (
'{'
|| '"agri_Expense": {"input": 6000,"max": 7500,"check": 7500},'
|| '"income3": {"Hiring_income": 239750},'
|| '"Operational_Cost1": [{"Field_input3": 10000,"Minimum": "0.05","Check_Input": 26750,"Tractor_Cost": "Maintenance"}]'
|| '}'
)
then, if you want individual values, SELECT using JSON_TABLE:
SELECT j.*
FROM table_name t
CROSS JOIN JSON_TABLE(
t.json_column,
'$'
COLUMNS (
agri_expense_input NUMBER PATH '$.agri_Expense.input',
agri_expense_max NUMBER PATH '$.agri_Expense.max',
agri_expense_check NUMBER PATH '$.agri_Expense.check',
income3_hiring_income NUMBER PATH '$.income3.Hiring_income',
NESTED PATH '$.Operational_Cost1[*]'
COLUMNS (
oc1_field_input3 NUMBER PATH '$.Field_input3',
oc1_minimum NUMBER PATH '$.Minimum',
oc1_check_input NUMBER PATH '$.Check_Input'
)
)
) j
Which outputs:
AGRI_EXPENSE_INPUT | AGRI_EXPENSE_MAX | AGRI_EXPENSE_CHECK | INCOME3_HIRING_INCOME | OC1_FIELD_INPUT3 | OC1_MINIMUM | OC1_CHECK_INPUT
-----------------: | ---------------: | -----------------: | --------------------: | ---------------: | ----------: | --------------:
6000 | 7500 | 7500 | 239750 | 10000 | .05 | 26750
db<>fiddle here