How to convert nested json object into a mysql table?

Member

by jasen , in category: MySQL , 2 months ago

How to convert nested json object into a mysql table?

Facebook Twitter LinkedIn Telegram Whatsapp

1 answer

Member

by gilbert , 2 months ago

@jasen 

To convert a nested JSON object into a MySQL table, you would need to perform the following steps:

  1. Create a MySQL table with appropriate columns that match the structure of the nested JSON object.
  2. Parse the JSON object using a programming language like Python, JavaScript, or PHP.
  3. Extract the values from the JSON object and insert them into the MySQL table using SQL queries.


Here is an example using Python:

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
import json
import mysql.connector

# Connect to MySQL
db = mysql.connector.connect(
  host="localhost",
  user="your_username",
  password="your_password",
  database="your_database"
)
cursor = db.cursor()

# Create the table
create_table_query = "CREATE TABLE IF NOT EXISTS table_name (column1 datatype, column2 datatype, ...)"
cursor.execute(create_table_query)

# Read the JSON file
with open('nested_json_file.json') as file:
    data = json.load(file)

# Iterate over the JSON object and insert values into the table
for item in data:
    column1_value = item['column1_key']
    column2_value = item['column2_key']
    # Extract other values as needed
    
    # Insert values into the table
    insert_query = "INSERT INTO table_name (column1, column2, ...) VALUES (%s, %s, ...)"
    values = (column1_value, column2_value, ...)
    cursor.execute(insert_query, values)

# Commit the changes and close the connection
db.commit()
cursor.close()
db.close()


Replace your_username, your_password, your_database, table_name, column1_key, column2_key, datatype, and any other necessary placeholders with your actual database credentials and column names.


This example assumes the presence of a JSON file named nested_json_file.json that contains the nested JSON object.