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Database scaling & optimization

Indexing, connection pooling, read replicas, query tuning, and throughput-aware SQL.

3 matches

How to Batch Load JSON Data in Python for Database Optimization

This code parses JSON data into records and loads them in batches to simulate efficient database insertion, reducing load and improving performance.

json batching database

Python

import json
import time

def parse_and_load(data, batch_size=100):
    """
    Parse JSON data and batch-load into a list of dicts.
    Demonstrates batching for database efficiency.
    """
    records = json.loads(data)
    batches = []

    for i in range(0, len(records), batch_size):
        batch = records[i:i + …

12 0 Open

Database scaling & optimization easy

How to Create a Database Helper Class for Beginners in Python

Build a beginner-friendly SQLite helper class with indexing and batch inserts to optimize database queries in Python.

sqlite database indexing

Python

import sqlite3


class DatabaseHelper:
    def __init__(self, db_path):
        self.connection = sqlite3.connect(db_path)
        self.cursor = self.connection.cursor()

    def create_table_with_index(self, table_name, columns, indexed_column):
        columns_sql = ", ".join(f"{name} {dtype}" for name, dtype in col…

13 0 Open

Database scaling & optimization easy

How to Insert a Mock Route Record Using SQLite in Python

This code creates an in-memory SQLite table for routes and inserts a mock route record, returning the inserted row for verification.

sqlite database insert

Python

import sqlite3
from datetime import datetime

def insert_mock_record(db_path=":memory:"):
    conn = sqlite3.connect(db_path)
    cursor = conn.cursor()
    cursor.execute("""
        CREATE TABLE IF NOT EXISTS routes (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            origin TEXT NOT NULL,
            des…

14 0 Open

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