Nodejs Programming Tutorials, Guides & Best Practices

• db.serialize(): Ensures that the database operations are executed sequentially.
• CREATE TABLE IF NOT EXISTS: Creates the "accounts" table only if it doesn't already exist, preventing errors on subsequent runs.
• Column Definitions:
• private_key TEXT: Stores the private key as text.
• address TEXT: Stores the wallet address.
• decimalNumber TEXT: Stores numerical values as text (consider using INTEGER or REAL if appropriate).
• has_transactions BOOLEAN: Stores a boolean value indicating if there are transactions.

Run the updated app.js: