Importance of SQL

• It is used to create a database.
• It is used to create tables in a database.
• It is used to create views.
• It is used to insert new data into a database.
• It is used to delete unwanted data from a database.
• It is used to update/modify old data to new data.
• It is used to fetch/retrieve/access data from a database.
• It is used to create stored procedures.
• It is used to store indexes, triggers, and cursors.

Applications of SQL

In today's data-driven landscape, the ability to efficiently work with databases is crucial. Here's why SQL matters:

1. Data Retrieval: SQL allows you to retrieve specific data from vast amounts of stored information. You can ask complex questions and get precise answers swiftly.
2. Data Manipulation: You can add, update, and delete records using SQL statements, ensuring that the database stays up-to-date and accurate.
3. Data Analysis: SQL facilitates data aggregation, sorting, and grouping, enabling you to gain insights by summarizing and comparing data.
4. Database Design: Understanding SQL aids in designing effective databases, ensuring data is organized, normalized, and easily accessible.
5. Business Intelligence: Many business decisions are data-driven. SQL skills allow you to extract relevant data for analysis, aiding in informed decision-making.
6. Application Development: SQL integration in applications enables dynamic data-driven functionalities, making applications more interactive and valuable.
7. E-commerce: SQL is used to manage product catalogues, customer information, order history, and inventory levels in e-commerce platforms.
8. Finance and Banking: SQL helps manage customer accounts, transactions, balance tracking, and generating financial reports.