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This repository contains the financial sql database of MySQL which can be used for performing analysis on the financial data.

financial-sql-database's Introduction

Financial-SQL-Database

This repository contains the financial sql database of MySQL which can be used for performing analysis on the financial data.

Data Definition Language (DDL)

DDL is a subset of SQL statements used for defining and managing the structure of a database and its objects. It focuses on creating, modifying, and deleting database objects such as tables, views, indexes, and schemas. The following are some commonly used DDL statements:

  • CREATE: Used to create a new database object, such as a table, view, index, or schema.
  • ALTER: Used to modify the structure of an existing database object. It can be used to add or delete columns, modify data types, or rename objects.
  • DROP: Used to delete an existing database object.
  • TRUNCATE: Used to delete all data from a table while keeping its structure intact.
  • RENAME: Used to rename an existing database object.
  • COMMENT: Used to add comments or annotations to a database object.

Data Manipulation Language (DML)

DML is a subset of SQL statements used for manipulating data stored within the database objects. It focuses on querying, inserting, updating, and deleting data. The following are some commonly used DML statements:

  • SELECT: Used to retrieve data from one or more tables based on specified criteria.
  • INSERT: Used to add new rows of data into a table.
  • UPDATE: Used to modify existing data within a table.
  • DELETE: Used to delete rows of data from a table.
  • MERGE: Used to combine insert, update, and delete operations into a single statement.

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