SQL Demystified: Understanding the Language and Its Commands
What is SQL? SQL, or Structured Query Language, is a programming language that is used to manage and manipulate relational databases. Relational databases store data in tables, which are related to each other by common attributes or columns. SQL is used to create and modify database structures, insert, update, and delete data, and query data to retrieve specific information. SQL is considered the standard language for relational database management systems (RDBMS) and is used by developers, data analysts, and data scientists to manage data and perform complex data analysis tasks. What can SQL do? - SQL can execute queries against a database. - SQL can retrieve data from a database. - SQL can insert records in a database. - SQL can update records in a database. - SQL can delete records from a database. - SQL can create new databases. - SQL can create new tables in a database. - SQL can create stored procedures in a d...