Can you explain how SQL works in relational databases?
Sure! SQL, or Structured Query Language, is used to communicate with relational databases. It allows you to create, read, update, and delete data.
What are the main components of SQL?
The main components of SQL include commands like SELECT, INSERT, UPDATE, DELETE, and clauses such as WHERE, JOIN, and ORDER BY.
How does a JOIN work in SQL?
A JOIN in SQL combines rows from two or more tables based on a related column. For example, an INNER JOIN returns records with matching values in both tables.
Can you give me an example of a SQL query?
Certainly! A simple SQL query to select all users from a 'users' table would be: SELECT * FROM users;
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