SQL Keywords Reference

sql  Following are four basic SQL Operations or SQL Statements SELECT statement selects data from database tables UPDATE statement updates existing data into What is SQL? SQL stands for Structured Query Language SQL is a computer language used to interact with relational database systems SQL is a

SQL allows you to query the database in a variety of ways, using English-like statements It's used on websites for back-end data storage and SQL Keywords Keyword, Description ADD, Adds a column in an existing table ADD CONSTRAINT, Adds a constraint after a table

A Free Online SQL tutorial for SQL developers, SQL beginners and SQL data analysts with many SQL examples Learning SQL  SQLBolt provides a set of interactive lessons and exercises to help you learn SQL