SQL - SELECT Statement “Select” introduction: The SELECT statement is used to retrieve the data from the database tables. We can get all the data or only some part of the data. We can also perform specific operations like filtering and aggregation on the data using the SELECT statement. Syntax: SELE...
SQL - INSERT In this tutorial, we shall understand how to insert data into tables and access them. Before discussing inserting the values, let’s look over the rules of SQL. Since we use SQL as a communication language, it is better to understand its guidelines completely. Basic rules in writing SQL ...
SQL - Databases and Tables Introduction to SQL Like the languages we use to communicate with the surrounding people, SQL is a language we use to communicate with databases. By using this language, we can communicate with the database to fetch the data from the database and modify the data within the...