SQL SELECT is used for displaying specific information from a database table. It indicates that some data has to be fetched from the table. Basic Select Statements Previously
Views are virtual tables which groups necessary data from two or more real tables and represent them into a single virtual table. Views can also be used to
This session is all about Insertion. SQL provides INSERT statement which helps to insert one or more records of data into the database table. Let us consider a default
When there is creation, there exists destruction. Deleting a database, tables or records is very simple in SQL and is done using DROP/DELETE command. Note that drop and delete
Once a table has been created, renaming it or changing the datatypes are common. You may also prefer to add or delete columns in a table. For this purpose, SQL
In this session, let us see how to create Databases and Tables in SQL. The first step in SQL is creation of database. Collection of tables, views, procedures constitutes
Datatypes are necessary as it tells the computer how the data is intended to use. So we must specify datatypes to identify the type of a variable, for instance, INT