Learn how to add a column in DBMS using SQL and what benefits and challenges to consider. A practical and easy-to-follow guide for beginners.

Hello reader!if you wish to add, delete or modify columns in an existing table you can do this with the help of alter command.the syntax to change or we can say to modify a column in an existing table ...

Identity field is typically used as a primary key in database. when a new record is inserted into a table, this field automatically assigns an incremented value to this column.however, inserting our ...

SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of changes to your data. Here's how to both create those tables and alter existing tables so they track the ...