Changing the Structure of a Table
Explore how to effectively modify database tables using the SQL ALTER TABLE statement without rebuilding tables. Understand the syntax, possible actions, and considerations about data integrity and relationships. Learn how to simplify queries with table and column aliases to enhance readability.
We'll cover the following...
We'll cover the following...
Understanding table evolution
Any software system goes through changes during the development as well as the maintenance cycles. In many cases, the database structure would also need to be modified accordingly.
Technical Quiz
1.
(Select all that apply.) Pick all the changes or adaptations you could expect to encounter in the structure of database tables. Multi-select
A.
Add a new column.
B.
Delete an existing column.
C.
Rename a column.
D.
Change the datatype associated with a column.
E.
Rename a table.
1 / 1
...