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Primary Key vs Candidate Key Though primary key is selected from the candidate keys there exist some difference between the primary key and the other candidate keys, which will be discussed in detail in this article. Database designing is one of the most important activity that should be done when maintaining and storing data. During […]
View vs Table Views and tables, both are two database object types. In simple words, Views are stored or named select queries. They can be created as shown below. Create or replace view view_name As Select_statement; Tables are made up of columns and rows. A column is a set of data, which belongs to […]
The key difference between foreign key and primary key is that foreign key is a column or a set of columns that refer to a primary key or a candidate key of another table while primary key is a column or a set of columns that can be used to uniquely identify a row in […]
Primary key vs Unique key A column or a set of columns, which can be used to identify or access a row or a set of rows in a database is called a key. A unique key is a key that can uniquely identify a row in a table in the context of relational databases. […]
