I'm doing some exercices waiting for the exam. I have some doubt. RELATIONAL ALGEBRA These are the table: Newspaper (Cod_n, Name_n, Publisher) Article (Cod_a, Title, Topic, ...
I have a database having Millions of records in three tables. Now i want to split these three tables in multiple tables to reduce redundancy and data duplication. A lot of records(Persons) have ...
I am designing a database to store records for research purposes, and I am having trouble picturing how I can create a relational database based on the information I have. There are a total of 6 ...
I am new to the Yii Framework. I discovered HAS MANY and BELONGS TO in the documentation, however I am confused about these features. Can someone give some real life examples with a diagram that ...