DBMS transactions must follow the ACID properties to be considered serializable. There are different types of serializability in DBMS, each with its own benefits and drawbacks. In most cases, selecting the right
Types of DBMS Keys There are a total of 11 keys in the DBMS that you can use based on your requirements. DBMS keys are super key, candidate key, primary key, composite key, compound key, secondary or alternative key, non-key attribute, non-prime attribute, foreign key, simple key, and...
The conceptual model is developed independently of hardware specifications like data storage capacity, location or software specifications like DBMS vendor and technology. The focus is to represent data as a user will see it in the “real world.” Conceptual data models known as Domain models create...
When an Insert, Update, or Delete statement is processed, the DBMS has to propagate the change from the table to the dependent structures, so that they are always kept consistent which each other. This allows subsequent data retrieval queries to return the same data independently on whether they...
When an Insert, Update, or Delete statement is processed, the DBMS has to propagate the change from the table to the dependent structures, so that they are always kept consistent which each other. This allows subsequent data retrieval queries to return the same data independently on whether they...