Explain atomicity and aggregation?
Submitted by: AdministratorAtomicity:
Either all actions are carried out or none are. Users should not have to worry about the effect of incomplete transactions. DBMS ensures this by undoing the actions of incomplete transactions.
Aggregation:
A concept which is used to model a relationship between a collection of entities and relationships. It is used when we need to express a relationship among relationships.
Submitted by: Administrator
Either all actions are carried out or none are. Users should not have to worry about the effect of incomplete transactions. DBMS ensures this by undoing the actions of incomplete transactions.
Aggregation:
A concept which is used to model a relationship between a collection of entities and relationships. It is used when we need to express a relationship among relationships.
Submitted by: Administrator
Read Online Hierarchical Job Interview Questions And Answers
Top Hierarchical Questions
| ☺ | Explain the advantages and disadvantages of a Hierarchical Database? |
| ☺ | Explain Phantom Deadlock? |
| ☺ | Explain atomicity and aggregation? |
| ☺ | Explain a checkpoint and When does it occur? |
| ☺ | What is Database Definition (DBD)? |
Top Databases Programming Categories
| ☺ | RDBMS Interview Questions. |
| ☺ | SQL Interview Questions. |
| ☺ | SSRS Interview Questions. |
| ☺ | Database Administrator (DBA) Interview Questions. |
| ☺ | Sybase Interview Questions. |
