Advertisements
Advertisements
प्रश्न
What is a relationship in databases? List its types.
टिप्पणी लिखिए
उत्तर
There exists a relationship between two tables when the foreign key of one table references the primary key of other tables.
The Entity-Relationship(ER) diagram is based on the three types listed below.
- One-to-One relationship
- One-to-Many relationship
- Many-to-Many relationship
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
What is meant by cell address?
What is the acronym of DBMS?
A tuple is also known as ______
What is not a DBMS?
A database ______ certain details about how data is actually stored and maintained.
Which of the following is not a real-life application of database?
Constraints are used to ______.
Give the term for the following:
DBMS creates a file that contains a description of the data stored in the database.
State the following rules of DBMS.
Entity Integrity
Why is database testing important?
