Question
In an E-R diagram, a double rectangle represents a:
Solution
Answer: B) Weak Entity
More IT DBMS Questions
- A data warehouse is primarily characterized by which of the following properties?
- Which SQL command is used to retrieve data from a database?
- What is the output of the following pseudo-code?  ```   count = 0   for i from 1 to 3:     for j from 1 to i:       count = count + 1 ...
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- Which key uniquely identifies a record in a table?
- ACID properties in DBMS ensure:
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- What is a primary key in a relational database?
- Examine the following Java-like code:   ```java   class Parent {     String name = "Parent";     public void display() {       Syst...
- Indexing in DBMS improves:
