ER Diagrams Symbols Quiz PDF: Questions and Answers - 231

MCQ 1151: In an E-R diagram, identifying relationship sets linked to weak entity sets, are represented by

1. Diamonds
2. Dashed lines
3. Double Lines
4. Double diamonds

MCQ 1152: Oracle Database acquires a DDL lock on behalf of?

1. Explicit action
2. Transaction
3. Query
4. Retrieval

MCQ 1153: The Open Database Connectivity (ODBC) standard to use with the C language is a commonly used

1. Application process interface
2. Adapter process interface
3. Application program interface
4. Adapter program interface

MCQ 1154: The second parameter to getConnection is a database

1. URL
2. User identifier
3. Password
4. Machine address

MCQ 1155: A trigger can be dropped, which removes it

1. Temporarily
2. Permanently
3. For specific actions
4. For limited time