Explanation:In a Type 3 driver, a three-tier approach is used to accessing databases. The JDBC clients use standard network sockets to communicate with an middleware application server.In a Type 4 driver, a pure Java-based driver that communicates directly with vendor’s database through socket connection. 5. What MySQL property is used to create a surrogate key in MySQL?
A. UNIQUE
B. SEQUENCE
C. AUTO_INCREMENT
D. None of the mentioned
Answer:A
Explanation:In a Type 3 driver, a three-tier approach is used to accessing databases. The JDBC clients use standard network sockets to communicate with an middleware application server.In a Type 4 driver, a pure Java-based driver that communicates directly with vendor’s database through socket connection. 5. What MySQL property is used to create a surrogate key in MySQL?
A. UNIQUE B. SEQUENCE C. AUTO_INCREMENT D. None of the mentioned
Explanation:A surrogate key in a database is a unique identifier for either an entity in the modeled world or an object in the database. 6. A JSP is transformed into a(n):