Introduction of the term surrogate key
Give a brief introduction of the term surrogate key?
A surrogate key is a distinctive identifier in the database either for an entity in the modeled object or word in the database. Application data is not employed to get surrogate key. Surrogate key is within generated key through the current system and is imperceptible to the user. As numerous objects are accessible in the database corresponding to surrogate, surrogate key cannot be used as primary key.
What do you understand by the term foreign key in DBMS, and why is it employed for?
How can I partition any table in Sybase? Explain.
Explain the way of establishing connection by ODBC.
Write down a short note on the Global Temporary tables (GTT).
Define the term merge stage?
Write a short on the differences of the two principal types of packaged data models.
You have two tables, STUDENT and COMPUTER which are in a one-to-one relationship. The foreign key is StudNumber in COMPUTER that references StudNumber as the primary key of STUDENT. Describe what must be done to convert the one--to-one STUDENT -COMPUT
State various types of the input links within the data stage?
The Hatcher Company is in the process of developing a new inventory management system. One of the event handling processes in that system is Receive Supplier Shipments. The (inexperienced) systems analyst on the project has spent time in the warehouse observing this process and develo
Explain the term Account and Directory options?
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!