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System error:These contain errors in database system or the OS, example, deadlocks.Such errors are fairly hard to detect and need reprogramming the erroneous components of the system software.
What is object containment? References among objects can be used to model dissimilar real-world concepts.
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
Question (a) Visual Basic is governed by an event processor. Explain the meaning of this phrase. (b) Differentiate between an general procedure and event procedure. (c)
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Explain the relevance of Data Dictionary in a Database System? Data dictionary is a database in its own right residing on the disk that consist of Meta data which is = Data abo
What is DML Query Langauge? Data Manipulation Language (DML) - A data manipulation language is a language in which enables users to access or manipulate data as organized throu
Consider student (std_id, std_name, date_of_birth, phone, dept_name). Put the data for a student with student id200, name arun, birth date 1 February, 1985, phone number (01110 328
What is serialization? Where it is used and why? Serialization is a basic term used for mechanisms which enable objects and object structures to be converted into portable for
Define Fifth Normal form is concerned with Ans : Fifth Normal form is concerned with Join dependency.
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