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User error: This contains errors in the program (e.g., Logical errors) with errors made by online users of database. These types of errors can be avoided by applying some check situations in programs or by limiting the access rights of online users' example, read only. So only updating or insertion operation needs appropriate check routines that perform appropriate checks on the data being modified or entered. In case of an error, some prompts can be passed to user to enable him/her to accurate that error.
What do you understand by a view? What does WITH CHECK OPTION clause for a view do? - A view is a virtual table which comprises fields from one or more real tables. - It is
Function requirement as given: 1> manage fans and likes and followings those information from facebook. twitter. google+ and linkedin etc 2> Organize the clients from email m
Describe Query evaluation engine? Query Evaluation engine: Vehicle executes low-level instructions obtained through the DML compiler. The Storage Manager Components gives in
Update Anomaly : This anomaly is occurred due to data redundancy. Redundant information makes updates more complex since, for example, varying the name of the instructor of MCS-014
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
What is equi join? Equi Join - It generates all the combinations of tuples from two relations which satisfy a join condition along with only equality comparison (=).
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
Draw an EER diagram that captures the "is-a" hierarchy of students in another simple database. The database captures both the "basic" information (say, student ID and student name)
1. A company wants a report containing a breakdown of payroll by department. Input, which should be stored in 3 parallel arrays, includes each employee's department number, hourly
What Command You Use What Day of the week were you born
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