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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 is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
What is an Operand? The data on which the operation is to be performed is known as an Operand
Give the forms of triggers? The triggering event can be insert or delete. For updated the trigger can state columns. The referencing old row as clause The referencing
What is NULL? Simply NULL means not in value.
Implementation and SQL Applications
Availability: A site having the copy of a replicated relation fails, even then the relation may be found in another site. Therefore, the system may carry on to process at least th
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
List out various user authorization to modify the database schema. a) Index authorization b) Resource authorization c) Alteration authorization d) Drop authorizat
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