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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.
Explain Deadlock detection and recovery Deadlock Detection - A deadlock is said to take place when there is a circular chain of transaction, every waiting for the release of a
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
Explain TPS concurreny executions stating their advantages in online business advancement
What is foreign key? A relation schema r1 derived from an ER schema may contain among its attributes the primary key of another relation schema r2.this attribute is known as a
give some example real life situation where DBMS are most suitable
In an organisation various projects are undertaken. Each projects can employ one or more employees. Every employee can work on one or more projects. Each project is undertaken on
I have to create a database about anything of my choice. It has to contain 4 queries, and 4 forms. It can be anything as simple as a shoe inventory with numbers - is this a service
What are stored-procedures? And what are the advantages of using them? Stored procedures are database objects that perform a user defined operation. A stored procedure can have
Scenario: You are a freelance database designer who has just been contacted by a small software development company named Altair Software. The president of the company has asked
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