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The modification problem in data base is that if some changed their address then the column can not be having the previous address. In this case the the address column should be left empty.
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What is a modification problem what are the three possible types of modification problems database?
The three possible types of modification problems are: Deletion, update, and insertion problems
Enter on the database or in the database?
We would use in rather than on. Data is stored in a database, not on a database. Data is entered into a database not onto a database.
What is active database and cloud database?
The database we use in our daily life is called as active database . The data that is stored in the database which is further stored on the cloud is called cloud database.
Database Design Tools?
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Database Design?
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What is a modification problem what are the three possible types of modification problems database?
The three possible types of modification problems are: Deletion, update, and insertion problems
What is trigger in oracle?
A trigger is executed automatically when database modification done.
What are the salient features of deferred database modification and immediate database modification schemes for recovery?
In deffered database the transaction is committed after the transaction is completed i.e(the transaction has completed its partially committed state) where as for immediate database the transaction is commited when tha transaction is in the active state. keta shah Oracle DBA track trainer ITS knp_shah@yahoo.co.in
What problems could occur if a student database is not maintained?
What problem can occur if a student database is not maintained
Why is anomalies required in database?
Anomalies are not required in a database. An anomaly is a inconsistency or a problem. A well designed database should not have any anomalies. If there are some, they can cause problems for the users and for the reliability and efficiency of the database.
What are properties of database?
The interrelated data/records are stored in the database . Properties of database are that it maintains integrity of data, security of data, reduces problem in accessing the data.
What is the meant by anomaly in database?
Data anamaly means same type of data present in database as a duplication.So while updating or modifying the information in the database we gets the problem of data inconsistency to solve this problem we need to remove the duplicated data
Database assertion its types and enforcement?
Hi, for database assertion has no type, what it does is something like this:1. it's created by "create assertion assertion_name check (condition);2. "condition" in the above statement could be any query that involves a boolean expressionsuch as >=,
How do you solve vogel's approximation problem?
I've developed new modification over VAM.
Which of these describes a database security problem that occurs when actions of database users are not properly tracked?
Limited audit log settings
What are databases?
Here I have a www.myelibrary.net site, contains almost all database problem.
What do you understand by assertion in database management system?
Relational database system supports general constraints in the form of assertions,assertions involve several table and are checked whenever modification is done,assertions can use the full power of SQL queries to specify the desired restrictions.
