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Blocking happens when one connection from an application holds a lock and a second connection requires a conflicting lock type. This forces the second connection to wait, blocked on the first. One connection can block another connection, regardless of whether they emanate from the same application or separate applications on different client computers.
points...
maintainablity
incorect database state
dead lock
incorrect data
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Differentiate manual database to a computerized database?
A manual database is a paper based database. A computerized database is one which is held on a computer in an organised manner. A computerized database is more advantageous than manual database in terms of speed, flexibility, and ease.A manual database would normally be data held on paper. So this could be things like a phone book or address book, or files held in a filing cabinet. A computerised database is held on a computer in an organised and structured form. Usually this is done using a database application such as Oracle or Access etc. It is easy to manipulate and extract data, so far more efficient than a manual database.
Who is responsible for database security?
Each database can have a security administrator who is in charge of enforcing and maintaining the database security policy. If the database system is small, the database administrator may also have security administrator responsibilities. To learn more about data science please visit- Learnbay.co
What is Modifying a database to keep it up to date?
The process of making a database current is called database updating or database maintenance. It is adding, editing, or deleting records in a database to help keep data current and relevant. It also may include further performance tuning, schema upgrades, security patching, and all other forms of maintaining database integrity and efficiency. Maintenance of a database helps to ensure it supports and maintains ongoing business needs and continues working efficiently in the long run. To know more..connectinfosoft
What is a database made up?
Database comprises of records that are related to each other. In database the data is stored in the form of tables, are called database tables .
What is the role of data manager in dbms?
DBMS stands for DataBase Management System. So it's role is basically to manage the database. More specifically this software controls the storage, organization, retrieval, integrity and security of the data in the database.
What is written in Redo Log Files?
The most crucial structure for recovery operations is the redo log, which consists of two or more preallocated files that store all changes made to the database as they occur. Every instance of an Oracle Database has an associated redo log to protect the database in case of an instance failure.
Where can I find a reverse phone number look up database?
Free phone tracer is a website that help you with your problem. It is the perfect reverse phone number look up database. For more information, you can check out http://www.freephonetracer.com/
Compare Database Systems and File Systems?
File system has data stored in flat files, which stores only processed data. Database system has data stored in table and they may or may not be related to each other. Database system is more efficient and also reduce redundant information which file system can not do.
What is a file on a database?
More than one record in a Database
Why is processed food bad?
Not all processed foods are bad. Define it more.
Is there any feature in lotus notes for auto-deletion of mails from server database after replicating to local database without effecting local database?
a combination of a one way replication and do not send deletions will solve this problem, but it is not a stable solution when you have more than 1 server (extra server like in clusters or webmail etc)
How important is database in business?
we get our work done more quickly and efficiently due to database
Disadvantage of temporal database?
temporal database is concept related to database store for a given timestamps so there is more storage required of storage media then simple conventional database.
What is multiuser database?
That is a database that can allow simultaneous record entry by more than one person.
Are there certain cities and towns where human trafficking is a serious problem?
Human trafficking can occur anywhere, but it is more likely to occur in places where people are in distress, not especially in any certain cities and towns.
Which type of database model is similar to a hierarchical database but allows each child record to have more than one parent record?
Network Database
Define the term database?
A database consists of an organized collection of data for one or more multiple uses
