data miner
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Databases store, retrieve, and manage data efficiently, ensuring that information is organized and easily accessible. They facilitate data manipulation through operations such as inserting, updating, and deleting records. Additionally, databases enforce data integrity and security, ensuring that only authorized users can access or modify the data. Lastly, they support complex queries and transactions, allowing users to analyze and derive insights from the stored information.
To retrieve or modify data in the database query are used. There are four types of commands in SQL. Select command is data retrieval language command and is used to retrieve data from a database.In database there Four types of languages which contains various commands. Select command is the only command that is used for retrieval of data.
A database stored different types of information and records. When one wants to retrieve a particular type of information, using queries becomes necessary. One of the common query languages is SQL.
Online cloud backup is the most reliable form of backup. Users can save their data in encrypted form in cloud server and only authorized person can access this data.
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Confidentiality
Simply use a computer with different accounts. Give each account differing levels of authority and access, so each piece of data can only be accessed by the users with the right permissions.
No you cant. You cant retrieve only system files which are deleted. But you can also retrieve other files by different softwares.. Actually there are many softwares which can retrieve files that are deleted so try to search some softwares maybe this one works http://www.recoverdeletedfilestool.com/ or http://www.recovermyfiles.com/
Data segregation is certain data that has been restricted to certain users for view. Data can be filtered so that only the resources that are available to the individual will be seen.
Please note that this is only a half answer. There is a way to retrieve trashed data from the system if you didn't empty your trash securely. If you iTunes library got deleted and you accidently securely emptied your trash sometime after, that data is gone and cannot be retrieved. However, if you only emptied your trash without the secure option, you may still retrieve that data. You'll have to find more information at: "http://www.apple.com/support"
yes