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Hot Backup:Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database must be used - the hot backup. Gives a SQL command to refer to Oracle, on a tablespace-by-tablespace basis, that the folders of the tablespace are to back up. The users can continue to create full use of the files, including creating modifications to the data. Once the user has refers that he/she wants to back up the files, he/she can need the operating system to copy those files to the right backup destination. The database has to be operating in ARCHIVELOG mode for the hot backup option.
What is OLAP? OnLine Analytical Processing (OLAP) is a Business Intelligence (BI) reporting system. OLAP gives the user with the capability to sum, count, average and do other
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explain the level architectures of the database management system
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
What kind of advantages to copying records from one table to another? -) When an algorithm that modifies a table is used after that it's safer to work with the copy -) When
There are a number of possible solutions to the open ended brief. One of the simple ones is shown here without the PKs and FKs. It is important to think of how a number of tasks
Differentiate between a subquery and a join If we need to acquire information from one or more tables after that either subquery or join can be used. If the columns which are t
how to connect vb.net with access
Consider the subsequent relations RENTER(rno, fname, lname, address, tel_no, pref_type, max_rent) VIEWING(rno, pno, date, comment) PROPERTY_FOR_RENT( pno, street, area ,city,
What is difference among mysql_connect and mysql_pconnect? Mysql_connect() opens a new connection to the database while mysql_pconnect() opens persistent connection to the data
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