All in all, serializability is a property of a system that describes how different processes operate on shared data. In a database management system, this can be accomplished by locking data so that no other process can access it while it is being read or written. Serializability guarantees th...
Database security is something very essential for every corporate firm that has an online presence. If there is no database security in place, then it could cause data loss or data compromise which may have a serious negative impact on a company both in terms of finances and reputation. Whil...
Inmon, a leading architect in the construction of data warehouse systems, “A data warehouse is a subject-oriented, integrated, time-variant, and nonvolatile collection of data in support of management’s decision making process”. What is Data warehousing? Data warehousing is a technique for ...
The database grows in size and becomes bloated by multiple versions of DBMS records. For the user, or even the developer, the complexity involved to implement MVCC concurrency control methods is completely hidden, as the functionality is provided by the database vendor...
So securing data is very much like locking your house. You may have the strongest lock on your door, but if you forget to close the window or leave the key under the mat- you may still get robbed! Hence it is essential to ensure that every aspect of security is properly addressed and...
While such a closely woven implementation provides good performance/efficiency, customization is an expensive and difficult task because of the dependencies among the different components. For example, changing the indexing or clustering technique employed by the storage manager, changing the instance adapta...
Data concurrency ensures the efficient utilization of resources and timely processing of transactions in database management systems (DBMS).
Rows: This phenomenon occurs when queries do not return some of the rows. It could occur in a...
This is a bas that will log installation procedures so the file can be removed later.8 , savetree.zipThis will save the info in a Tree View. "This technique allows a program to save hierarchical information like the data in a TreeView in a way that is easy to understand."11 , OLE....