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Explain different categories of failures that occur in Oracle database?
Categories of Failures - In Oracle database subsequent types of failures can occurred: Statement Failure• Bad data type• Insufficient space Insufficient Privileges (e.g., object privileges to a role) User Process Failure• User performed an abnormal disconnect• User's session was abnormally terminated• User's program raised an address exception User Error• User drops a table• User damages data by modification Instance Failure Media Failure• User drops a table• User damages data by modification Alert Logs• Records informational and error messages• All Instance startups and shutdowns are recorded in the log
what is query processing ,query optimization and performance turring?
Your friend owns a computer store in Yuen Long, selling Desktop and Notebook PCs and other computer peripherals. Having been rather successful with his business there, he decided t
Indexed (Indexed Sequential) File Organisation It organises the file like a big dictionary, i.e., records are kept in order of the key but an index is stored which also allows
define attribute inheritance with example?
Question: i) Explain the terms data warehousing and data mining. ii) Discuss the importance of the following security principles that a digital firm should amongst others, n
Improved Reliability: In a centralised DBMS, a server failure stops the operations of the DBMS. Though, a failure at single site of a DDBMS, or a failure of a communication link cr
I need ERP system We are selling automotive spare parts on the internet and we require ERP software, which would sync with our e-shop. Our e-shop doesn't use any e-commerce plat
how to solve the C type problems?
What is a data dictionary? Data Dictionary is a main source of data in a data management system. Its major function is to carry the creation and management of data definition
Ways for Selecting Data Structure Algorithms operate on data structure. Therefore, selection of the best algorithm means selecting the best data structure from whole bunch. Th
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