The purpose of collecting and analyzing undo data is to enhance the effectiveness of the undo tablespace. Does reverting tablespaces provide any useful information? It is unclear who gets access to the undo tablespace statistics and why. Users must meet rigorous prerequisites to access Oracle 11g.
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The purpose of collecting and analyzing undo data is to enhance the effectiveness of the undo tablespace. Does reverting tablespaces provide any useful information? It is unclear who gets access to the undo tablespace statistics and why. Users must meet rigorous prerequisites to access Oracle 11g.
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- b) Suppose you want to modify the retention time to manage the long undo tablespace. This can help you to undo a large amount of data. As a DBA, what factor you need to know to modify or increase the undo Retention and how you can implement that factor in oracle 11 g.a) Why we prefer the undo tablespace instead of backup segment. Justify your answer with logical reasoning b) Suppose you want to modify the retention time to manage the long undo tablespace. This can help you to undo a large amount of data. As a DBA, what factor you need to know to modify or increase the undo Retention and how you can implement that factor in oracle 11 g. c) Suppose you want to move from one tablespace to another tablespace. How can you automatically switch from one tablespace to another tablespace? Please write the procedure and implement it in oracle 11g. d) Undo statistics are used to tune the undo tablespace. Who can you manage or view the statistics of the undo tablespace what kind of information a undo tale space have? You need to implement the steps in oracle 11g.What does the term database integrity mean? Enumerate all Oracle limitations required to maintain database integrity.Explain the difference between the IN and OR operators using code examples.
- The collection and usage of undo statistics is done to improve the efficiency of the undo tablespace. Undoing tablespaces teaches us what, if anything, we can learn. It's not totally clear who gets access to the undo tablespace's statistics. Oracle 11g has severe user requirements.Let's say you wish to switch from one tablespace to another. How can you transition from one tablespace to another automatically? Please develop the process and use Oracle 11g to implement it.The Developers team also wants you to ensure that emails are converted to lowercase after an update operation. Currently, new insertions are guaranteed to have lowercase emails, but there is no such guarantee for legacy emails. Therefore, the team wants to ensure that emails are being retained in a lowercase irrespective of any changes in the database. Create a new TRIGGER called email_update for the USERS table that runs before an UPDATE operation. Task Create a TRIGGER to run on the USERS table before any UPDATE operation.
- How do you manage cascading actions in database triggers, and what precautions should be taken?Complete the Performing SQL Injection to Manipulate Tables in a Database lab which is located on Infosec Learning's website. Follow the instructions for the lab and export your performance report. When you have completed the lab, attach your performance report by clicking on the title of this assignment and submit it for grading. You are required to submit the following deliverable for grading: Performing SQL Injection to Manipulate Tables in a Database.Describe what are the ramifications of making the wrong indexing decision
- Why is an index on a database column created? A:To optimize data integrity B:To optimize data retrievalsC:To optimize data updates D:To optimize data insertionsDo you have any ideas on when it would be beneficial to use default values and when it would be detrimental to data integrity?The course I'm taking is database management. I have attached the necessary information for this question. Please view both attachments. I need help with part A please. I am using APEX Oracle compiler.i keep getting this error message. how do i fix this? Part A - Using basic loop insert value into the dept table.