Give an example, other than the one in this text, of the lost update problem

Q: I need a grok pattern to keep only the info outlined in red no matter what the values change to in…

A: This is very simple.   grok {  match => {"message" =>…

Q: al parity

A: Error-detecting codes are a sequence of numbers produced by unambiguous methods for detecting errors…

Q: Data cleaning is one of the three biggest problems in data warehousing. True False

A: Justify answer of above given  Question in true and false.

Q: Create a table of at least 4 columns and fill it with data to simulate the insertion, update, and…

A: Given: Create a table of at least 4 columns and fill it with data to simulate the insertion, update,…

Q: What is the CAP theorem and how does it work? What does it have to do with NoSQL databases?

A: Introduction: The CAP theorem, also known as Eric Brewer's theorem, argues that a database can only…

Q: Give a normalized version of the Index_metadata relation, and explain why using the normalized…

A: Normalized version of the Index_metadata relation The Index_metadata relation is not in first…

Q: A null bitmap is used in the variable-length record format to indicate if an attribute has a null…

A: Given:   A null bitmap is used in the variable-length record format to indicate if an attribute…

Q: What is the insert anomaly, update anomaly, and delete anomaly computer?

A: Intro Computer bug: There is no such thing as a flawless operating system or piece of software;…

Q: What is the difference between redundancy and variety, and how do you explain it?

A: INTRODUCTION: The term redundancy can also refer to something extraneous or unnecessary. If you…

Q: The OLTP system data for the Fitchwood Insurance Company is in a series of flat files. What process…

A: The OLTP system data for the Fitchwood Insurance Company is in a series of flat files. What…

Q: is most likely to cause a data inconsistency_ deletion anomaly a O relational anomaly b update…

A: The correct answer is option C. Update anomaly

Q: 71. There are special redo-only log records generated during transaction rollback, called _________…

A: There are special redo-only log records generated during transaction rollback, called Compensation…

Q: A Read Replica appears "stuck" after a Multi-AZ failover and is unable to obtain or apply updates…

A:

Q: Consider the concept of "snapshot isolation" when it comes to airline databases. Does a…

A: The transaction only commits if no other transaction [start timestamp, commit timestamp] writes the…

Q: A Read Replica appears "stuck" after a Multi-AZ failover and is unable to obtain or apply updates…

A: Question wants solution for a problem in AWS AZ.

Q: th-bit longitudinal parity is determined; the s is calculated and kept for all Oth bits, a second…

A: A parity bit, or actually take a look at bit, is a piece added to a line of binary code. Parity bits…

Q: 7. What is the maximum limit that should be used in the IDTR?

A: Solution for 7th answer is :  IDTR: The Interrupt Descriptor Table Register:  IDTR is a data…

Q: What is the difference between Stripped and Spanned volumes? * Your answer

A: A striped volume combines areas of free space from multiple hard disks into one logical volume.…

Q: Give atleast 3 differences between  RDBMS and DBMS also write some advantages of DBMS.

A: Difference between RDBMS and DBMS -

Q: Define skew in DBMS

A: Data skew refers primarily to the uneven distribution of data sets. Non-uniform distribution may…

Q: Due to the high cost of computer time required for editing, data processing professionals normally…

A: Introduction: Data editing is described as the process of reviewing and adjusting survey data…

Q: Explain how locking could be used to prevent the lost update in your answer to part B.

A: The database lock is being used to “lock” any data in the database such that it can only be updated…

Q: Describe what are the ramifications of making the wrong indexing decision

A: Given:   Describe what are the ramifications of making the wrong indexing decision

Q: Suppose you wish to create an audit trail of changes to the takes relation. Can the preceding…

A: The basic principle of audit trail is the supervision ( or tracking) of  the usage and authorization…

Q: In your own words, describe the nature and purpose of the normalization process

A: Lets see the solution.

Q: a) Why we prefer the undo tablespace instead of backup segment. Justify your answer with logical…

A: Actually, database is a used to stores the data.

Q: What is the purpose of Cache Fusion in Oracle RAC?

A: Cache Fusion Oracle RAC transfer the data block from buffer cache of one instance to the buffer…

Q: the following table up to 3NF. Show output and dependencies at each step.

A: Normalize the following table up to 3NF. Show output and dependencies ateach step.

Q: n database system implementations, strict two-phase locking is often utilized. Why is this protocol…

A: given in database system implementation, strict 2 phase locking is utilized and is popular. here is…

Q: Consider a RDBMS team is working to store the records of a newly established school in your area.…

A:

Q: A null bitmap is used in the variable-length record format to indicate that an attribute has no…

A: The solution to the given question is: A null bitmap is used in the variable-length record format to…

Q: So, what exactly is an ANN, and how does it function?

A: An artificial neural network is the portion of artificial intelligence that aims to replicate the…

Q: Provide some example schedules to illustrate how the phantom phenomena might not be noticed if…

A: Schedule In the next key locking approach, every index search, insert, or deletion must utilise only…

Q: What does it imply precisely when people talk about "data fragmentation"? What precisely do we imply…

A: Definition: Data fragmentation is the process of breaking down a large database into smaller…

Q: Write Python code to download the London Bullion Market Association data (LBMA/GOLD) in the Quandl…

A: Given that Write Python code to download the London Bullion Market Association data (LBMA/GOLD) in…

Q: An update log record describes a ________ database write a) Single b) Double c) Triple d)…

A: Question. An update log record describes a ________ database write a) Single b) Double c) Triple d)…

Q: Please choose the best choices for the given question. in the box 1.Random selection of the…

A: Please give positive ratings for my efforts. Thanks.   ANSWER   The different sorting techniques…

Q: By using longitudinal parity as an error detection code, it is possible to demonstrate that database…

A: A brief introduction : The term "error-detecting codes" refers to a set of numbers generated by…

Q: Contrast the differences between range control and referential integrity when controlling data…

A: Lets see the solution.

Q: 4. If the contents of the GDTR are 0021000001FFH, what are the starting and ending addresses of the…

A: As per our guidelines we are supposed to answer?️ only one question. Kindly repost other questions…

Q: Can you conceive of circumstances in which utilising default values would increase data integrity…

A: Intro Default values: Default values are used to avoid errors where there is no entry. Default…

Q: Consider a RDBMS team is working to store the records of a newly established school in your area.…

A: - The question is to calculate the actual volume of database in terms of size in bytes in 3 years.…

Q: Kindly aid us in tracing down our check. In SSMS, the database server's query CPU is rather costly.

A: SSMS CPU usage: Select Reports > Performance Dashboard to see the current and historical CPU…

Q: 6. Describe the deadlock prevention method using data ordering by drawing a picture (no hand-written…

A: Deadlock is an infinite starvation and for deadlock occurring there are 4 conditions that includes…

Q: Provide a normalized version of the Index metadata relation and explain why utizing it will result…

A: Metadata: There are a number of methods to talk about metadata. In other words, data that tells us…

Q: Give a normalized version of the Index metadata relation, and explain whyusing the normalized…

A: Given: Give a normalized version of the Index metadata relation, and explain whyusing the normalized…