Which of the following is FALSE regarding a Disk-Oriented DBMS architecture?
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- Which of the following is FALSE regarding a Disk-Oriented DBMSarchitecture? The DBMS has an execution engine that will execute queries. The DBMS has a buffer pool that manages the movement back and forthbetween disk and memory. The database is all on disk, and the data in the database files is organized intopages, and the first page is the directory page.The buffer pool will ask the execution engine for a specific page, and theexecution engine will take care of bringing that page into memory. In order to operate on the data the DBMS needs to bring the data into memory.Which of the following is FALSE regarding a Disk-Oriented DBMSarchitecture?O The DBMS has an execution engine that will execute queries.O The DBMS has a buffer pool that manages the movement back and forthbetween disk and memory.O The database is all on disk, and the data in the database files is organized intopages, and the first page is the directory page.One of the most important section of the working set is called ______________ A) OS Drive B) Procedure Cache C) Secure Socket Layer D) VM host Hyper-Threading is a form of simultaneous multithreading (SMT) True False The physical memory made available to SQL Server by the operating system (OS) is called the Buffer Pool True False Which of the following isn't a common error when entering and executing SQL statements? a) Misspelling a keyword b) Misspelling the name of a table c) Forgetting to attach the required database d) Forgetting to select the required database
- Which of the following computerized control procedures would be most effective in ensuring that data uploaded from personal computers to a mainframe are complete and that no additional data are added? () Self-checking digits to ensure that only authorized part numbers are added to the database. () Passwords that effectively limit access to only those authorized to upload the data to the mainframe computer. () Batch control totals. including control totals and hash totals. () Field-level edit controls that test each field for alphanumeric integritythis is an ITSE 2356 COURSE we use Bob Bryla and Iggy fernandez books as a reference .the question is a case study and the description and requirement as below: The idea here is to export/import/archive/backup data from one of the customer tables into another. There are customer tables within the ITSE-2309 and ITSE-1345 databases. Since the table structures are different in there respective databases - determine which of the tables will need to be modified to accept the incoming data -- or -- maybe the better approach is to create an entirely new table - merging data from both -and -remember -- this will be a new process/responsibilities to be developed in you newly created position. such as new table or modify table and why this option supports organization operations and needs along with output of new table structure and data .EXPLAIN WHERE YOU FIND THE The database has 500000 million records A database must store an employee table consisting of 100000records each of which is 80byteslong. Answer the following questions by assuming these congurations/parameters: B = 512bytes,interblock gap size G = 128bytes, numberof blockspertrack = 256, numberof trackspersurf ace =400. The disk has 8 platters each with two heads (only one head can read at a time of all 16 heads),rotates at 7200rpm, has a track − to − trackseektime(m) of 1ms, s = 12ms, r = 4.16ms, andbtt = 0.03255ms. 1. How many records can be stored per block (blocking factor) using spanned and unspannedcongurations?2. What is the utilization (%) for the unspanned conguration?3. If the le is physically ordered, what is the average time in milli second to read a record ineach conguration?
- Which of the following actions will improve database performance???? A) Cache data in memory B) Add additional CPUs C) Remove system stored procedures D) Expand the transaction log Connections to SQL Server are made over which of the following A) TCP B) SSL C) All of the above D) None of the above Which of the following does is NOT a term used with respect to storage devices? A) Queue depth B) Latency C) Volume D) Buffer pool1. One of the responsibilities of the Controller in MVC is to Connect to the database engine True False 2. The most commonly used format for modern Web Services is JSON. True False 3. With Web API controllers a route like /home/index tells us the Controller class name and the action method name. True False 4. One of the responsibilities of the Controller in MVC is to Displays data to the user True False 5. Web services serve their data to a browser. True False 6. When MVC is applied to a Web service only, the Controller MVC component is present. True False 7. One of the responsibilities of the Controller in MVC is to Select proper Models for Views True FalseThe Sports Physical Therapy clinic is having trouble with the performance of their Access database. They would like to split the database between front end and back end to improve performance. How would they do this?
- Which of the following actions will improve database performance? A) Cache data in memory B) Add additional CPUs C) Remove system stored procedures D) Expand the transaction logComputer Science please show the commands in git terminal 1. create a repository in GitHub. 2. clone the repository twice one for class1 folder and one for class2 folder. 3. edit README.md in class1 and do a commit and edit README.md in class2 and do a commit. 4.git push in class1 to GitHub repository. 5. git push in class2 to GitHub repository (`git push` will give you an error and tell you to git pull first. ) Fix the error and push to the GitHub repository.In this assignment, you are required to write a bash script, call it mycontainer.sh to do the following tasks:1) Create an LXD container based on ubuntu.2) Install the latest version of mysql on the container created in Step 1. Then, start the database and autostart it during future boots.3) Print the process ID of the running database, then give this process the highest possible priority.4 Inside the container, create a new systemd service to: Re-execute Step 3 to adjust the priority. Send a notification message to your AUIS email address(es). Call this new service ‘email-mysql.service’.5) Adjust systemd to run the ‘email-mysql.service’ automatically once every six hours.6) Lastly, include necessary Bash commands to upload your container to an ssh server with the IP address 192.168.1.1. Assume the username and password are 'auis' and 'pass123', respectively.