Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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It is not apparent what will happen if an incorrectly coded software is executed. What will happen when I type in the code for frmProgram? The event handler for the command button may be displayed? What, exactly, does the Unload Me statement serve? If a file is executable, what are its goals?
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- You are given a String variable named file. It contains the name of a one-line file. Write a sequence of statements that make an exact copy of the file and give it the same name but with the string ".cpy" attached to the filename. Make sure that the data written to the file has been flushed from its buffer and that any system resources used during the course of running these statements have been released.(Do not concern yourself with any possible exceptions here-- assume they are handled elsewhere.)arrow_forwardIt's not apparent what will happen if an incorrectly coded software is executed. What will happen after the frmProgram code has been written? Is it possible to display the event handler for the command button? The sentence "Unload Me" has a function, but what is it? What does an executable file do?arrow_forwardRunning a flawed software has unknown repercussions. What will happen after the code for frmProgram is written? Is it possible to display the event handler for the command button? What exactly does the Unload Me statement serve? Why is it necessary to have executable files?arrow_forward
- What other extended file properties are there besides "cannot be changed"?arrow_forward* Question Completion Status: QUESTION 11 Wite a program (mymv infile outfile) to rename a infile as outfile using file system calls, link(), and unlink() For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt P. QUESTION 12 Write a program that takes the file name as the command line argument and outputs the size of the file in byte the file) !! !!!arrow_forwardIt is not apparent what the results of executing a software that contains an error would be. What steps should be taken next after developing the code for the frmProgram? Can the event method for the command button be demonstrated? The sentence "Unload Me" serves a function, but what exactly is that function? What exactly is the function of a file that may be run?arrow_forward
- What is the difference between the "w" and "a me modes? 1-" a" is not a valid file mode for writing 2- "w" will not over-write the file but the "a" file mode will over-write O 3-"w" will over-write the file and "a" will append to the bottom of the file.arrow_forwardWrite a series of statements that, given an initialised variable fileName, produces a file with the name given by fileName and a single line that says "This Is File: " followed by the file's name. Check that the data saved to the file has been removed from the buffer and that all system resources used by these lines have been released. (Don't worry about any possible cases here; imagine they are taken care of somewhere else.)arrow_forwardThe following code completes the program from the previous question. Assume you have an open output file handle called coutfile. What exactly can fill in the blank so that the output to the file looks exactly like the output to the screen from the print statement. for i in range(100): print(i) outfile.write(_. outfile.close()arrow_forward
- Given an initialized variable fileName, write a series of instructions that produces a file with the name indicated by fileName and a single line stating "This Is File:" followed by the file's name. Verify that the data written to the file has been purged from its buffer and that all system resources utilized by these statements have been freed. (Don't bother about exceptions; presume they're handled elsewhere.)?arrow_forward3-15 What will be written to FileOut.txt once code is run. The answer at the bottom is incorrect. please help and explain. thank youarrow_forwardSuppose you want to read the file text.txt from the current working directory. Which one of the following statements correctly uses fopen function to open the file for reading? FILE* pFile; pFile = fopen("test.txt", "r" ); pFile = fopen( test.txt, r); pFile = fopen( test.txt, w); pFile = fopen("test.txt", "w" );arrow_forward
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