Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Why might a MERGE statement be used?
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- What exactly is meant by the phrase "user-defined data types"?arrow_forwardPLEASE EDIT MY TABLE AS TUTOR SAID NEED URGENTLY PLEASE DONT IGNORE ME THANK YOU! HERE IS MY DATA DICTIONARY MY TU TOR GIVE ME A COMMENT COMMENT: The range is basically the min and max value that a variable can hold. For example choice range : 1 to 3…. PLEASE FIX MY PROBLEM EDIT MY TABLE! DONT SEND A CODE! programming language: C# MY CODE Sub Main() REM LOOP STARTS HERE !!!!! REM Following block of code repeats until the user chooses 3 or any value other than therange(to REM quit) Declare a flag f with value 0 Do Until f==1 REM Menu appears on-screen giving choices(1 REM instructions, 2 play, 3 exit) menu() REM Get choice from user from keyboard get_choice() If( choice >= 1 && choice <= 3) THEN REM do choice f=do_choice() Else break END_If Loop REM LOOP ENDS HERE !!!! Sub do_choice() REM if user has chosen 1 If (choice = 1) Then REM Show instructions instructions() return 0…arrow_forwardDefine hold time.arrow_forward
- What exactly is meant by the term "user-defined data types"?arrow_forwardQuestion 5 Assume you are given a dictionary student_dict with Mary taking ACT101, FIN202, MIS310 and MIS340, Steve is enrolled in FIN202, MKT300 and MIS310, and Paul is registered for ACT101 and MKT300. With Ist initially set to an empty list, which of the following would complete the code that will correctly produce the list of students taking MIS courses. for key in student_dict: for val in student_dict [key]: if 'MIS' in 1st.append( and O val; val; 1st; key O val; val; 1st; val O val; key; 1st; val O val; key; 1st; key Question 6 0.5 pts not in 0.5 pts Given the customer reviews shown below, which one of the following would correctly display the first company's name XYZ, Inc.? + 100% O KHarrow_forwardWhat do you think would be the appropriate data types for ProductUnitSize and ProductUnitPrice? Explain.arrow_forward
- Exercise: Check Monster Character Exists Description In this series of exercises, you will create functions to create, modify and examine dictionaries that represent characters in an animated film, and the cast members who voice the characters. The keys of the dictionary will be character names. The values in the dictionary will be voice actor names. For this exercise, you will create a function that checks if a character is already in the dictionary. Files monsterfunctions.py : set of functions to work with monster cast dictionaries. Function Name has_character Parameters monsters: a dictionary character: a string, the name of a character Action Checks if character is a key in monsters. Return Value True if character is a key in monsters, otherwise False. Examples monsters = create_monster_cast() monsters = add_cast_member(monsters, "Mike", "William Crystal") has_character(monsters, "Mike") -> True has_character(monsters, "Sully") -> Falsearrow_forward6. Which of the following is not a variant of merge sort? a) in-place merge sort b) bottom up merge sort c) top down merge sort d) linear merge sortarrow_forward
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