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A: The above question is solved in step 2 :-
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A:
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A: The above question is solved in step 2 :-
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A: Here we are going to solve the above problem using the merge short Algorithm Follow the below steps…
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A: The question is solved in step2
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A: The question is solved in step2
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A:
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A: So this question is from design pattern and from factory pattern so answer is given below:-
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A: For the solution check step 2
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A: Check next step for solution
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- Chapter 17 How to manage database security Exercises using the My Guitar Shop Database Use Microsoft SQL Server Write a script that creates a user-defined database role named OrderEntry in the MyGuitarShop database. Give INSERT and UPDATE permission to the new role for the Orders and OrderItems table. Give SELECT permission for all user tables. 2.Write a script that (1) creates a login ID named “RobertHalliday” with the password “HelloBob”; (2) sets the default database for the login to the MyGuitarShop database; (3) creates a user named “RobertHalliday” for the login; and (4) assigns the user to the OrderEntry role you created in exercise 1.Oracle Database 18c XE comes with a sample database user named HR. This user owns several database tables in a sample schema for a fictional Human Resources department. However, for security reasons, this user's account is locked. You need to unlock this account before you can view the HR objects or build any applications that use these objects. Assume that you are logged in as Systems Administrator, provide the SQL*plus commands for unlocking the HR account, making sure that the password reuse and life time is unlimited.Design and develop android application that inserts movie information into database. The following is required: Validation: duration must be >0 and less than 20 (Show appropriate toast message otherwise) Movie rating is a drop down list with values between 1 and 10 Movie year is a drop down list with values from 1950 until today's year Show appropriate success message (using dialog) when the movie is successfully added to database Insert movie information to database is achieved using a php web service Database type is MYSQL You should submit the following: o Java files Layout files o AndroidManifest.xml o Build.gradle that contains the dependencies of your project o php web service file Table movie looks like the following: Mid Mname Duration Rating myear The design looks like the following: Movie Name Movie Duration Movie Rating Movie Year Add Movie
- 1- write a DBA command(s) that checks the database owner of the DBMS database , that exists in the localhost\SQLEXPRESS server , againest the "sa" user ? 2- write a DBA command to create a differential backup for the database DBMS , in a new folder with its name ? 3- write a DBA command(s) that saves the server name in a variable you choose , and use it to write another command that creates a new database with the name DBA?Using PHP Write a program using PHP programming language that trads the user name and password from a login form Login.html Login.php And then writes them in a text file(logon.txt) Also store them in a Access database.During garbage collection, what setting controls how long deleted objects remain within the database before such objects are completely removed? Group of answer choices Object expiry date Purge lifetime Tombstone lifetime
- An organization has a new application that will use WideWorldImporters database. As a database administrator you are asked to create a user/access so that the application can use the WideWorldImporters database. Please create a guidelines on how to create the user based on the following informations: a. User name is “user1_app” b. Authentication uses SQL Based Authentication c. User password is never expired. d. The role of this user should never be as sysadmin e. User should become the database owner of this database. f. User can login and access the database engineclass Database:def __init__(self, db_name):self.db = sqlite3.connect(db_name)self.cursor = self.db.cursor()def create_table(self, table_schema):self.cursor.execute(table_schema)self.db.commit()def insert_data(self, table_name, data):for i in range(len(data)):keys = ", ".join(data.columns)values = ", ".join([f"'{value}'" if pd.isna(value) else str(value) for value in data.iloc[i]])self.cursor.execute(f"INSERT INTO {table_name} ({keys}) VALUES ({values})")self.db.commit()def search_data(self, table_name, year):self.cursor.execute(f"SELECT * FROM {table_name} WHERE year={year}")result = self.cursor.fetchone()if result is not None:return resultelse:return Nonedef delete_data(self, table_name, year):self.cursor.execute(f"DELETE FROM {table_name} WHERE year={year}")self.db.commit()return self.cursor.rowcount > 0 Please rewrite (or convert) the code above with format: def QueryBuilder( Data_Base, Query_Type, Query_Tuple):'''''' Build Query_String'''''' return Query_StringCreate another application/class named EmployeeDatabase that allows you to store anarray that acts as a database of any number of Employee objects up to 25. While the userdecides to continue, offer three options: to add a record to the database, to delete a recordfrom the database, or to change a record in the database. Then proceed as follows:If the user selects the add option, issue an error message if the database is full.Otherwise, prompt the user for an Id. If the Id already exists in the database, issuean error message. Otherwise, prompt the user for rest of the inputs and add the newrecord to the database.If the user selects the delete option, issue an error message if the database is empty.Otherwise, prompt the user for an Id. If the Id does not exist, issue an error message.Otherwise, delete the record.If the user selects the change option, issue an error message if the database is empty.Otherwise, prompt the user for an Id. If the requested record does not exist, issuean…
- You have been hired at Selianord Group (Pty)Ltd as a Junior database developer where you are going to build a desktop application called LusuFlix. This application will be used at a video rental store. We need different levels of permissions for different users in the database. The store manager should be able to add/update/delete the list of movies. They will be in charge of setting the stock for each movie as well as the daily rental rate. Cashiers should have a read-only view of the list of movies. They should be able to manage the list of customers and the movies they rent. At check out, a customer brings one or more movies. The cashier looks up a customer by their phone number. If the customer is a first-time customer, the cashier asks for their full name, email, and phone number, and then registers them in the system. The cashier then scans the movies the customer has brought to check out and records them in the system. Each movie has a 10-digit barcode printed on the cover.…An objective of this task is to implement your own simple method of auditing the database activities.It is strongly recommended to connect to MySQL either through command line interface mysql or graphical user interface MySQL Workbench and process a script file dbdrop.sql and immediately after that the scripts dbcreate.sql and dbload.sql to refresh a sample database csit115.Download a file solution3.sql and insert into the file the implementations of the following actions.You must connect as a user root with a password csit115.Your implementation must directly follow a comment with a specification of a subtask.(1) First, the script makes a relational table that contains a general log empty.(2) Next, the script sets the appropriate values of the variables to save a general log in a relational table and to start recording a general log from now.(3) Next, the script makes a database csit115 a default database, it stops recording a report, it executes a script file updates.sql, and it…in sql User_123 has successfully logged on to the database in the past, but today he receives an error message stating that he cannot log on. What is the most likely cause of the problem? Select one: a. User_123's CREATE USER privilege has been revoked. b. User_123 's CREATE SESSION privilege has been revoked. c. User_123's user account has been removed from the database. d. One or more object privileges have been REVOKEd from User_123 .