In ____________, all database objects are backed up in their entirety. Transaction log backup Differential backup Full backup Daily backup
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In ____________, all
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Differential backup |
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Daily backup |
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- Which of the following is not part of the database infrastructure A) High Availability B) Memory C) Storage D) Networkcreate a new database (named MyUniversity), the creation (using the CREATE command) shouldbe done once. The database is now created and saved locally on your computer. When you close the workbench and reopen it again, no need to re-run this CREATE command again (the compiler will give you an error, as the database you would like to create was already created) Task Description: consider the following relations for a university: Student (sid: integer, sname: string(100 chars), GPA: real, dateOfBirth: date, Did: integer, FirstYear: integer) Department (did: integer, dname: string(30 chars), capacity: integer) Course (cid: integer, cname: string(50 chars), credit: integer) Enroll (studentID: integer, courseID: integer, departmentID: integer, enrollmentDate: date, finalGrade: real) studentID, courseID, and departmentID in Enroll are foreign keys referencing the primary keys of the student, course, and department relations, respectively. Did in Student is a foreign key referencing the…Which of the following handles communication with the user of a database?A. Application software B. Database management system C. Actual database
- True or False?A software modifies, deletes, and adds data to a database in a direct manner.A database administrator wants to grant access to an application that will be reading and writing data to a database. The database is shared by other applications also used by the finance department Which of the following account types Is MOST appropriate for this purpose? A-Service B-Shared C-eneric D-AdminWhat are the four basic types of operations for a database application? a. Insert, Select, Update, and Delete b. Insert, Update, Delete, and Create c. Insert, Update, Delete, and Render d. Insert, Select, Update, and Render If stringa="Good Morning", what is the value of stringa[1:5]? a. "Good " b. "ood " c. "Good" d. "ood M" The instance that “a survey respondent in service occupation (x) is less likely to report income ” is an example of __________ . a. Missing completely at random. b. Missing at random. c. Missing not at random. d. None of the above.
- Alternative Assignment 2 Task: Create a protected user account database.using PHP and SQL Detail: Create a protected user account database where is security identify a user is allow them to access to the system (Home page), based on the following requirements: You suppose to implement secure registration form using regular expression and proper validation, login page with username and password-based authenticated using the following mandatory: Must allow the creation, deletion of user accounts Must provide a demonstration application that grants user access when provide a valid username/password pair The passwords must be protected. No administrator who has access to the underlying file system should be able to see clear text passwords (cryptographic hashing). The password file itself should be protected from tampering Reject any attempts to provide invalid data. Each user account required a validation Password must be protected using cryptography hashing such as md5, sha1,…Which of the following is a key feature of a transactional database? a.) This type of database is optimized to execute a small number of complex queries. b.) This type of database is often denormalized with a focus on performance. c.) This type of database generally only has data loads with extremely rare updates or deletes to the data. d.) This type of database is used to process day-to-day operations in real time.what is the role of quesry processor in the database system architecture? a) It send result back to the application that requested the quires b) It translates instruction into file system commands c) It writes log records before applying changes to the database d) It uses information from the catelog to perform query optimization.
- 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…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 logA database that backs up an application is usually called an OLTP DB. Online TRANSACTIONAL Process. What level of granularity do you think it is at?