True/False: Rollback refers to the reversing of database changes

Q: A select operation in a relational database decreases the size of a table by deleting columns that…

A:

Q: Put your code in the main method given below. [Hint: SQL will return all accounts from the…

A: table name AccountingDB   display all account

Q: SQL Injection is a term that refers to an attack on a SQL database

A: SUMMARY: - Hence, we discussed all the points.

Q: Defintion: What is the purpose of a database audit log? SQL Server uses Extended Events in a way…

A: Introduction: Defintion: What is the purpose of a database audit log? SQL Server uses Extended…

Q: In the event that a user makes an effort to add data to the database, under what circumstances may…

A: Integrity Constraints in Database: The guidelines that the data columns in a table must adhere to…

Q: When a user attempts to add data to the database, what are the odds that the effort will result in…

A: Database: It is a collection of data stored on a computer system that can be accessed via the…

Q: in sql  If you have not yet used the COMMIT command to store the changes permanently in the…

A: Answer: a. True

Q: Is it possible to remove a table from a database? How would this be done? Share an example using…

A: Answer: “Yes” it is possible to remove a table from a database.

Q: values

A: Dear Student, Hashing refers to the process of converting object data into a representative integer…

Q: Using MongoDb do the following activities Create database named First. Create a collection named…

A: 1. use First 2. db.createCollection("dbase6211")

Q: In a relational database, a select operation reduces the size of a table by eliminating columns that…

A: Introduction: The Choose operation is used to select a subset of tuples based on criteria. It's…

Q: true /false              The system-defined database used as a template for all “to be created”…

A: Answer to the above question is in step2.

Q: List the names of any pair of boats that have the same type. For example, one pair would be Anderson…

A: The Question is of DBMS SQL query in which we have to find out the solution by using a query.  A…

Q: Create a new database and rename it with your name. Create a new table called "Courses". Set an…

A: 1. Create a database and rename Open Microsoft Access-> clicl on file-> click on save database…

Q: To remove a relation from an SQL database, we use the ______ command. a) Delete b) Purge c) Remove…

A: Given: To remove a relation from an SQL database, we use the ______ command.a) Deleteb) Purgec)…

Q: The code shown below is designed to increment through each row in a database table. Correct the…

A: We have to increment through each row in a database table, for that we can use any of the following…

Q: explain the role of the Database   Administrator (DBA) which includes:   performance of a database…

A: Database Administrator (DBA): A database administrator (DBA) is the information technician/manager…

Q: In a relational database, a select operation is used to minimise the size of a table by eliminating…

A: Select operation in a relational database is utilized to decreased the size of the table by…

Q: The transaction log keeps track of every row in a database table accessed or updated by an UPDATE,…

A: (option :1)-True .

Q: IN MYSQL write the command. Using the UML designed create all the necessary tables for your…

A: Necessary tables for given UML.

Q: 1.6) Constraints should be used to force valid data entry / modification to the database True …

A: 1.6) The Correct Answer for the above questions("True") Explanation⦁ In a relationship model,…

Q: A select operation in a relational database is used to cut down on the size of a table by deleting…

A: Given: In a relational database, a select operation is used to reduce the size of a table by…

Q: A primary key is always required in a database. Select one: O True O False

A: Primary Key: The primary key constraint uniquely identifies each record in a table. Primary keys…

Q: In a relational database, a select operation may reduce the size of a table by removing columns that…

A: The question is about relational databases and determining whether or not a statement is true or…

Q: 37. An update log record describes a ________ database write a. Single b. Double c. Triple d.…

A: Here is the solution which is mentioned below:

Q: Why does Access require that you enter a descriptive name when the database is created?

A: - We need to talk about the requirements of descriptive name for access when the database is…

Q: Choose storage formats for fields in databasetables.

A: Lets see the solution.

Q: Choices - Select all that apply. Choice 1 They are the default table type in Oracle Database Choice…

A: Heap organized tables are the type of table in which rows are not manipulated in any order.

Q: From the database scheme write the query(all tables are empty) 1) Insert your name and your phone…

A: The given diagram is a logical model for the rent of apartments where the apartment has a building…

Q: 46. The log is a sequence of _________ recording all the update activities in the database. a. Log…

A: Here is the solution which is mentioned below:

Q: Name a few system privileges the owner of a database must have (and not standard users!)

A: I have given an answer in step 2.

Q: Create a database trigger for the following situations:                       update the…

A: A block of SQL or PL/SQL code that is automatically triggered, by the DBMS when some specific data…

Q: MINI PROJECT news Paper database system The databases must include a minimum of 6 tables Design a…

A: Find a simple implementation below. This is a complex category question.

Q: What categories does the information included in a row of a table in a database fall under

A: The information included in a row of a table in a database fall under will be explained :

Q: When a user tries to add data to the database, what kinds of situations could lead to the creation…

A: Inspection: The goal of the query is to ascertain the conditions that would lead to a breach of a…

Q: Although Null values are problematic in databases, it cannot be avoided in some cases. Describe how…

A: Actually, the answer has given below:

Q: 2. Click the Execute button or press F5 to see the new database in the Object Explorer. 3. Create…

A: The solution to the problem is given below   Step 1: Click on New Query option then create new…

Q: a) Create a new database as test.db. Create the tables with the following schema using DDL commands.…

A: Note: As per our guidelines we can able to solve only one big question at a time.  So, please repost…

Q: Create a table named "student" with the following columns/fields: 1. id - integer not null primary…

A: As per our guidelines, we are supposed to answer only 1st three parts. Kindly repost the remaining…

Q: 63. A dump of the database contents is also referred to as an _____________ dump. a. Archival b.…

A:

Q: Using MySQL workbench to create a database with six tables. You need to set up primary key and…

A: Select this option to generate a statement to drop each object before the statement that creates it.…

Q: A record may be created that violates an enabled constraint if a user tries to contribute data to…

A: It is explained in this inquiry how a database error resulted in the creation of a record that…

Q: ______ command displays the list of databases in mongodb.

A: Given, Statement: _______ command displays the list of databases in MongoDB. We have to find…

Q: The combination of rows and columns in Microsoft Access

A: One whole row of a table is called a record and different column is called field.

Q: An Oracle __________ is a set of tables and views that are used as a read-only reference about the…

A: Dear Student, An oracle system catalog or  database dictionary is a set of tables and views that are…

Q: SQL Injection is the term used to describe an attack against a SQL database.

A: SQL injection is are sort of flaw in website and web app code that enables attackers to a take…