In MS Access, a calculated field such as Total Price: [price] * [quantity] differs from a table field in what way?   Question 18 options:   1)  There is no difference. They are just synonyms for the same concept.   2)  A sum cannot be computed for a calculated field.   3)  A calculated field should be saved in the table after its value has been computed.   4)  A calculated field's value appears in the output of a query datasheet, but it is not physically stored as a field in the table.

Q: In Oracle, if you have two tables related by connecting a primary key in table B and a foreign key…

A: For Inserting a Foreign key in any table , it is mandatory that the same key should be present as…

Q: A company X has hired you to manage its database. Choose a subject and propose a database for the…

A:

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: The WorkOrders table contains a foreign key, ClientNum, which must match the primary key of the…

A: A foreign key is a key that is used to link two or more tables together. It also helps in…

Q: 1. Create an Oracle table with a minimum of two varchar(2) fields (one should be a persons name), a…

A:

Q: Consider given database schema and write triggers for each statement. Student ( regNo, sName,…

A: Triggers are special statements/procedures for a table which are executed when an event, occurs in…

Q: 19. What is an indexPath?

A: Note : As per the company policy we are suppose to answer only the first question. Kindly post the…

Q: Question 3, continued.  Suppose that we have 2 tables, A and B, specified by the following…

A: According to the given question, there are two tables created A and B. The columns are A table is a1…

Q: Consider the following PL/SQL script: SET SERVEROUTPUT ON BEGIN     INSERT INTO COURSE…

A: Answer is given below .

Q: First step is to built the database schema using the following query- CREATE SCHEMA `organization`…

A: The new attributes will get added in the primary table form in the database table .

Q: A select operation pares down a table in a relational database by eliminating columns according to…

A: The select operation is basically an operation which searches data in the table and acquire or…

Q: write the proper command to create all the tables with the relation between the tables.  Assume the…

A: Answer: I have given answer in the handwritten format.

Q: Give an example of a situation where an databaindex would not be useful and an example of a…

A: Index in database - In the books, you must have seen the index page will tell which topic is where…

Q: A University Try to complete the tasks below. Create a MYSQL Database named ' Create a MYSQL User…

A:

Q: What is the difference between SQL performance tuning and database performance tuning? What are the…

A: Step 1  The answer is given in the below step

Q: Assume you have StudentsDB database stored in MYSQL server that contains the following 2 tables as…

A: 1. Displaying file upload form to upload multiple imagesusing form multipart attribute in the form…

Q: create a history page based on a history table in a database. To be specific, you are asked to…

A: A Web Service which refers to an application that can be accessed over a network, such as the…

Q: data

A: Given :- The statements for assertions    Need to mention the given statements were true or false…

Q: Tyler Richardson set up a house alarm system when he moved to his new home in Seattle. For security…

A: Physical address: The physical address in networking is defined as the location that is present in…

Q: QUESTION 20 FILL IN THE BLANKS to the following statement "A is a slicer applied to the date field…

A: Concept of Power BI

Q: Once a transaction is committed, it cannot be rolled back. True or false? An index file is always…

A: The above question is from database

Q: In MongoDB, if documents in the collection had key names of fname, lname, age, email, and gender, in…

A: Below is the answer with explanation:

Q: Consider the following database schema. BOOK (BID, TITLE, GENRE, AUTHOR) BORROWS (RID, BID, DATE)…

A: Given database schema: -…

Q: University of Bahrain Information Technology College Computer Science Department ITCS 333 –…

A: have made files upload. php record with every one of the modules you ask in the question. Content…

Q: DB

A: Database: It is a collection of data that are represented in organized form. These data are stored…

Q: Our MongoDB database consists of a ‘class’ collection in which documents represent students and have…

A: The solution to the given problem is below.     ***Note: According to Bartleby policy we are not…

Q: Suppose you want to store the records of the employees of your company. They all have employee ID's…

A: Actually, given information is: Suppose you want to store the records of the employees of your…

Q: Using the film database you have, answer the following queries in your schema then write them down…

A: Answer: I have done code  and also I have attached code as well as code screenshot.

Q: Why is an index on a database column created? A:To optimize data integrity B:To optimize data…

A: the index used in database column has great usability

Q: What are Situations where default values will improve data integrity and situations where using them…

A: Answer: There are two situation as follows: 1.Situation where data integrity decreases: (a) There…

Q: Q3. Mysql Information: MYSQL RDBMS Address: students.emu.edu. User Name: Q3 Password: shudent…

A: Here we write simple PHP code to get all requirements: ==================================

Q: Create a trigger on WORKS_ON, if a new tuple with Hours=NULL is inserted, set the Hours to 0. 6.…

A: Actually,  A trigger is a stored procedure in database which automatically invokes whenever a…

Q: In what way does the choice of a data typefor a field help to control the integrity ofthat field?

A: Lets see the solution.

Q: Which of the following has no repeating groups but can contain partial or transitive dependencies?a.…

A: First-Normal Form (1NF): If a table does not contain any replicate fields or groups of fields,…

Q: mport your database model When you think your database model is ready, use Forward Engineer feature…

A: we have to import databse in mysql

Q: Single level ordered indexes are used in every DBMS, sometimes deployed automatically, sometimes…

A: Hey there, I am writing the required solution based on the above given question. Please do find the…

Q: What are the three stages during the startup of an Oracle database? If a copy of the control file is…

A: Since you have asked multiple questions, we will solve the first one for you. If you want any…

Q: Salesforce Case Study: Suppose that in you Salesforce Developer Org there is an custom object table…

A: According to the given case study we wanted to insert name as ‘Logics’ and level as ‘Easy’ but you…

Q: ) Create a trigger so that when user tries to update category table, new value won't take effect…

A: A)   DECLARECursor c1 is select table_name from user_tables; BEGINOPEN c1;FETCH c1 INTO tables c1…

Q: In Oracle, a calculated field such as item_price * item_quantity differs from a table field in what…

A: A field is nothing but a column in database table. A calculated or computed is a field that makes…

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: In what circumstances would utilizing default values promote data integrity, and in what…

A: Data integrity relates to data quality and consistency (validity) over its lifecycle. Compromised…

Q: In MS Access, if you have two related tables and you check the box to enforce referential integrity,…

A: Referential Integrity is a process of referring a column in primary table as a reference to the some…

Q: What is the purpose of Oracle NVL function. Show an example where you use it.

A: The NVL function is used to replace the null value with some meaningful or constant value. It…

Q: Question 36 options:   1)  A row, table, or an entire database   2)  A row, table, or an entire…

A: 1) On application level we can restrict ( by implementing locking mechanism) other user to make…

Q: (a) It creates the table T1 in which any delete operation on either T1 or T2 violating the…

A: ON DELETE SET DEFAULT , fills default values in the foreign key columns of the child tables when the…

Q: An employee of BITS Corporation created the query shown in Figure 2-48. She wants to list the client…

A: 1. select * from tasks; The SQL query is using * to get all the columns from the tasks table…

Q: Create an MVC web application having the index view given below. The given view will be populated…

A: model/POJO/Dao class code:   import javax.validation.constraints.Size;  // pojo classpublic class…

Q: Computer Science Use OlympicsDBv2. Create a ChangeLog table in the database that will be used as a…

A: Answer: I have given answer in the brief. you can edit from primary key.