rad is designing a form for his database. Which of the following is not true about forms? a. Forms should validate data as it is entered. b. A form provides a data entry screen. c. Brad can include instructions specific to each field. d. A form generally shows multiple records at a time
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| a. |
Forms should validate data as it is entered. |
|
| b. |
A form provides a data entry screen. |
|
| c. |
Brad can include instructions specific to each field. |
|
| d. |
A form generally shows multiple records at a time. |
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- Which of the following is a correct statement? a. A commit is issued implicitly when a user exits SQL Developer or SQLPlus. b. A commit is issued implicitly when a DDL command is executed. c. A commit is issued automatically when a DML command is executed. d. All of the above are correct. e. Both a and b are correct. f. Both a and c are correct.9) Which of the following is the best way to ensure a form field is non-empty prior to allowing the form to be processed? A) In the stored procedure the database will use for processing, check to see if the field passed is empty and return an error. B) Create a server side method that will return an error if the value of the field passed in is empty. C) Have a tool tip on the field in the form saying the field is required. D) Create a Javascript method to validate the field and assign it to the form’s onsubmit method.If you are entering data in a form, a quick way to copy a value from the previous record is to press a) Ctrl+’ b) F6 c) Ctrl+D d) None of the above Which of the following is NOT a type of Microsoft Access database object? a) Queries b) Workbooks c) Forms d) Tables
- Which of the following is not true about database objects? a. You can split a form into multiple parts. b. A query should include all the fields in a table. c. You may want to require that all fields be entered before submitting a form. d. When creating a report, you should consider its layout and design. Brad is designing a form for his database. Which of the following is not true about forms? a. Forms should validate data as it is entered. b. A form provides a data entry screen. c. Brad can include instructions specific to each field. d. A form generally shows multiple records at a time. In a database, a data file is a/n ______. a. collection of related records b. index of the database's objects c. list of the fields in a table d. query result that can be saved as a table A data warehouse is a type of database. True FalseWrite a script that creates and calls a stored procedure named spInsertDepartment. First, code a statement that creates a procedure that adds a new row to the Departments table. To do that, this procedure should have one parameter for the department name. Code at least two EXEC statements that test this procedure. (Note that this table does not allow duplicate department names.)Q1.) An integrity constraint is a rule that: a. is kept in an external file b. must be followed by data in the database c. can be accessed by authorized users d. can unintentionally be accessed by unauthorized users Q2. __ is a property that lets you change the structure of the database without requiring you to change the programs that access the database. a. Database design b. Data independence c. Integrity constraint d. Data dependence Q3. The basic form of an SQL retrieval command is: a. SELECT-WHERE-FROM b. CREATE-SELECT-FROM c. SELECT-WHERE d. SELECT-FROM-WHERE Q4. Which of the following queries will list the number, name, credit limit, and balance for all customers with credit limits that exceed their balances. a. SELECT CustomerNum, CustomerName FROM Customer WHERE CreditLimit>Balance ; b. SELECT CustomerNum, CustomerName, CreditLimit, Balance FROM Customer WHERE CreditLimit>Balance ; c. SELECT…
- Which of the following statement is not correct? A Database System is a collection of programs that enables users to create and maintain a database none. A Database is a collection of related data A Database Management System is a collection of programs that enables users to create and maintain a databaseYou have a table that contains the following fields: MemberLastName, MemberFirstName, Street, City, State, ZipCode, and MembershipFee. There are 75,000 records in the table. What indexes would you create for the table, and why would you create these indexes?Make sure you have namespaces with: using System, using System.Data.sqlClient Design a windows (WPF) application which will display contents from your local movie Db. Demonstrate the following items. 1) Design a functional GUi interface 2) Allow an user to view data to retrieve 1 row, 2 rows or all rows of data 3) Allow an user to search on the title and description column of this DB.
- Which of the following statements assigns the role CUSTOMERREP as the default role for Maurice Cain? (refer to the JustLee Books database).a. ALTER ROLE mcainDEFAULT ROLE customerrep;b. ALTER USER mcainTO customerrep;c. SET DEFAULT ROLE customerrepFOR mcain;d. ALTER USER mcainDEFAULT ROLE customerrep;e. SET ROLE customerrepFOR mcainCan you explain why this code does not insert information into the database but displays an error with the text:->Please select a product type<br>Please enter a product name<br>Please enter a valid product price<br>Please enter a product SKU<br>Please enter a product attribute rest of the code as image <?php require_once '../src/db/Db.php'; //attempt to connect to the database try { $pdo = Db::getConnection(); $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); } catch (PDOException $e) { echo 'Error connecting to database: ' . $e->getMessage(); exit; } // Report all PHP errors error_reporting(E_ALL); // Display errors ini_set('display_errors', 1); ini_set('display_startup_errors', 1); if ($_SERVER['REQUEST_METHOD'] === 'POST') { // retrieve form data $type = $_POST['type'] ?? ''; $name = $_POST['name'] ?? ''; $price = $_POST['price'] ?? ''; $sku = $_POST['sku'] ?? ''; $attribute = $_POST['attribute'] ?? ''; //Perform validation $errors =…Q1. Use the DBCA to Create a Database In this exercise, you will create a database listener (if one does not exist already) and then create a database to be called MYDB_<your name> using the DBCA, on either Windows or Linux. There is no significant difference between platforms. The illustrations that follow happen to be from Windows.
