Which of the following keywords allows the user to delete a record from a table, even if rows in another table reference the record through a FOREIGN KEY constraint? ( refer to the tables in the JustLee Books database).                 a. CASCADE                                                                                                        b. CASCADE ON DELETE                                                                                     c. DELETE ON CASCADE                                                                                      d. DROP                                                                                                              e. ON DELETE CASCADE

Q: In order to prevent the duplicate values to be inserted to a column of a table, we use the DISTINCT…

A: In order to prevent the duplicate values to be inserted to a column of a table, we use the UNIQUE…

Q: Display all data contained in one of the tables in the JustLee Books database. Retrieve two columns…

A: Introduction Database: A database is a collection of organized data that is electronically stored…

Q: What is the maximum number of characters allowed in a table alias? (refer to the tables in the…

A: Maximum number of characters in a table alias Table alias is declared in the From clause and can be…

Q: Write SQL statement to display all data in ITEM table.

A: ANSWER: SQL Statement: Example:

Q: When does Oracle 12c construct an index for a table by itself?

A: Create Index Create Index create index on one or more columns of a table, a partitioned table, an…

Q: If you wanted to update another table with new records for every row updated, deleted, or inserted…

A: Introduction: In a database management system, a trigger is a set of instructions that the system…

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

A: Answer: a. True

Q: Which type of database constraint does the following trigger implement? a.Key constraint b.Dynamic…

A: Summary: We need to identify the type of database constraint that will implement the given trigger.

Q: Task 6: Add the following record to the OWNER table: INSERT INTO OWNER VALUES('SA100', 'Sam',…

A: Attached the Procedure to add the following record to the OWNER table:   INSERT INTO OWNER…

Q: Some rows of a User table are shown below:   User ucode name phone scode 7 Alex 847 - 3902…

A: Names and phone numbers are among the details about different users that are included in the User…

Q: Use the following code to answer the question: DataTable tblCourses = myDataSet.Tables[0]; %3D…

A: The correct option is option 3rd. That is DataSet.

Q: What is the maximum number of PRIMARY KEY constraints allowed for a table? ( refer to the tables in…

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

Q: In PL/SQL, which of the following variable type is used to declare a record? %TYPE O %RECORDTYPE…

A: here have to determine in plsql which of the following variable type is used to declare a record.

Q: Which of the following statements places a shared lock on at least a portion of a table named…

A: Explanation: A shared lock on a resource means that resource is open for write operation only by…

Q: 1. Create tblEmp with three columns, namely, EID, Name and Salary 2. Create an anonymous PL/SQL…

A: CREATE TABLE tblEmp ( EID INT (10) NoT NULL, Name VARCHAR (20), Salary int (10) NoT NULL, PRIMARY…

Q: CREATE TABLE keyvalue (  id SERIAL,  key VARCHAR(128) UNIQUE,  value VARCHAR(128) UNIQUE,…

A: The required stored procedure is given below   CREATE PROCEDURE dbo.keyValue AS BEGIN   UPDATE…

Q: Which of the following statements is correct? (refer to the tables in the JustLee Books database)…

A: Explanation: When a column is set as unused, the storage space isn’t released until later. A column…

Q: What is the difference between disabling a constraint and dropping a constraint? ( refer to the…

A: Difference between disabling a constraint and dropping a constraint: The differences are given as a…

Q: write a trigger that will be activated after a DELETE activity. The trigger will INSERT all deleted…

A: The solution is given in the below step with explanation

Q: Which of the following lists all books published by the publisher named Printing Is Us? (refer to…

A: NATURAL JOIN A NATURAL JOIN is a kind of JOIN used along with SELECT statements in most of the…

Q: What are the after triggers ? Select one: a. Both b and c b. These triggers run after an insert,…

A: Answer to the above question is in step2.

Q: When does Oracle 12c construct an index automatically for a table?

A: An index is an optional structure associated with tables and collections, which you can explicitly…

Q: Which of the following statements are true about heap organized tables? QuestionInstructionsCode…

A: Heap organized table: This table has rows which is used to store the data in particular order which…

Q: Write a trigger that will be activated when a new customer is added to the Customers table and that…

A: Solution :This is a trigger that will be activated when a new customer is added to the Customers…

Q: Create the ADD_INVOICE procedure to add rows to the INVOICE table. (

A: A SQL Procedure is created by writing the keyword "CREATE PROCEDURE" then procedure name i.e.,…

Q: In SQL, what syntax is used to pull back records from a database? a. FIND IN b. LOCATE IN c. PULL…

A: 1) SQL is a standard language for storing, manipulating and retrieving data in databases 2) The…

Q: How many times has each book title been borrowed? Give the new column an alias.

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

Q: • Using the MySQL client: o Create a new table in the dogs_db database called student (id int, name…

A: show databases;create database dogs_db;use dogs_db;

Q: What happens if a user attempts to add data to a table, and the addition would cause the record to…

A: NOTE: -The explanation is done as per the Oracle database. If any attempt is being made to add data…

Q: in mySQL, an outer join will only return records that exist in both the left and right tables. True…

A: Solution :  in mySQL, an outer join will only return records that exist in both the left and right…

Q: 1. Create tblEmp with three columns, namely, EID, Name and Salary 2. Create an anonymous PL/sQL…

A: The Answer is

Q: 1. Create a package named EMP_PS which has a function named findEmpByID which takes employee number…

A: Given: Create a package named EMP_PS which has a function named findEmpByID which takes employee…

Q: When does Oracle 12c automatically generate an index for a table that it has been given access to?

A: Answer:

Q: SQL Commands Tables sec0410_data2 and sec0410_data1 have the same record structure. Each row has…

A: We can put data using - insert into select statement This statement copies data from one table and…

Q: When does Oracle 12c construct an index automatically for a table?

A: The index in Database Relations: An index represents each value in the relation or cluster's…

Q: Which of the following creates a new table in a database and also copies the records into the new…

A: Required: Which of the following creates a new table in a database and also copies the records into…

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: EMPDET is an external table containing the columns EMPNO and ENAME. Which command would work in…

A: MPDET is an external table containing the columns EMPNO and ENAME. Which command would work in…