The essential condition of third normal form is automatically satisfied whenA) a table has only one non-key columnB) a table has only one key columnC) a table has only one primary keyD) a table has no foreign key

Q: 3. CREATE TABLE Employee ( name VARCHAR(), e_id int, mgr_id INT, PRIMARY KEY (e_id) ); CREATE…

A: The SQL queries are given in the below step   We have to use self join of table Employee as Manager…

Q: in sql The CREATE TRIGGER statement is used to create the trigger. THE _____ clause specifies the…

A: We are going to fill in the blanks where options are given: THE _____ clause specifies the table…

Q: create table patients ( patient_id VARCHAR(255), name VARCHAR(255), insurance DECIMAL(15,2),…

A: Step 1Since you have asked multiple questions, according to the company's policy we will solve the…

Q: A foreign key in a table (a) may not be composed of a single element (b) Should, in turn, be…

A: Answer : The Given MCQ Answer is option D) must belong to the primary key of the table in which it…

Q: Find the term that is used to link columns with the same column names but distinct data types.…

A: The answer to the question is given below:

Q: Write a query to display the patron ID, full name (first and last), and patron type for all patrons.…

A: - select clause is used to retrieve data from given table and returns data in the form of table. -…

Q: 2. Use Employees table and design the following query with the help of CASE expression to: To…

A: Query: SELECT upper(First_Name) as First_Name,…

Q: Write a SELECT statement that returns CustomerId and average Total from the Invoice table grouped by…

A: SQL query to get customer id and average total

Q: Problem 2.4: Create a pseudo table EMPLOYEE with the same structure and records as the table EMP…

A: Answer: Pseudocode: create database sql create table employee( declare EMPNO integers not null,…

Q: Modify the CUSTOMER table to include the customer’s date of birth (CUST_DOB)

A: alter is the command used to modify table add is the command used to add a column to table

Q: Write the SQL code that will create only the table structure for a table named EMP_1. This table…

A: SQL CODE:   CREATE TABLE EMP_1 (EMP_NUM          VARCHAR(3)             PRIMARY KEY,EMP_LNAME…

Q: Problem 1.6: Add constraints to the EMP1 table to check the EMPNO value while entering (i.e) EMPNO >…

A: Syntax for altering check constraint:-  alter table tableName add check(condition) Syntax for…

Q: Please write these statements for (i), (ii) and (iii) using the data and tables I've presented.…

A: i. SELECT d.NAME, SUM(r.PRICE) AS REVENUE FROM DRIVER d, RIDE r WHERE d.ID=r.DRIVER  GROUP BY…

Q: IN SQL ** 1- Write a query clause to display the internal structure of the departments table, then…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost the remaining…

Q: Change the structure of Employee table by adding a new column called Address of type varchar2(50).

A: The ALTER TABLE statement is used to add, delete, or modify columns in an existing table.

Q: Question 15 Suppose that you have the following table created as: CREATE TABLE TAB1 (NAME VARCHAR2…

A: For this question we can decompose the name by using parsename. Parsename will decompose a full name…

Q: 3. Modify the CUSTOMER table: a) to include the customer's date of birth (CUST_DOB), which should…

A: Actually, database is a used to stores the data.

Q: Question2: (Use the rules for Normal Forms to normalize the table given below) Normalize the table…

A: Answer) Relation T:A,B,C,D,E,F,G FDs:A,B -> DD -> E,FG -> C FD [A,B --> D] violates BCNF…

Q: Create the INVOICE table structure illustrated in Figure P8.16. INV_NUM should store integer values.…

A: Since database is not mentioned I am assuming Oracle database.

Q: Problem 1.1: Create a table called EMP with the following structure. Name EMPNO ENAME…

A: As per guidelines, I'm supposed to answer first 3 subparts. Please repost other questions as…

Q: Use arithmetic operators and aggregate functions. Procedure: 1. Create a table named StudentGrade…

A: --creating tablecreate table studentgrade(coursecode varchar(30),coursetitle varchar(30),units…

Q: When creating a SQL table, _____. a. include only those columns for which data will always be known…

A: Ans: When creating a SQL table,  d) you must add PRIMARY KEY NOT NULL for the primary key column(s)

Q: Problem 16 Create the CUSTOMER table structure illustrated in Figure P8.16. The customer number…

A: create table CUSTOMER ( CUST_NUM int primary key, CUST_FNAME varchar (30), CUST_LNAME varchar(30),…

Q: 1. Write a PLSQL program using implicit cursor to update employee salary with 100 BD in employee…

A: Create table employee(empid number(20) primary key,name varchar(20),age number(10), address…

Q: Row is synonymous with the term: a. record b. relation c. column d. field

A: In the above mentioned question it asked us the Row is synonymous with the term.the answer is given…

Q: Problem 1.6: Add constraints to the EMP1 table to check the EMPNO value while entering (i.e) EMPNO >…

A: Since you have posted a question with multiple sub-parts, according to the company's policy we will…

Q: student takes ID ID cOurse_id sec_id semester year grade пате dept_name tot_cred section course…

A: So, as per the ER diagram give, we don't require all those tables but we need instructor table and…

Q: 4. For this problem create a table called instructor_course_nums. Write a procedure that accepts an…

A: Ans:) In this problem we have to create a table called instructor_course_nums. I have divided the…

Q: a) Using the relational operator INTERSECT, list the result for the above two tables. b) Using the…

A: a. INTERSECT: ( ∩ ) This operator is used to select records in both general tables. In other words…

Q: The foreign key in the table adult is called a foreign key.

A: Referential Foreign Key

Q: Third normal form says: a. No nonkey columns depend on another nonkey column. b.…

A: • When a database is in the third normal form, it is assumed to be in the third normal form. If it…

Q: Table Valued Function: ufn_FetchAllAppointments This function fetches all the appointment details…

A: As Given, Function is: ufn_FetchAllAppointments We have to fetch all the appointment details from…

Q: A Column spanner in a table should describe which of the following

A: Lets see the solution.

Q: Q1- List all employees whose job_id is IT_PROG and hired after 01-JAN-95 and earning more than 5000.…

A: Let the table name be emp which has the following columns   employee_id, first_name, last_name,…

Q: Write the SQL code required to list the employee number, last name, first name, and middle initial…

A: SELECT is the keyword used in the SQL to fetch columns which are required to be displayed in the…

Q: First normal form says: a. No nonkey columns depend on another nonkey column b. Every column…

A: First Normal Form says 1: It contains only atomic values 2:attrubute of table doesn't hold multiple…

Q: 3. Create a procedure, ADD_EMPLOYEE, to insert a new employee into the EMPLOYEES table. The…

A: Note:  As per our guidelines we are supposed to answer only one question. Kindly repost the other…

Q: 4. For this problem create a table called instructor_course_nums. Write a procedure that accepts an…

A: Answer is given below .

Q: Write a SELECT statement to select the registered name, height, and birth date for only horses that…

A: To write SQL query.

Q: oblem create a (temporary) table called instructor_course_nums. Write a procedure that accepts an…

A: Mysql database scripting is used for explanation: create a table called instructor_course_nums (…

Q: Use single-row subquery in a HAVING clause. List customer numbers of customers who paid total amount…

A: A unmarried row subquery returns 0 or one row to the outer SQL assertion. You can area a subquery in…

Q: You must represent it by respecting the following textual notation. Table name: is represented by…

A: It is defined as a software for storing and retrieving users' data while considering appropriate…

Q: ) Write a SAS SQL statement to retrieve all columns from PG1.STORM_FINAL. (b) Modify the query to…

A: SAS SQL statements are given below :

Q: The following constraints are commonly used in SQL: AAA"Adding rows to a table" NOT NULL - Ensures…

A: Below I have provided the queries:

Q: . Rename the EMPLOYEES table as JL_EMPS

A: Renaming the table The Structured Query Language (SQL) alter statement is used when there is a…

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.