Questions: 1- Display the IDs of all instructors who have never taught a couse and display their names. (USE JOIN) 2- For all instructors in the university who have taught some course, find their names and the course ID of all courses they taught 3- Find all courses whose identifier starts with the string "CS-1"

Q: Task 4: Use the IN operator to find the ID, first name, and last name of each customer for which as…

A: The above question is solved in step 2 :-

Q: SOSL Query: Create a SOSL Query in salesforce to find the test keyword in the whole organization.…

A: Here we have to create an SOSL query in salesforce to find the test keyword. Here I have syntax for…

Q: List the first name and last name of all authors. Concatenate the first and last names so that the…

A: Concat() function : This function in SQL joins string into one, maximum string which it can take as…

Q: Write a Select statement that returns the Trading_Symbol column and the Num_Shares column only from…

A: Sample Response: select Trading_Symbol ,Num_Shares from rows where Selling_Price > Purchase_Price…

Q: You have been instructed to add a new student information to the students table. Because the student…

A: You have been instructed to add a new student information to the students table. Because the student…

Q: 31-Create a SQL statement to Display the number of clients for each CType with having less than 2…

A: Here we need group the CType using GroupBy clause and then use Having clause to select only those…

Q: SQL code: to add an additional column  ex:   ALTER TABLE chicken ADD dish varchar(30) Question: How…

A: Alter table is used to add or modify table structure.  In sql it is possible to add default values…

Q: The command DESC DEPARTMENTS shows the following information Name Null? Type DEPARTMENT ID NOT NULL…

A: Let's see the answer

Q: enter null value in a column where the Unique constraint is assigned to that column

A: enter null value in a column where the Unique constraint is assigned to that column True or False

Q: Which operator should you employ in order to locate NULL values?

A: IS NULL operator is used to locate NULL values

Q: Display the customer names of all customers who have ordered (on the same or different orders) both…

A: Disрlаy  the  сustоmer  nаmes  оf  аll  сustоmers  whо  hаve  оrdered  (оn  the  sаme  оr  different…

Q: With the following table:   PRODUCTS(PRODUCT_NUMBER, DESCRIPTION,PURCHASE_DATE,CATEGORY)   Write…

A: Given table is:PRODUCTS(PRODUCT_NUMBER, DESCRIPTION,PURCHASE_DATE,CATEGORY)Write the mySQL statement…

Q: List all authorswhose last name contains the letter pattern "IN." Put the results in order of last…

A: A Structured Query Language (SQL) code to list all authors whose last name contains the letter…

Q: Part II: Complete the following exercise:    Using a subquery, select student first name where the…

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

Q: Task 9: Use a subquery to find the sales rep ID, first name, and last name of each sales rep who…

A: 9. SELECT rep.rep_ID,rep.last_name,rep.first_name FROM rep WHERE rep.rep_ID IN (SELECT rep_ID FROM…

Q: What does the group by clause accomplish?

A: group by clause is used in relational database with select statement. In select statement group by…

Q: To locate NULL values, which operator should you use?

A: An operator is a special symbol in an SQL statements' WHERE clause which performs operations on…

Q: I. Retrieve the SSN_NUMBER of all employees whose name starts with N. Attribute First Name Last Name…

A: Given: To write the SQL query.

Q: Where stud_type_id=student_type.id AND student_type.name='local'

A: The complete answer is given below.

Q: 3 3. Write a program in C to find the maximum number among 3 numbers using a pointer. Take the input…

A: #include <stdio.h>int main(){    int num1, num2, num3;    int *p1, *p2, *p3;…

Q: How do you indicate that a column alias should be used?

A: NOTE: - Below explanation is as per the oracle database. CONCEPT OF COLUMN ALIASING: - The column…

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: How about this 3) Prompt the user to search for the student id by the student's name.

A: #include <stdio.h>#include <string.h>#include <stdlib.h>// create struct for…

Q: Query 3: Write a parameter query to display the names of all prospects each member tried to recruit…

A: Here have to determine query for given problem.

Q: Task 19: List the REP_ID and the corresponding sum of the balances, as BALANCE, of all customers for…

A: List the REP_ID and the corresponding sum of the balances, as BALANCE, of all customers for each…

Q: Given the last fragment size is 341.0 bytes which includes 125 of header bytes. Also given, the MTU…

A: As per the answering guidelines, solving the first question completely.  Q1.  A.  Data size of last…

Q: ay last name of employees whose manager is KING. 8-Display last name, salary and job title of all…

A: Here are the SQL statements to perform each of the requested queries: SQL (Structured Query…

Q: Display all the student names whose grade is C. Display the Section-Identifier and Course-name…

A: The answer is

Q: individual characters using their 0-based index. Hint: You will need to do this for checking all the…

A: This program reads input values from the user using the input() function and stores them in four…

Q: Task 4: Use the EXISTS  operator to find the ID, first name, and last name of each customer for…

A: As the table details are not given and the question is nearly incomplete, hence we assume that the…