Consider a language that is described by the following grammar: The starting symbol S Non-terminal symbols = {S, B} Terminal symbols = { a, b, c } - P= { S- aSBc S→ abc cB → BE bB → bb } Which sentences (if any) of the following four sentences belong to the language? write yes or no beside the sentence, 1- abbc 2- abcabc 3- abc 4- aabbcc

Q: LIST THE FIRST AND LAST NAMES OF ALL OWNERS WHO OWN A TWO-BEDROOM PROPERTY. USE THE IN OPERATOR IN…

A: Considering there are 2 tables:-  OWNER: which holds the OWNER_NUM, FIRST_NAME, and LAST_NAME…

Q: Form to complete before calling Medlink

A: MedLink which refers to the one it is a suite of mobile apps that provide access to health and…

Q: python Create a pivot table to show the number of permits by borough in your assigned period with…

A:

Q: Show students’ first name, last name, the grades of the students, and the credits of the course for…

A: Select St.FristName, St.LastName, Et.Grade, C.CourseIDfrom Student St INNER JOIN Enrollment Et ON…

Q: True or False Each column in a table must have a name.

A: Each column in a table must have a unique name. The entries within each column should match with…

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: A) Write PI/SQL code to print the odd numbers in the range from 5 to 25 Answer

A: Given:

Q: If you omitted the WHERE clause of an UPDATE or DELETE statements, the query returns an error…

A: Delete statement without WHERE clause will delete all the records of the table and without proper…

Q: Set the time it takes for data to arrive.

A: Define latency in data. When an event occurs, the amount of time it takes for your information to…

Q: How is the TRUNC function different from the ROUND function?

A: Difference between TRUNC and ROUND functions The TRUNC function cuts off the number at two digits.…

Q: Determine the kind of books in the library's current collection. Each category should include just a…

A: Determine the kind of books in the library's current collection. Each category should include just a…

Q: List out the rules for column naming convention.

A: We are going to understand the rules which must be used for column naming convention.

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

A: IS NULL operator is used to locate NULL values

Q: Due to class time restrictions, the lecturer is unable to respond to all the students' queries.

A: Please Specify More information regarding the same.

Q: Python application that prints a table of the numbers entered by the user.

A: Here I have taken input from the user and stored it into the variable. Next, I have used a for loop…

Q: Name the rules exhange data between computers.

A: Given: Name the rules exhange data between computers.

Q: in a truth table, what determines the truth/false in the last column

A: Answer: Truth table: Truth table is a diagram in rows and columns showing how the truth or falsity…

Q: ult value for table boarders that gives each cell its own boarder

A: Required: Default value for table boarders that gives each cell its own boarder

Q: USE NORTHWIND DATABASE Write a SELECT statement using the CASE function. The statement returns two…

A: sql select statement for above question is shown in step2

Q: Match each argument within a lookup function with its best description. Lookup value Table array…

A: LOOKUP function searches for a value from an array. The VLOOKUP function is a kind of lookup…

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: What is the function of a column qualifier? When do you have to use one?

A: Column qualifiers are used for distinct access of the data values in order to identify them…

Q: Happy Shop sells different products to the customers. A customer could buy one or more products at a…

A: Ans: The primary key for the given table is customer ID. The 3 different update anomalies are as…

Q: O RETURN DEFINE BEGIN IS

A: Here , in PL/SQL  we have functions that provide us with sophisticated language constructs to any…

Q: C) Which employees earn less salary than the average salary for the consultants who perform the same…

A: According to the information given:- We have to consider the instruction to write queries on the…

Q: ery: List the IDs of the tutors who are currently tutoring more t

A: From the question, we need to write a Query of the list of the IDs of the tutors. SQL that would…

Q: Using php and sql: create a query and any supporting PHP code that will output the user name and…

A: <?php$servername = "localhost";$username = "username";$password = "password";$dbname = "myDB"; //…

Q: In SQL, you use the __ statement to retrieve the rows in a table.   Question 7 options:   SELECT…

A: Given: In SQL, you use the __ statement to retrieve the rows in a table.   Question 7 options:…

Q: List the employee’s first and last name and the department name he/she does NOT belong topurchasing,…

A: The objective of the question is to retrieve the first and last names of employees who do not belong…

Q: Question 13: Evaluate ACE16 + 102 10 and show the answer in octal form.

A: In step 2, I have provided  brief  solution of the question..............

Q: Sum, average and Count Letter grades using switch.

A: The below program is coded In Java language.

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: SQL Server's character data types come in three varieties: NVARCHAR, NVARCHAR, and NVARCHAR.

A: Introduction: A SQL developer must choose what information will be kept in each column before…

Q: IN SQL If you omitted the WHERE clause of SELECT statement, the query returns an error because the…

A: Answer True explanation because if  the condition is  given with the query then where clause is…