Write an SQL query to extract the answer directly.

Q: Given a table students in SQL. Write a SQL query to add a column Address Varchar(30) in the student…

A: Given Table: students  We have to add a new column Address Varchar(30) to the given table students.…

Q: Display the list of students who are involved in the IT club Display the details of all the…

A: First get the studid from Club table and then get those Student details This can be done using inner…

Q: Difference between count (*) and count (col_name). Explain with an example.

A: These are the function belongs to SQL's aggregate functions The count(*) function counts the total…

Q: Difference between count (*) and count (col_name). Explain with an example.

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

Q: WHY DO I get this error:SELECT TOP(3) p.name FROM publisher p ERROR at line 5: ORA-00923: FROM…

A: TOP command does not work in Oracle.

Q: 2. Write a SQL statement to create a table Cars(model_id varchar(5), model_name varchar(15), year…

A: Given attributes are  model_id  model_name year

Q: Write SQL query that returns the Name of ALL employees (based on EMP_LNAME and EMP_FNAME in EMPLOYEE…

A: Answer:  SQL queries=> 1) For getting EMP_NAME from EMP_FNAME and EMP_LNAME Select…

Q: Write a PL/SQL block of code that performs the following tasks: Read a Book id provided by user at…

A: I have used PL/SQL Cursors to solve the given problem SET SERVEROUTPUT ON; DECLARE v_author…

Q: Consider the following schema: Publisher (name, phone, city), PK: name. Book (ISBN, title, year,…

A: select b.title from Book b inner join (select e.bISBN from Edit e group by e.eSSN having count(*)…

Q: A trigger is procedural SQL code that is manually invoked by the RDBMS upon the occurrence of a…

A: Trigger in SQL           A trigger is a particular class of stored procedure that starts running…

Q: How can I see all tables in SQL

A: Answer:

Q: Explain the null functions in Oracle Sql

A: Software programs known as database management systems make it easier to create, organize, retrieve,…

Q: PL/SQL Create a simple loop that prints instructor names, where instructor IDs are in the range…

A: Required:   PL/SQL Create a simple loop that prints instructor names, where instructor IDs are in…

Q: orms Addition, Subtraction Mu

A: SQL (Structured Query Language) is a domain-specific language used for managing and manipulating…

Q: Explain the null functions in Oracle Sql

A: Null functions in Oracle SQL are essential for controlling and modifying null values in database…

Q: Write the SQL statements to create database objects. la. Create a table with the details shown…

A: Note: - As per our guidelines we can only answer one question at a time. Please resubmit the other…

Q: Write and execute a SQL query to list all patients whose information about race or gender has…

A: Answer: SQL Query: Method 1: select vvs.*, lag(race) over (partition by user order by age) as…

Q: Write SQL queries to create tables with keys and relations corresponding to each of the  following…

A: Entity relation diagram mainly contains three components that are Entities, Attributes and…

Q: Translate the following MIPS assembly instructions to machine codes. To find the corresponding…

A: MIPS to machine code conversion: Machine code have the general format where, Instruction are…

Q: Write an SQL query similar to the one shown on page 472 that uses the total dollar amount of each…

A: Given: Write an SQL query similar to the one shown on page 472 that uses the totaldollar amount of…

Q: Write a SQL query to get a list of all buildings and the number of open requests (Requests in which…

A: Given: Write a SQL query to get a list of all buildings and the number of open requests(Requests in…

Q: Write an sql query to fetch all those employees who work on projects other then P1

A: The SQL query is given below with OUTPUT screenshot

Q: 1. Write a SQL query to list first name, last name and rank of only professors whose rank is…

A: According to Bartleby Guidelines we need to answer only one question so I have answered first…

Q: Write a PL/SQL block to select and display the names of all students who scored more than the…

A: Given values, Student_ID Name of Student Marks Obtained Department_ID  1 Asma  78 1 2 Anwar…

Q: In SQL write a query to remove a table and it's schema from the database. Table: Player(PID, Name,…

A: For this we have to drop the table using the drop syntax. Here is the query:

Q: How can I see all tables in SQL?

A: The answer to the question is given below:

Q: 2 Q3: Find the top 2 accounts with the maximum number of unique patients on a monthly basis. Patient…

A: select * from ( select * , row_number() over (partition by month,AccountID order by count(distinct…

Q: Write a SQL statement to count all the records from STUDENT table per department and arrange in…

A: To group the table as per department, use GROUP BY clause.  To arrange the record in ascending…

Q: Write a SQL query that would display only each unique salary from an employee table.

A: Your answer is given below.

Q: Write an SQL query to fetch the employees whose name begins with any two characters followed by a…

A: The SQL Query is given below with OUTPUT screenshot

Q: Write an SQL query that will show all data from the Customers table andOrder By State.

A: SQL query: Query to select all the data from the “Customers” table order by “State” SELECT * FROM…

Q: In a database, Write SQL query to show table structure of table name Guardians.

A: Given you are present in the database where the table exist, to show the structure of any table in…

Q: Write MS SQL Query to retrieve top 10 students ordered by marks  Student(Id, Name, Marks)

A: HI THEREI AM ADDING QUERY BELOW FOR ABOVE QUESTION PLEASE GO THROUGH IT THANK YOU

Single Table

In a database management system, a single table is designed to obtain data of heterogeneous items. A single-table design with DynamoDB resolves the issue of raising multiple requests for the relevant data of an entity.