Problems are based on the following query: SELECT                                  P_CODE, SUM(LINE_UNITS) FROM                                    LINE GROUP BY                           P_CODE HAVING                               SUM(LINE_UNITS) > (SELECT MAX(LINE_UNITS) FROM LINE); Should you create an index on P_CODE? If so, write the SQL command to create the index. If not, explain your reasoning.

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: Make at least 10 sql statements from the table script given (try to make a little complex script)…

A: Query 1: To display table Books. SELECT * FROM Books;   Query 2: To count number of Readers. SELECT…

Q: Create the SQL command for the below problems; use the table below for the instance of the database.…

A: Note :- As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly…

Q: MarketPoint Sales currently has a credit limit of $5,000. Because MarketPoint Sales has an excellent…

A: Yes, the given statement is true.

Q: Below is the answer that I have but it is incorrect can anyone help?     select PROJ_NUM,…

A: Here you have simply used the ROUND(value,2) function. This will simply round the value to 2 places…

Q: a. Write a query to get the job ID and maximum salary of the employees where maximum salary is…

A: a) select Job_Id, max(Salary) from Employee group by job_id having (max(SALARY) >='4000');

Q: EmployeelD Last Name First Name Address City Province PostalCode Phone BirthDate 507 - 20th Ave.…

A: 1- A trigger is created for AFTER insert situation. 2- When a row is inserted, a copy of the row is…

Q: How do I create a query that includes first name, last name, email and state for all customers and…

A: Query:-   SELECT first_name, last_name, email, state, CASE WHEN customer_type = 'Customer' THEN 'C'…

Q: Use %ROWTYPE for your cursor. You will use 3 tables in this activity – departments, locations, and…

A: It is defined as a combination of SQL along with the procedural features of programming languages.…

Q: How does the RANK() function differ from DENSE_RANK() in SQL when ranking data?

A: Data ranking in SQL is accomplished using both the RANK() and DENSE_RANK() methods. They are…

Q: what sql statements could be use to find the following: A simple database composed of the following…

A: 1. SELECT DRUG_CODE , ROUND(DRUG_PRICE, 1) AS PRICE_ROUNDED FROM DRUG;   OUTPUT : Selects the column…

Q: Write SQL code for  To Extend the code in ( Perform a LEFT OUTER JOIN between the tables…

A: SQL (Structured Query Language) It is a domain-precise language utilized in programming and…

Q: Consider the following relational schema and answer the following questions. Employee (Employee_Id,…

A: - The schema provided is about employees with their data like their name, salary and multiple ids.

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: Create a stored procedure named prc_new_rental to insert new rows in the RENTAL table. The procedure…

A: A stored procedure called prc_new_rental has been developed in response to the request to help with…

Q: CREATE TABLE sales ( "year SMALLINT NOT NULL, "quarter' TINYINT NOT NULL, region VARCHAR (50) NOT…

A: CREATE TABLE sales( 'year' SMALLINT NOT NULL, 'quarter' TINYINT NOT NULL, region varchar(50) NOT…

Q: Write an SQL Query that will show the following attributes from theORDERS table: ORDER #, CUSTOMER…

A: “ORDER BY” Clause: SQL contains "ORDER BY” clause in order to sort rows. The values get sorted in…

Q: PL/SQL script

A: Given :- An Entity relation diagram is mention in the above given question   Need to write a PL/SQL…

Q: What is the significance of the ROW_NUMBER function when dealing with duplicate rows in SQL?

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Q: What are the performance implications of using the CROSS APPLY operator with user-defined functions…

A: Using the CROSS APPLY operator with user-defined functions in SQL can lead to performance…

Q: What is the primary key for the APARTMENTS table? (It may be a composite key involving 2 or more…

A: The question asks to identify the primary keys and foreign keys for the "APARTMENTS" and "RENTERS"…

Q: Write the following SQL queries based on the following relational schema: Student (stdID: char(5),…

A: Ans:- So let’s start solving the problem here I give the complete SQL query of the problem and…

Q: If you have 100 bottles and you need to put them in cases that will hold 12 bottles each, how should…

A: The solution is given below with explanations

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A: The following SQL queries can be used to achieve various tasks related to data searching and…

Q: Write and execute a SQL query to list all patient numbers and encounter ids which do not have any…

A: Actually, SQL stands for Structured Query Language.

Q: Write an SQL query to fetch “FIRST_NAME” from Worker table using the alias name as . ii.Write an SQL…

A: Since you have not provided the db schema containing the table and column details, I am providing…

Q: With SQL code, find the name of each employee with a manager along with their manager's name (use…

A: For finding this query  we will use the join clause.

Q: Please help with the following: Using oracle sql live or sql developer what sql statements could be…

A: 1.List all the rows in which the prescription dates occur on or after November 14. SELECT * FROM…

Q: ULL, Title VARCHAR2(30), TitleOfCourtesy VARCHAR2(25), BirthDate DATE, HireDate DATE, Address…

A: Dear Student, The required query with explanation is given below -

Q: Run lab_emp.sql and lab_students.sql, this will create 2 tables for you (emp and students) and will…

A: Note : As per guidelines we can author 1 question per post. Repost the task 2.

Q: SELECT BRAND_NAME, BRAND_TYPE, round(AVERAGE,2) AS 'Average Price', UnitsSold FROM (LGBRAND INNER…

A: Actually, SQL stands for structured query language.

Q: varchar (13) not null, customer id int(25)); You have been tasked to use the SQL script provided…

A: List of entities indentified are:  Branch, Transaction Type, Network, Worker, Worker Branch,…

Q: Suppose you have a table called D with the schema/header (c1 TEXT, c2 TEXT, dist REAL). c1 and c2…

A: The query that will work are given below:

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A: DELETE Syntax DELETE FROM table_name WHERE condition;

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: Write a PL/SQL block to read and display the names of world regions, with a count of the number of…

A: We will retrieve and display the names of world regions in this PL/SQL script, along with a count of…

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.