Explain what the following SQL statements do. SELECT COUNT(PatientiD) FROM Patient_t AS PA INNER JOIN Physician_t AS P ON PAAdmitPhysld - P.PhysiD WHERE PhysLName=Jackson
Q: This is a database system question regarding SELECT: Which of the following statements is true for…
A: The above question is solved in step 2:-
Q: Write a PL/SQL program using an explicit cursor that displays all patients PLCO_ID numbers from…
A: Here we write PL/SQL program using explicit cursor :…
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: Task3: Write SQL Queries • At least 2 queries involving GROUP BY, HAVING, and aggregate operators. •…
A: Please check the solution below
Q: Explain what the following SQL statements do. SELECT MAX(NewColumn) FROM (SELECT Patientid, COUNT(*)…
A: Group by is used to apply grouping of row value and applying aggregate function on it.
Q: Implement the following ER model and sample data using Oracle SQL Developer and your CDM Oracle…
A: Below is the implementaiton of given ER model with CREATE statemetns: CREATE TABLE…
Q: Write the SQL statements using the university schema to perform the followingoperations: Delete all…
A: To delete various records which correspond to any section of any course having the word 'advanced'…
Q: There's a "friend_requests" table that has a column "action_taken" that displays if the friend…
A: SELECT Count(action_id) FROM friend_requests where action_taken = "Accepted"; This query will return…
Q: Write a SQL statement to get the list of all the law firms from the database in alphabetical order…
A: as per Bartleby guidelines we are supposed to answer?️ only one question. Kindly repost other…
Q: . Write an SQL query to fetch all the EmpIds which are present in either of the tables –…
A: Q 1. Write an SQL query to fetch all the EmpIds which are present in either of the tables –…
Q: Draw the ERD, _that is implemented by the following SQL code: CREATE TABLE PROJ_USER USER_ID NUMBER…
A: ER diagram: The ER diagram for the given SQL code:
Q: Write an appropriate SQL query to determine it there are any students that are not registered tor…
A: ANSWER IN STEP 2:
Q: What will be the result if you will add 3 days to 17-APR-202 or using the SQL statement: SELECT…
A: SYSDATE : returns the current date and time from the operating system where the database resides, it…
Q: This actually didnt work to resolve my problem... Heres what I have so far. CREATE TABLE Horse (…
A: Please refer to the following step for the complete solution of the problem above.
Q: 3) Write a valid SQL statement that calculates the total weight of all ears of corn that were picked…
A: The Answer is
Q: Write SQL queries for the following statements. 1) Write a stored procedure which takes an integer…
A: Create proc using create command Create a variable as input parameter Declare incrementation…
Q: Write SQL statements and relation algebra for following: Student( Enrno, name, courseId, emailId,…
A: The SELECT statement is a DML(data manipulation language ) command used to retrieve desired columns…
Q: Write an SQL statement to change the value of Std. Poodle in BreedName of PET_3 to Poodle, Std
A: Given: Write an SQL statement to change the value of Std. Poodle in BreedName of PET_3 to Poodle,…
Q: ite a PL/SQL program with an IMPLICIT cursor that goes through the table KUCERA and measures the…
A: Please use below to meet the above req
Q: First of all whole question is given I just need out of given queries ASAP!! Write the SQL…
A: create table User (User_id integer PRIMARY KEY, Name varchar(100), City varchar(100), Order_date…
Q: The following SQL query deletes all drivers in an accident that were not injured (Note that a value…
A: The correct answer is False
Q: Consider a table student, s_id name age address 101 Adam 15 Chennai 102 Alex…
A: Note: we are only allowed to solve one question in one post. I am solving the first on here. To get…
Q: | 7. which one(s) of the following SQL statements keep(s) the relation definition intact once…
A: As per our guidelines we are supposed to answer only one question. Kindly repost the remaining…
Q: Q9. Write an SQL statement to answer the question: 'Are there any bookings not driven by qualified…
A: Hey there, I am writing the required solution for the above stated question.
Q: There's a "friend_requests" table that has a column "action_taken" that displays if the friend…
A: Given Data : Table name : friend_requests Table attributes : action_id requester_id requestee_id…
Q: Write an SQL query to report all the classes that have at least five students. Return the result…
A: To create a table named Enrollment, run following code: CREATE TABLE Enrollment ( student…
Q: Consider the following SQL query. SELECT S. Student_Name, sum (P.Marks) FROM Student S, Performance…
A: This question comes from Database Management System which is a paper of Computer Engineering. Let's…
Q: Draw the ERD TI e ithat is implemented by the following SQL code: CREATE TABLE PROJ_USER USER ID…
A: ER diagram: The ER diagram for the given SQL code:
Q: Examine the STUDENTS table and the given SQL statement: EID Name Dept Salary 1001 Aminah…
A: According to given condition, _a% In the STUDENTS table Zainab contains a at second position. And…
Q: Retrieve customer FULL_NAME which full name (starts with uppercase letter N and end with lowercase…
A: To Retrieve customer FULL_NAME which full name (starts with uppercase letter N and end with…
Q: Write SQLSQL statements for following: Student( Enrno, name, courseId, emailId, cellno)…
A: We need to create tables for Student and Course And we need to insert values into these tables.…
Q: Consider the following Emptable, eid Name age salary 401 Anu 22 9000 402 Shane 29 8000…
A: GIVEN TABLE : Consider the following Emptable, eid Name age salary 401 Anu 22…
Q: Develop a simplified SQL query Display schedule_id, source, destination and travel_time which has…
A: Required: Write SQL query to display schedule_id, source, destination, and travel_time which has…
Q: Student( Enrno, name, courseId, emailId, cellno) Course(courseId, course_nm, duration) i) Add a…
A: Q: As per bartleby policy, we can only answer 3 subparts per question. Please post rest of sub parts…
Q: Consider the SQL queryselect p.a1from p, r1, r2where p.a1 = r1.a1 or p.a1 = r2.a1Under what…
A: Consider the SQL queryselect p.a1from p, r1, r2where p.a1 = r1.a1 or p.a1 = r2.a1Under what…
Q: the question is : the SQL command to list the number of product sales (number of rows) and total…
A: Total sales by month: WITH CTE AS ( SELECT TM_MONTH , SALE_UNITS , ROW_NUMBER() OVER(ORDER BY…
Q: What is the output of the following SQL statement? SELECT name, hcity, pcity, population FROM…
A: FULL JOIN: The function of FULL JOIN is to return the entire tuples of right table and the left…
Q: This is an SQL question, which is correct: Which of the following statements about JOINs are true?…
A: We are given 5 statements of SQL, we are going to see which of the given statement is right and why…
Q: Is this statement true or false: Oracle SQL allows full expression-based use of both provided…
A: Step 1:- Given:- Is this statement true or false: Oracle SQL allows full expression-based use of…
Q: Find a SQL query that computes a set difference and returns false positive(s) over a database with…
A: Assumption : Tables : Table1 with field A,B,C,D Table2 with field A,B,C,D
Q: Write an SQL query to print details of Workers with DEPARTMENT name as “Admin”. ii. Write an SQL…
A: select* from Worker where DEPARTMENT = 'Admin';
Q: In the SQL Oracle Application Write one query to return the employee_id, job_id, hire_date, and…
A: COMMANDS USED: Select command is used for the purpose of selecting the data from the database. The…
Q: For the following Relational Algebra / SQL statements, specify the output of each query. (do not…
A: (c) ssno Fname Lname Character 3 Clint Eastwood Bill MunnyChief Red Garnett 4 Turkan…
Q: Give the query graph of the following query, expressed in SQL; SELECT T_NAME, S_NAME FROM…
A: Explanation: In the given query, there are three tables are used. They are TEACHER,COURSE and…
Q: By using this table answer this question: Write ONE SQL statement which uses the SUBSTR function…
A: SELECT SUBSTR('Where am I?',-2,1) || SUBSTR('Where am I?',7,2) || SUBSTR('Where am I?',2,4) as…
Q: Write an equivalent SQL query using natural join for the following expression of relational algebra…
A: The Answer is in Below Steps
Q: True or False? To select all columns from a table named STUDENTS, we can use the SQL statement…
A: SELECT statement in SQL helps in retrieving the records from the database table, where the clauses…
Q: Write an SQL statement, using the inner join construct, that will, for the lecturer John Smith, list…
A: SQL queries approach: 1- For the first question needs to fetch records by inner join and…
Q: Using an implicit cursor, write an anonymous block that will display all employees who've been hired…
A: Answer: Since no data or table is provided so I will be unable to provide you the output. Also I…
Q: Write down a sql query to find out "Firstname" (s) those have "s" letter in it and have monthly…
A: like operator is used to find pattern within string in SQL. Not more than 50000 is equivalent to…
Step by step
Solved in 2 steps
- Which of the following SQL statements is invalid and returns an error message? ALTER TABLE books ADD CONSTRAINT books_pubid_uk UNIQUE (pubid); ALTER TABLE books ADD CONSTRAINT books_pubid_pk PRIMARY KEY (pubid); ALTER TABLE books ADD CONSTRAINT books_pubid_nn NOT NULL (pubid); ALTER TABLE books ADD CONSTRAINT books_pubid_fk FOREIGN KEY (pubid) REFERENCES publisher (pubid); All of the above statements are invalid.This actually didnt work to resolve my problem... Heres what I have so far. CREATE TABLE Horse ( ID SMALLINT UNSIGNED AUTO_INCREMENT, RegisteredName VARCHAR(15), PRIMARY KEY (ID)); CREATE TABLE Student ( ID SMALLINT UNSIGNED AUTO_INCREMENT, FirstName VARCHAR(20), LastName VARCHAR(30), PRIMARY KEY (ID)); -- Your SQL statements go hereThe following two SQL statements will produce the same results. SELECT P_DESCRIPT, P_PRICE FROM PRODUCT WHERE P_CODE IN (SELECT P_CODE FROM LINE GROUP BY P_CODE HAVING COUNT(*) >=1); SELECT P_DESCRIPT, P_PRICE FROM PRODUCT WHERE EXISTS (SELECT P_CODE FROM LINE WHERE LINE.P_CODE=PRODUCT.P_CODE); Group of answer choices A) True B) False
- Express the following query in SQL using no subqueries and no set operations.select IDfrom studentexceptselect s_idfrom advisorwhere i_ID is not nullAnswer the given question with a proper explanation and step-by-step solution. sid name value working hours timestamp 14 temperatureΑΒΒ 47 20 11/10/22015 12:00:00 16 humidityBosch 51 200 11/11/22015 12:00:00 19 temperatureΑΒΒ 41 NULL 11/11/22015 12:00:00 20 temperatureΑΒΒ NULL 30 11/12/22015 12:00:00 Write sql statement that calculates the average temperature for the temperature sensor and it will be showed Write sql statement that will show all the fields of of the table in order not to have duplex values THE NULLS VALUES MUST BE EXCLUDED . PLEASE WRITE THE ANSWER IN PAPERGiven the following SQL statement, which statement is most accurate?SELECT customer# FROM customersJOIN orders USING(customer#)WHERE shipdate-orderdate IN(SELECT MAX(shipdate-orderdate) FROM ordersWHERE shipdate IS NULL);a. The SELECT statement fails and returns an Oracle error message.b. The outer query displays no rows in its results because the subquery passes a NULLvalue to the outer query.c. The customer number is displayed for customers whose orders haven’t yet shipped.d. The customer numbers of all customers who haven’t placed an order are displayed
- //trying to make recursive SQL statement to get the days of the week , can you tell me what does not work in this query: WITH cte_number (counter, weekday) AS(SELECT 0, Datename(DW,0) UNION ALLSELECTcounter+1, Datename(DW, counter+1)FROM cte_numberwhere counter<6) select weekday from cte_number; //thanks for you assistancethe question is : the SQL command to list the number of product sales (number of rows) and total sales by month, with subtotals by month and a grand total for all sales? i try to use SELECT TM_ MONTH , COUNT (*) AS NUMPROD , SUM ( SALE_UNITS * SALE_PRICE ) AS TOTSALESFROM DWDAYSALESFACT S JOIN DWTIME T ON S.TM_ID = T.TM_ID but ites incorrect ORA-00907: ¿¿¿¿¿00907. 00000 - "missing right parenthesis"*Cause: *Action: can the one answer me try the code it self and sure ites workable ? CREATE TABLE DWVENDOR ( V_CODE INTEGER PRIMARY KEY, V_NAME VARCHAR(35),V_AREACODE CHAR(3), V_STATE CHAR(2)); CREATE TABLE DWPRODUCT (P_CODE VARCHAR2(10) PRIMARY KEY,P_DESCRIPT VARCHAR2(35),P_CATEGORY VARCHAR(5),V_CODE NUMBER REFERENCES DWVENDOR); CREATE TABLE DWREGION ( REG_ID INTEGER PRIMARY KEY,REG_NAME VARCHAR(10)); CREATE TABLE DWCUSTOMER (CUS_CODE NUMBER PRIMARY KEY,CUS_LNAME VARCHAR(15),CUS_FNAME VARCHAR(15),CUS_INITIAL…Given the following SQL query: Student (sid, name, age, address) Book (bid, title, author) Checkout (sid, bid, date) SELECT S.name FROM Student S, Book B, Checkout C WHERE S.sid = C.sid AND B.bid = C.bid AND B.author = ’Olden Fames’ AND S.age > 12 AND S.age < 20 Write relational algebra query for the above SQL query. Using a drawing tool such as Visio or others (ex: https://www.draw.io/ is a free one) to draw initial relational algebra query trees for the query generated in question 1. Transform the initial query trees created above into a more efficient form (use the heuristic rules and show your steps (.
- in sql developer , irun a commend like this SELECT TM_ MONTH , COUNT (*) AS NUMPROD , SUM ( SALE_UNITS * SALE_PRICE ) AS TOTSALES FROM DWDAYSALESFACT S JOIN DWTIME T ON S.TM_ID = T.TM_ID GROUP BY ROLLUP ( T.TM_ MONTH_) ORDER BY T.TM_ MONTH its makeing erroe like 00907. 00000 - "missing right parenthesis"*Cause: *Action: can anyone fix this ,tell me whats the wrong of itWhat is the intepretation of the following SQL query in natural language (plain English)? SELECT F_Name ||’ ‘|| L_Name as “Employee Name”, Salary FROM Employee WHERE Salary> 20,000 AND Gender=’M’ GROUP BY Dep_No ORDER BY L_Name;For the table definition below, write a SQL UPDATE statement that changes all annual salaries to monthly salaries. CREATE TABLE Worker ( WORKER_ID INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, FIRST_NAME TEXT, LAST_NAME TEXT, SALARY DOUBLE, JOINING_DATE DATETIME, DEPARTMENT CHAR(25));
