n What is the primary key of the Bill table?
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A: Given: Explain sIze of the fact taBle?
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A: Auto increment for a column in a table First scenario is movie tickets or bus tickets When you…
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A: Here we have to find data from the Task table , Hence there will be no use relational queries like…
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A: Answer is in below step.
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A: create table jobs (job_id int,job_title varchar(255),min_salary int,max_salary int,Check (max_salary…
Q: How are NULL values included in a new record being added to a table?
A: NULL values included in a new record being added to a table:
Q: Are there any advantages to using several fact taBles?
A: Given: Are there any advantages to using several fact taBles?
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A: Populate the tables with data: A relational database denote entities-at least they should for…
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A: Given: How can splitting a table improve performance?
Q: Assume the following below given tables and answer the questions.
A: I have answered this question in step 2.
Q: 6. Write a SQL statement to create a simple table named teams including columns team_id int,…
A: Given:
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A: Superkey is a set of attributes which can uniquely identify two tuples/rows in a table. Each…
Q: IN SQL A sequence can be used on only one table it is created for. Select one: a. False b. True
A: In sql, A sequence can be used on only one table it is created for. Select one: a. False b. True
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A: Here I have used aggerate function MIN() to find the minimum final marks from the table student As…
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A: An entity relationship model portrays interrelated things of interest in a particular space of…
Q: How would one go about modifying the structure of a table using the SQL language? Which of these…
A: Start: A table structure will include information on the fields' names, as well as their sizes and…
Q: When is an index appropriate for a table?
A: Index: The index is used to access the data from the database speedily. Syntax of creating an index:…
Q: statement can remove the definition of a table. alter table update drop table delete
A: SOLUTION: drop table statement can remove the definition of a table. The DROP table command is…
Q: Every record in a table must contain at least a unique field called primary key.
A: Will be explained:
Q: How can you pick partial table contents?
A: Solution:- We can pick partial table contents by naming the desired fields and by placing…
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A: The SQL INSERT INTO Statement is used to add new rows of data to a table in the database
Q: How about a list of the advantages of database tables? write a quick statement about NULL?
A: What are the benefits of a database table? write a message about NULL?Answer. Tables provide the…
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A: Problem Statement for SQL: The HR manager wants to calculate total salaries and count of only…
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A: In this question we have to write a SQL query for the Task Table to get total duration of all task…
Q: Answer number 10,12
A: SQL stands for Structred Query Language.
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A: insert into NONCAT( Item_id , description,on_hand, category,price ) SELECT Item_id,…
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A: INTRODUCTION: Each neighbor's address and the interface via which it may be accessible are listed…
Q: Q. In sql how to fetch the records of all employees from a Employee table .
A: Select Statement: We use SELECT statement to fetch the data from a table. To fetch the all data use…
Q: How is the order of characteristics in a result table altered?
A: Intro In Database, each and every table have some attribute and they are listed in the table with…
Q: How can you make a fact table with only one process?
A: HI THEREI AM ADDING ANSWER BELOWPLEASE GO THROUGH IT THANK YOU
Q: Using the SQL GROUP BY phrase with a SELECT statement can help detect which of thefollowing…
A: This question is based on SQL language . To know the right option of this question first a user must…
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A: This is very simple. We simply need to use the Left Join functionality to perform this. Note: The…
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A: CREATE TABLE DEPT(DEPTNO NUMBER(2) CONSTRAINT PK_DEPT_DEPTNO PRIMARY KEY,DNAME VARCHAR2(14),LOC…
Q: How many SQL statements are used? Define them.
A: Introduction: This question is about the introduction of sql statement and their uses.
Q: Q.6.3.4 Write a SQL statement to get a list of the tasks in the database, arranged by duration from…
A: According to the Question below the Solution:
Q: In an SQL statement, which of the following parts states the conditions for row selection? SELECT…
A: Actually, SQL stands for Structured Query Language.
Q: 5. Write an SQL statement to display all orders from the tables Catalog2015 and Catalog2016 for…
A: Find the required query given as below :
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A: Please find the answer below :
Q: F= d` + b`.c` Write a
A: F= d` + b`.c`
Q: Write a SQL statement that returns a list of the team members with all their tasks. Include the team…
A: As the primary key of TeamMember table is referenced to the attribute in Task tabel and the…
Q: 2. fill in the data in the table created by you in question 1.
A: As per our company guidelines, we are not supposed to answer more than one question per post and…
Q: What am I doing wrong.
A: In Create table command, we need to give details of all the attributes i.e. name of the column and…
Q: d.) Write a SQL query to delete a table JOBS(Job_ID, Job_Name, Vacancies, Location).
A: Given Table: JOBS(Job_ID, Job_Name, Vacancies, Location) Requirement: Write sql query to Delete the…
Q: 10. The minimal set of super key is called a. Primary key b. Secondary key c. Candidate key d.…
A: Please see the next step for answer.
Q: SQL What are single row functions? List down the categories of single row functions and explain how…
A: SINGLE ROW FUNCTIONS: Single row function works only on one row and produces one output per row.…
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- Explain this code detail by detail like putting comments private void table_update() { int CC; try { // It is for SOMETHING ETC.*** Class.forName("com.mysql.jdbc.Driver"); con1 = DriverManager.getConnection("jdbc:mysql://localhost/linda","root",""); insert = con1.prepareStatement("SELECT * FROM record"); ResultSet Rs = insert.executeQuery(); ResultSetMetaData RSMD = Rs.getMetaData(); CC = RSMD.getColumnCount(); DefaultTableModel DFT = (DefaultTableModel) jTable1.getModel(); DFT.setRowCount(0); while (Rs.next()) { Vector v2 = new Vector(); for (int ii = 1; ii <= CC; ii++) { v2.add(Rs.getString("id")); v2.add(Rs.getString("name")); v2.add(Rs.getString("mobile")); v2.add(Rs.getString("course")); }…A controller action can be used to: Question 24 options: a) Return a view b) Return a simple content c) return a 404 error code d) All the answers are correctThe Stock of the book needs to be updated correspondingly after a customer has made an order, or a customer has cancelled an order. It can be accomplished by using trigger. You are asked to implement a trigger which needs to take following into consideration: a. The trigger needs to be fired after a new row has been inserted into table Orders, or after a row has been deleted from table Orders which indicates an order has been cancelledb. Each order may contain multiple books in ORDERTITEMS table You also need to write SQL statement or/and PL/SQL code to demonstrate that the implemented trigger accomplishes the business logic
- This is a JAVA Programming Language, please use JAVA ECLIPSE as the IDECreate a GUI application for a PAYROLL MANAGEMENT SYSTEM which is connected with database to do the following functions.• Adding new record• Deleting record• Read all the record from the database• Searching record by using StudentID• Searching record by using CourseID• Sort Data by TotalScore• Exit the application.Please upload the codes - screenshots and the output -screenshots with detailed explainations like a report with introductions, conclusions scope, objectives and so on. Don't copy from other sourcesIn a pandas DataFrame, a row represents a(n) _____ and a column represents a(n) _____. Select an answer: observation; feature dimension; index number; record index; stringThe following schema is given (primary keys are bold): ARTWORK (ArtworkCode. Title, Author, BasicAuction Price, FinalSalePrice". NumParticipantingBuyers", FinalBuyerID") OFFER (ArtworkCode, BuyerID, Date, Amount) REQUEST AUCTION ENDING (ArtworkCode. Auction EndingDate, Description) Write the trigger to manage the following activities related to an online auction of artworks. The ARTWORK table contains the list of artworks sold at the auction. The OFFER table contains, for each artwork, a list of the amounts that have been offered by buyers interested in purchasing the artwork. The same buyer can make multiple offers for the same artwork on different dates. A request to end the auction for an artwork is generated (inserting a record into the table REQUEST AUCTION ENDING), If there was no offer for the artwork, the trigger ends with an error. Otherwise, you have to calculate the following information. (1) The final sale price of the artwork, corresponding to the highest amount offered…
- Q3 a part Please provide detailed solution with explanation and justification asap to get a upvote for Each part please for a part10. In the following code, if the user presses Cancel, what happens? <button type="submit" class="btn btn-primary">@ViewBag.Action</button> <a asp-controller="Home" asp-action="Index" class="btn btn-primary">Cancel</a> 1. The user will be redirected to the Home controller Index action 2. The user will be redirected to the Employee controller Index action 3. The user will be redirected to the Home controller Cancel action 4. The user will stay on the same page# Begin constantsCOLUMN_ID = 0COLUMN_NAME = 1COLUMN_HIGHWAY = 2COLUMN_LAT = 3COLUMN_LON = 4COLUMN_YEAR_BUILT = 5COLUMN_LAST_MAJOR_REHAB = 6COLUMN_LAST_MINOR_REHAB = 7COLUMN_NUM_SPANS = 8COLUMN_SPAN_DETAILS = 9COLUMN_DECK_LENGTH = 10COLUMN_LAST_INSPECTED = 11COLUMN_BCI = 12 INDEX_BCI_YEARS = 0INDEX_BCI_SCORES = 1MISSING_BCI = -1.0 EARTH_RADIUS = 6371 # Sample data for docstring examplesdef create_example_bridge_1() -> list:"""Return a bridge in our list-format to use for doctest examples. This bridge is the same as the bridge from row 3 of the dataset.""" return [1, 'Highway 24 Underpass at Highway 403','403', 43.167233, -80.275567, '1965', '2014', '2009', 4,[12.0, 19.0, 21.0, 12.0], 65.0, '04/13/2012',[['2013', '2012', '2011', '2010', '2009', '2008', '2007','2006', '2005', '2004', '2003', '2002', '2001', '2000'],[MISSING_BCI, 72.3, MISSING_BCI, 69.5, MISSING_BCI, 70.0, MISSING_BCI,70.3, MISSING_BCI, 70.5, MISSING_BCI, 70.7, 72.9, MISSING_BCI]]] def create_example_bridge_2() ->…
- Python please starter code: # Web App to Get Stock Market Data from AlphaVantage Serviceimport requests#Function that gets stock info from API# Returns results in list of two strings# DO NOT EDIT THIS FUNCTION EXCEPT TO INSERT YOUR API KEY WHERE INDICATEDdef getStock(symbol):baseURL = "https://www.alphavantage.co/query?function=GLOBAL_QUOTE&datatype=csv"keyPart = "&apikey=" + "REPLACE WITH YOUR API KEY" #Add API keysymbolPart = "&symbol=" + symbolstockResponse = requests.get(baseURL+keyPart+symbolPart)return stockResponse.text #Return only text part of response#Function that computes and displays resultsdef main():# Add code that meets the program specifications (see instructions in Canvas)#Code that starts the appmain()Cooper College maintains a master file of students and credits earned. Each semester the master is updated with a transaction file that contains credits earned during the semester. Each file is sorted in Student ID number order. start Declarations num masterID string masterName num masterCredits num transID num transCredits string bothDone = "N" num HIGH_VALUE = 999999 InputFile master InputFile trans OutputFile newMaster getReady() while bothDone = "N" detailLoop() endwhile allDone()stop getReady() open master "studentFile.dat" open trans "semesterCredits.dat" open newMaster "updatedStudentFile.dat" readMaster() readTrans() checkBoth()return readMaster() input masterID, masterName, masterCredits from master if eof then masterID = HIGH_VALUE endifreturn readTrans() input transID, transCredits from trans if eof then transID = HIGH_VALUE endifreturn checkBoth() if masterID =…Complete main.cpp to invoke the TaskMenu operations: viewPendingTasks(); viewCompletedTasks(); addNewTask(); editTask(); deleteTask();