Questions: How would you calculate the average time from start to offer extend?
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uppose CompanyLocations has company IDs that don’t appear in CompanyHeadcount. How would you create a single dataset with company ID, location, and headcount, but headcount is set to 0 for companies absent from CompanyHeadcount table?
Suppose we have a table which stores Offers data with the following columns: Offer_ID, Candidate_ID, Recruiter_ID, Application_Create_Date, Offer_Extend_Date.
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How would you calculate the average time from start to offer extend?
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- Q51: Which of the following tables will be the better candidate for Incremental Backup? • Customers • Products • Sales • Employees Q52: When normalizing tables and we say that attribute a determines attribute b we mean that : • When we type in a value for a, we can get multiple values for b • When we type in a value for a, we do not get any values for b • When we type in a value for a, we get one and only one value for b • Attribute a is the parent attribute and attribute b is the child attributein the question it said that "Assume that the Reward and Department tables have already been created " so i don't need to create the tables + there is a link from rewards and department to the Employee as in the picture for a reference, my answer is : CREATE TABLE Employee ( EMP_ID CHAR(3) NOT NULL,FNAME VARCHAR(15) NOT NULL,LNAME VARCHAR(15) NOT NULL,SALARY DECIMAL(10,2),JOIN_DATE DATEDEP_NO CHAR(2) NOT NULLPRIMARY KEY(EMP_ID),FOREIGN KEY(EMP_ID) REFRENCE Rewrad,FOREIGN KEY(DEP_NO) REFRENCE Department );is it wrong ?You have the following tables: APARTMENTS (ADDRESS, CITY, STATE, RENTER_ID, RENTER_LAST_NAME) RENTERS (RENTER_ID, FIRST_NAME, LAST_NAME) What is the primary key for the APARTMENTS table? (It may be a composite key involving 2 or more fields) What are the foreign keys, if any? What is the primary key for the RENTERS table? What are the foreign keys, if any? What field in RENTERS can be eliminated so that the RENTERS table is normalized?
- Create LessonSchedule table with FK constraints in mysql database Two tables are created: Horse with columns: ID - integer, primary key RegisteredName - variable-length string Student with columns: ID - integer, primary key FirstName - variable-length string LastName - variable-length string Create the LessonSchedule table with columns: HorseID - integer with range 0 to 65 thousand, not NULL, partial primary key, foreign key references Horse(ID) StudentID - integer with range 0 to 65 thousand, foreign key references Student(ID) LessonDateTime - date/time, not NULL, partial primary key If a row is deleted from Horse, the rows with the same horse ID should be deleted from LessonSchedule automatically. If a row is deleted from Student, the same student IDs should be set to NULL in LessonSchedule automatically.The option for referential integrity between the Owner table and the Pet table is cascade and an attempt is made to update the row for Owner 005 in the Owner table (OwnerNum = 005) to have a new OwnerNum of 500. What is the result? (Use only the data in the question. Do not assume other data exists if it is not present in the tables below.) The primary keys are underlined. These are the OwnerNum column in the Owner table and the PetNumber in the Pet table. The foreign key is italicized. This is the OwnerNum column in the Pet table. Owner Table OwnerNum LastName FirstName Address City State Zip 005 Smith Jim 100 Main Dune FL 37465 009 Jones Jane 3245 West Sanford FL 32773 012 Johnson Frank 2 Century Easton FL 37256 020 Doe Sally 101 Basel Orange FL 30998 Pet Table PetNumber PetName DOB Species OwnerNum 100 Fido 1/1/2005 Canine 009 200 Ajax 12/3/2003 Canine 020 300 Sunshine 6./12/2004…Suppose you want to list information on all the classes that Pitt Fitness offers, including the day of the week, time, location, and length of class. To do this, you could create a query. What table(s) should you add to the query? If you use only the Classes table instead of all the tables together, does it make a difference to the output? What if someone had never reserved a specific class?
- Q4: Table ‘Student’ has 15 rows and table ‘Teacher’ has 20 rows. How many rows will be produced by Cross join of these two tables (Student X Teacher)?You have a query that filters a BigQuery table using a WHERE clause on timestamp and ID columns. By using bq query -- -dry_run you learn that the query triggers a full scan of the table, even though the filter on timestamp and ID select a tiny fraction of the overall data a. Create a separate table for each ID. B Use the LIMIT keyword to reduce the number of rows returned. C Recreate the table with a partitioning column and clustering column. D Use the bq query - -maximum_bytes_billed flag to restrict the number of bytes billed.Implement the following ER model and sample data using Oracle SQL Developer and your CDM Oracle database account. You will submit a SQL script file and its entire outputs. The table name should be CUSTOMERS (plural). Each CustomerID should be a 3-digit number. Names should be strings of up to thirty characters. The sample data should be: 101, John Doe 102, [Rachel Araya] Order The table name should be ORDERS (plural). Each OrderID should be a 4-digit number. Product names should be strings of up to thirty characters. The sample data should be: 1001, 01-JAN-22, Apple, 101 1002, [a date of your choice], [a product of your choice], 102 PLEASE FOLLOW BELOW The SQL script to (i) drop the two tables, (ii) create the two tables, (iii) insert the sample data, and (iv) show the full contents of the two tables. The header of your script should be something like:/*Your NameIS451 HW5*/ Make sure to start your script file with DROP TABLE commands for the two tables in order to avoid…
- Write a query against OrderDetails Table, that returns the running quantity for each order using subqueries don't copy the solution bartley as its wrong Note: Use Database and tables created in given code . In Tsql CREATE TABLE Categories ( CategoryID int NOT NULL, CategoryName varchar(255), PRIMARY KEY (CategoryID)); CREATE TABLE Products ( ProductID int NOT NULL, ProductName varchar(255), MobileNumber varchar(255), ProductImage image, UnitCost int , Description varchar(255), CategoryId int,PRIMARY KEY (ProductID),FOREIGN KEY (CategoryId) REFERENCES Categories(CategoryId) ); CREATE TABLE Review( ReviewID int NOT NULL, ProductID int NOT NULL, CustomerName varchar(255), CustomerEmail varchar(255), Rating int, Comments varchar(255), PRIMARY KEY (ReviewID),FOREIGN KEY (ProductID) REFERENCES Products(ProductID) ); CREATE TABLE ShoppingCart( RecordID int NOT NULL, CartID int NOT NULL, ProductID int NOT NULL, quantity int, DataCreated varchar(255),…IN MYSQL 1. Write a query to create the “Student” table (SID, Sname, SAge, SDept, SCity), where the Student ID and Student Name cannot be NULL.2. Write a query to alter the above “Student” table, where a new column of Date of Birth (DOB) must be added, and it should not have any NULL values.3. Write a query to alter the “Student” table, where a CHECK constraint must be added to the “SCity” column and it must be “Vellore”.I am new to databases. Using MySQL I am not certain how to make views relevant to the tables in my database. Can I get help explaining how to several views relative to the tables? Here are the tables I set up in MySQL. Employers: CREATE TABLE Employers ( employer_id INT NOT NULL PRIMARY KEY, company_name VARCHAR(50) NOT NULL, company_street VARCHAR(55) NOT NULL, company_city VARCHAR(55) NOT NULL, company_state VRCHAR(2) NOT NULL, company_zip VARCHAR(10) NOT NULL, company_contact VARCHAR(55) ); Customers: CREATE TABLE Customers ( customer_id INT NOT NULL PRIMARY KEY, customer_name VARCHAR(55) NOT NULL, customer_phone VARCHAR(15) NOT NULL, customer_email VARCHAR(40) NOT NULL, customer_education VARCHAR(55) NOT NULL, customer_experience VARCHAR(55) NOT NULL ); Reference: CREATE TABLE Referral ( customer_id INT NOT NULL PRIMARY KEY, referral_first_name VARCHAR(25) NOT NULL, referral_last_name VARCHAR(25) NOT NULL, referral_location VARCHAR(44) NOT NULL, referral_phone VARCHAR(15),…