d. Primary Key e. Foreign Key f. Surrogate Key
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- 10. Sometimes logic for a query can be quite complex. It is possible to produce the desired outcomes through the use of subqueries, inline views, and UNION-type statements. For those methods, the transitional results are not saved in the database but are directly used within the query. This can lead to achievement issues, particularly when the transitional results have a huge number of Explain. a. columns b. rows c. reports d. databasesTrue/False 5. In an AND criterion, the overall criterion is true if either of the individual criteria is true. 6. The concept of grouping means that statistics will be calculated for individual records. 7. In many cases, you will need to create queries to select data from more than one table. To do so, it is necessary to join the tables based on matching fields in corresponding columns. 8. Matrix algebra is a theoretical way of manipulating a database. 9. The union of tables A and B is a table containing all rows that are in either table A or table B or in both table A and table B. 10. The intersection of two tables A and B is the set of all rows that are in table A but that are not in table B.Task 1: The InstantRide Management team founded a new team for car maintenance. The new team is responsible for the small maintenance operations for the cars in the InstantRide system. The main idea is to take actions faster and minimize the time spent for the maintenance. Therefore, the Car Maintenance team wants to store MAINTENACE_TYPE_ID (char(5)) and a MAINTENANCE_TYPE_DESCRIPTION (varchar(30)) in the database. Using MAINTENANCE_TYPE_ID as the PRIMARY KEY, create a new table, MAINTENANCE_TYPES, and send the table description with the column names and types to the Car Maintenance team. Task 2: The Car Maintenance team also wants to store the actual maintenance operations in the database. The team wants to start with a table to store CAR_ID (CHAR(5)), MAINTENANCE_TYPE_ID (CHAR(5)) and MAINTENANCE_DUE (DATE) date for the operation. Create a new table named MAINTENANCES. The PRIMARY_KEY should be the combination of the three fields. The CAR_ID and MAINTENACNE_TYPE_ID should be foreign…
- Task 1: The InstantRide Management team founded a new team for car maintenance. The new team is responsible for the small maintenance operations for the cars in the InstantRide system. The main idea is to take actions faster and minimize the time spent for the maintenance. Therefore, the Car Maintenance team wants to store MAINTENACE_TYPE_ID (char(5)) and a MAINTENANCE_TYPE_DESCRIPTION (varchar(30)) in the database. Using MAINTENANCE_TYPE_ID as the PRIMARY KEY, create a new table, MAINTENANCE_TYPES, and send the table description with the column names and types to the Car Maintenance team.Task 1:The InstantRide Management team founded a new team for car maintenance. The new team is responsible for the small maintenance operations for the cars in the InstantRide system. The main idea is to take actions faster and minimize the time spent for the maintenance. Therefore, the Car Maintenance team wants to store MAINTENACE_TYPE_ID (char(5)) and a MAINTENANCE_TYPE_DESCRIPTION (varchar(30)) in the database. Using MAINTENANCE_TYPE_ID as the PRIMARY KEY, create a new table, MAINTENANCE_TYPES, and send the table description with the column names and types to the Car Maintenance team. THIS IS FOR CENGAGE MYSQLWhat precisely is metadata? An answer to this question may be found in the result set's metadata. Result set information may be beneficial in a variety of situations.
- A DreamHome database has following tables. Branch (branchNo, street, city, postcode) Staff (staffNo, fName, lName, position, sex, DOB, salary, branchNo) PropertyForRent (propertyNo, street, city, postcode, type, rooms, rent, ownerNo, staffNo, branchNo) PrivateOwner (ownerNo, fName, lName, address, telNo) How many rows and columns are there in the relation Branch X Staff, if Branch has 20 tuples and Staff has 15 tuples. ( ) 35 rows and 300 columns ( ) 300 rows and 35 columns ( ) 300 rows and 12 columns ( ) 35 rows and 12 columnsTask 6: The StayWell Property Management team considers creating a discount scheme for the property owners with more than one property in the system. You will need to provide all the owner IDs (OWNER_NUM) and the count of properties of the owners with more than one active property in the database. The output columns should be OWNER_NUM and COUNT(*) respectively.Answer the following prompts 1The InstantRide Management team founded a new team for car maintenance. The new team is responsible for the small maintenance operations for the cars in the InstantRide system. The main idea is to take actions faster and minimize the time spent for the maintenance. Therefore, the Car Maintenance team wants to store MAINTENANCE_TYPE_ID (char(5)) and a MAINTENANCE_TYPE_DESCRIPTION (varchar(30)) in the database. Using MAINTENANCE_TYPE_ID as the PRIMARY KEY, create a new table, MAINTENANCE_TYPES, and send the table description with the column names and types to the Car Maintenance team. 2The Car Maintenance team also wants to store the actual maintenance operations in the database. The team wants to start with a table to store CAR_ID (CHAR(5)), MAINTENANCE_TYPE_ID (CHAR(5)) and MAINTENANCE_DUE (DATE) date for the operation. Create a new table named MAINTENANCES. The PRIMARY_KEY should be the combination of the three fields. The CAR_ID and MAINTENANCE_TYPE_ID…
- Attributes, rows, and tables all refer to the same thing in relational models:using php We run a dog grooming shop, there are new 4 breeds that are being registered to our system. Please add their names, breeds, and ages to the database, also display the new inputs with non-prepared statements Requirement 1: Require the programmer to insert rows Requirement 2: Require the programmer to display the rows after they have been changed Requirement 3: Require use of a non-prepared statementProblem Statement: You are the CTO of a startup based out of Arlington, VA that needs to setup a database to keep track of the details of the customers: last name, first name, customer ID, street address, customer star rating (a rating on a 1– 5 scale, with 5 being best, representing the type of customer) and phone number. It also needs to keep track ofsimilar information for suppliers as well (although instead of supplier first and last name, there will just be a suppliercompany name). The database should maintain the data on products that are offered. Information about whichproduct is offered by which supplier should also be maintained. Finally, which customers have purchased whichproducts should also be tracked (note that we are only interested in which customers bought which product, but notconcerned about the date or how many were bought). 1.1 Business Rules: Assumptions for the business model are as follows:•Only customers that have purchased one or more products will exist in…