Delete an employee having ID = 203 (e.g.) Commit changes if that employee’s manager id = 105 Otherwise rollback all the changes. Use Employees
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Delete an employee having ID = 203 (e.g.)
Commit changes if that employee’s manager id = 105
Otherwise rollback all the changes. Use Employees table.
Step by step
Solved in 2 steps
- The Driver Relationship team wants to ensure that the all driving license IDs in the active drivers table have the length of 7. Alter the ACTIVE_DRIVERS table created in Chapter 8, Activity 1 to check the length of the DRIVER_DRIVING_LICENSE_ID.Changing the. EmployeeID = 1 to 10 in the table Employee. If it is rejected, explain EMPLOYEE( EmployeeID, EmployeeName, SupervisorID, DepartmentID) PROJECT (ProjectID, EmployeeID) DEPARTMENT( Department ID, DepartmentName) CREATE TABLE EMPLOYEE ( EmployeeID INT PRIMARY KEY, EmployeeName VARCHAR(50) NOT NULL, SupervisorID INT DEFAULT 9, DepartmentID INT. DEFAULT 6, FOREIGN KEY (SupervisorID) REFERENCES EMPLOYEE (EmployeeID) ON DELETE SET DEFAULT , FOREIGN KEY (DepartmentID) REFERENCES DEPARTMENT(DepartmentID) ON UPDATE SET NULL ); CREATE TABLE PROJECT ( ProjectID INT PRIMARY KEY, EmployeeID INT DEFAULT 9, FOREIGN KEY (EmployeeID) REFERENCES EMPLOYEE (EmployeeID) ON DELETE SET NULL ON UPDATE CASCADE ); CREATE TABLE DEPARTMENT( DepartmentID INT PRIMARY KEY, DepartmentName VARCHAR(50) EMPLOYEE EmployeeID EmployeeName SupervisorID DepartmentID 6 A 7 6 7 B 8 6…similary i applied for employee table but am getting error if i use like this: select employee where projecttype in ('good','average');
- The Driver Relationship team realized that there is no need for DRIVER_DRIVING_LICENSE_CHECKED field in the active drivers table. Since all the drivers are already active in InstantRide, their driving licenses should be checked regularly. The team wanted you to remove the field from the table.How many rows would be returned from a cross join of tables A and B, if A contains 8 rows and B contains 18? 8 18 26 144Additionaly to this, do we first have to perform the join and then selection,or selections before join? Since we have Level 2 B+ index on the attribute Vehicle.year and Hash index on the attribute Rental.date
- There's a "friend_requests" table that has a column "action_taken" that displays if the friend request was rejected, requested, or accepted.Implement a SQL query to return the percentage of "action_taken" that were "accepted".SQL code for Create a list of pair of fielders such that one has taken exactly three times the number of catches compared to the other. Also include the number of catches that they have taken. (Hint: Self-join)?There's a "friend_requests" table that has a column "action_taken" that displays if the friend request was rejected, requested, or accepted.Implement a SQL query to return the number of "action_taken" that were "accepted".
- Create a view of the Join of Deposit and Withdraw transactions to Bank Branch UNION with the join of Bill Payment and Debit Purchase, or Return transactions to Merchant (i.e., all transactions with appropriate reference name.). BranchNbr stores RefNbr of either 'D', OR 'W' transactions, and MerchantNbr stores RefNbr of either 'B', 'P' or 'R' transactions. Provide an alphabetic list by last name of all Clients showing their full name (e.g., Bob Barlow), with the number of Accounts they hold and the total balance of those Accounts Provide a count and total amount of Transactions for each Type Description PLEASE DONT NOT COPY THE EXISTING SOLUTION ON BARTLEBY IT IS WRONG AND DOES NOT WORK AND IS INCOMPLETE. GIVEN THE BELOW: --THIS CREATES THE BANK BRANCH TABLE: CREATE TABLE BankBranch ( BranchNbr INT PRIMARY KEY, BranchName VARCHAR(250)); --THIS CREATES THE MERCHANT TABLE: CREATE TABLE Merchant ( MerchantNbr INT PRIMARY KEY, MerchantName VARCHAR(250)); --THIS…Create a view of the Join of Deposit and Withdraw transactions to Bank Branch UNION with the join of Bill Payment and Debit Purchase, or Return transactions to Merchant (i.e., all transactions with appropriate reference name.). BranchNbr stores RefNbr of either 'D', OR 'W' transactions, and MerchantNbr stores RefNbr of either 'B', 'P' or 'R' transactions. Provide an alphabetic list by last name of all Clients showing their full name (e.g., Bob Barlow), with the number of Accounts they hold and the total balance of those Accounts Provide a count and total amount of Transactions for each Type Description PLEASE DONT NOT COPY THE EXISTING SOLUTION ON BARTLEBY IT IS DOES NOT WORK AND IS INCOMPLETE. GIVEN THE BELOW: --THIS CREATES THE BANK BRANCH TABLE: CREATE TABLE BankBranch ( BranchNbr INT PRIMARY KEY, BranchName VARCHAR(250)); --THIS CREATES THE MERCHANT TABLE: CREATE TABLE Merchant ( MerchantNbr INT PRIMARY KEY, MerchantName VARCHAR(250)); --THIS CREATES THE…How many inner joins are possible in the attached scenario? write a query for inner join, left join, and right join?
