Determine the length of data stored in the ISBN field of the BOOKS table. Make sure each different length value is displayed only once (not once for each book). SQL commands

4. Display a list of all book titles and the percentage of markup for each book. The percentageof markup should be displayed as a whole number (that is, multiplied by 100) with nodecimal position, followed by a percent sign (for example, .2793 = 28%). (The percentageof markup should reflect the difference between the retail and cost amounts as a percent ofthe cost.) SQL commands

2. Write a SQL statement to insert a new user with userId ‘XXXXX’ into the users table and populate at least 5 other columns including column userName. Note: userName column is varchar(20) and its value must be unique in the table users. DO NOT insert into the “created” column but pay attention to it’s value after the insert Paste the SQL below.

Database  Q1: Select the correct SQL statement to provide the user Samer with read only permission on Employees table a) Grant read on Employee where username = Samer; b) Grant read only on Employee to Samer; c) Grant select to Samer on Employee; d) Grant select on Employee to Samer; Q2: Based on the TWO schema structures below, which SQL statement will create a view to show department names where each department has at least 5 employees? Employee (E_ID, E_Name, D_ID, E_Salary) Department (D_ID, D_Name, D_Address) (Select one) a) Create View Dept_Emp as select D_Name, count(E_ID) from Employee, Department where Employee D_ID = Department D_ID Group by D_Name Where count (E_ID) >= 5; b) Create View Dept_Emp as select D_Name, count(E_ID) from Employee D_ID = Department D_ID Group by D_Name Having count (E_ID) >= 5; c) Create View Dept_Emp as select D_Name, count(D_ID) from Employee, Department where Employee D_ID = Department D_ID Group by D_Name Having count (E_ID) >= 5; d)…

CREATE TABLE Employee( firstName char(30) , lastName char(30) , hireDate date ,empNo int , empInitial char(30) , years int );   Write the SQL syntax to create an insert statement for the employee table you created above.

Create a function to insert a new product into an existing order, include the product id, unit price, quantity. The output of the function is the message to notify the calling program whether the update succeeded or not. note : Note: Sql code need not java  don't waste my time by giving java code

IN SQL If you omitted the WHERE clause of SELECT statement, the query returns an error because the where clause is required. Select one: True False

Please help with pl/sql block!

Do fast please.

Please help: Using the following sql file, how would you find  List all the rows in which the prescription dates occur on or after November 14. How many doctors provide prescriptions with 30 tablets in total? List doctor’s details where speciality is either Dermatology or Neurology. (Use INoperator). List the results by the first name in ascending order and the last name indescending order Find all patients rows whose first names include ‘George’ (Assume case sensitivity). List number of patients that do not have a phone number.     Beginfor c in (select table_name from user_tables) loopexecute immediate ('drop table '||c.table_name||' cascade constraints');end loop;End; //* Assignment_1 */ ALTER SESSION SET NLS_DATE_FORMAT = 'MM/DD/YYYY';CREATE TABLE DOCTOR (DOC_ID varchar2(5) PRIMARY KEY,DOC_LNAME varchar2(15),DOC_FNAME varchar2(15),DOC_INITIAL varchar2(1),DOC_SPECIALTY varchar2(15));INSERT INTO DOCTOR…