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- When the Search button is pressed in the screen depicted, the getSales() function from the PosDAO.java class is called, the parameters of this function are the from date and to date.The getSales () function should return a list of Pos objects that matches the criteria specified, Note this function has to perform two INNER JOINs in to combine all three tables in order to get all the needed data to fill the Pos object. The database schema is also depicted. The PosDAO, Product, SalesDetails and Pos classes are shown BELOW Write the getSales() function public class PosDAO { private Connection conn; PreparedStatement stmt = null; public boolean openConnection(){ try { // db parameters String url = "jdbc:mysql://localhost:4306/swen2005"; String user = "root"; String password = ""; // create a connection to the database conn = DriverManager.getConnection(url, user, password); if (conn!= null){ return true;…Using Sakila DB, create a function to get all the film titles for a given Actor. Example: getFilmTitle('firstname','lastname') Will return all the movies acted by the Actor. Put the screenshot of the implementation if you can.Which of the following statements about scoped enumerations is false? Group of answer choices By convention, you should capitalize the first letter of an enum class’s name. A scoped enumeration is introduced by the keywords enum class, followed by a type name and a set of identifiers representing integer constants. The identifiers in an enum class must be unique, but separate enumeration constants can have the same integer value. To reference a scoped enum constant, you must qualify the constant with the scoped enum’s type name and the scope-resolution operator (:), as in MaritalStatus:SINGLE.
- Which of the following statement(s) is(are) correct? Group of answer choices Both a. and b. Neither a. nor b. a. The default cut-off value in two-class classifiers is 0.5. b. The cut-off value can be adjusted to accept more records in high value class and to accept more misclassification errors where the misclassification error is low.Which statement(s) are false about Map?* It cannot contain duplicate keys and each key can map to at most one value. It is an object that maps keys to values, or is a collection of attribute-value pairs. It can map a key to a function. A Map is an object that maps functions to values, or is a collection of attribute-value pairs.using c++ In this assignment you are going to implement your own version of university library system,Thesystem will have two different sides , the first one is to help the librarian to do his job and the other side for admin to manage every one permissions in the system , so You should provide the following features in your system: Admin view o Add/remove Studentso Add/remove librarian o Add/remove other admins Librarian viewo Add/Delete bookso Issue/Return bookso View bookso View Issued bookso Log in /log outo Search for the book(id/name) Simple backend for your system , You could use a file each row should represent itemo Books File should be something like:Id , Book Name, Author Name, Available quantity, Issued Quantity1,Oliver Twist, Charles Dickens,98,2In the previous the first row was the name of each column , you can do that or handle it in your code , id =1 , Book Name =Oliver Twist ..Etc. Tables neededo Books Id Book Name Author Name Available quantity Issued…
- Create a function in JAVASCRIPT which creates a table with Name and Age from the answers to the user prompts. The rows should be added automatically in case there is more answers.Assignment 1 University Library SystemIn this assignment you are going to implement your own version of university library system,The system will have two different sides , the first one is to help the librarian to do his job and the other side for admin to manage every one permissions in the system , so You should provide the following features in your system: Admin viewo Add/remove Studentso Add/remove librariano Add/remove other admins Librarian viewo Add/Delete bookso Issue/Return bookso View bookso View Issued bookso Log in /log outo Search for the book(id/name) Simple backend for your system , You could use a file each row should represent item o Books File should be something like:Id , Book Name, Author Name, Available quantity, Issued Quantity 1,Oliver Twist, Charles Dickens,98,2In the previous the first row was the name of each column , you can do that orhandle it in your code , id =1 , Book Name =Oliver Twist ..Etc. Tables neededo Books Id Book Name Author Name…BASE SAS PROGRAMMING Question 1:- Which one of the following SAS DATA steps saves the temporary data set named HADOOPDATA as a permanent data set? a) libname sasdata `SAS-data-library`; data sasdata.hadoopdata; copy hadoopdata; run; b) libname sasdata `SAS-data-library`; data sasdata.hadoopdata; keep hadoopdata; run; c) libname sasdata `SAS-data-library`; data sasdata.hadoopdata; save hadoopdata; run; d) libname sasdata `SAS-data-library`;data sasdata.hadoopdata; set hadoopdata; run; Question 2:- The data set orion.sales contains nine variables. Given this DATA step, how many variables does the descriptor portion of work.comp contain? data work.comp; set orion.sales; drop Gender Salary Birth_Date; run; a) Four b) Six c) Eight d) Nine Question 3:- Which one of the following…
- _________are the access specifiers in order of most restrictive to leastGiven the business rule "An employee may have many degrees." Suppose that an employee has the following degrees. BA, BS, MBA, etc. These degrees could be stored in a single string as a multivalued attribute name EMP_DEGREE in an EMPLOYEE table such as the one shown below: EMP_NUM EMP_LNAME EMP_DEGREE 123 Carter BA, BS, MBA 124 Smith BBA, MBA 125 Jones AS 126 Doe BS, MS, PhD. This design is flawed, so correct it by creating additional table(s) and attributes(s) and show the relationships between them. Show all the data above in your table(s). Add additional data if new attributes were added. Show primary and foreign keys in your table(s).Write a PHP application that creates a class that allows connection to a specific MySQL database, allowing the specification (by setting some properties) of the location server, user, password, and database name. Give a example of instantiating it (creating an object) and using it in an application with a MySQL table
