A WriteOnly attribute may be implemented automatically. True vs. False
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A WriteOnly attribute may be implemented automatically.
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- A computer store uses a database to track inventory. The database has a table named Inventory , with the following columns: ProductID INTEGER PRIMARY KEY NOT NULL ProductName TEXT QtyOnHand INTEGER Cost REAL Also assume that the cur variable references a Cursor object for the database. Write Python code that uses the Cursor object to execute an SQL statement that does the following: For every row in the Inventory table in which Cost is equal to 1599.99, set the QtyOnHand column to 22.A sentinel value must be a value that cannot be confused with a legitimate data value. true or falseA computer store uses a database to track inventory. The database has a table named Inventory , with the following columns: ProductID INTEGER PRIMARY KEY NOT NULL ProductName TEXT QtyOnHand INTEGER Cost REAL Also assume that the cur variable references a Cursor object for the database. Write Python code that uses the Cursor object to execute an SQL statement that deletes the row in the Inventory table in which ProductID is equal to 12.
- Point of sales systemcreate a POS in java that will have the basic operation of a point of sales System.your system should provide the following:1. a login frame to allow the employee to login2. cash register sales3. items scanning when a client bring the product4. real time stock level5. stock infosl (product codes ,and informartion such as price and quantity)6. sales reportall the product must be stored in a SQL database using necessary security.Note:1. Use GUI to make the application2. Do not use any builder to drag and drop componentWhat are dangling references? How are they created, and why are they a problem?{ String str = tf5.getInt("ID"); Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); Connection con = DriverManager.getConnection("jdbc:sqlserver://NOMBUSO1806:1433;databaseName= Employee ATM", "NOMBUSO1806", "mysql1234"); // write your database username and password PreparedStatement st = con.prepareStatement("select * from Employees where ID=?"); // Search with ATM ID st.setString(1, str); ResultSet rs = st.executeQuery(); // Excuting Query if (rs.next()) { String s = rs.getString(1); String s1 = rs.getString(2); String s2 = rs.getString(3); // Sets Records in TextFields. tf1.setText(s); tf2.setText(s1); tf3.setText(s2); my getInt() is throwing an error that the method is not found. what should i do?
- Write an Add method that adds the contents of the decPrice variable to the lstPrices control.True or False : ___ Multiple Inheritance happens when a class has more than one sub-class. This problem can be observed in Programming Languages as well. ___ Given two relations named A and B, if we q-JOIN A and B, the maximum number of attributes in the result relation could be (the number of attributes of A) times(*) the number of attributes of B). ____ * in an SQL SELECT statement means “all the tuples”. ____ In relational algebra, Cartesian Product (X) can be implemented using the q-JOIN operator. Cartesian Product ISA q-JOIN where q-condition always evaluates to true. ____ SQL is based on Predicate Calculus. A query in SQL always specifies what should be included in the query result.Please Help Correct This Error // Create Horse tablepublic static void createTable(Connection conn) {// SQL Statement For Creating TableString sql = "CREATE TABLE HORSE ("+ " ID INTEGER PRIMARY KEY,"+ " NAME TEXT,"+ " BREED TEXT,"+ " HEIGHT REAL,"+ " BIRTHDATE TEXT"+ ")"; try {// Execute DDL StatementStatement statement = conn.createStatement();statement.execute(sql);} catch (SQLException ex) {System.out.println(ex.getMessage());} } 2:Unit test 0 / 3 Test createTable() creates Horse table Test feedback Horse table does not exist