Suppose we have a database DB on (localhost) sever, (root) user name, and password, and we have table under that database EMP what the output for below code emp table Emp_ld Name address Sal 1000 Ali Amman 700 2000 Mai Aqaba 800 3000 Muna Amman 600 4000 Hatem Madab 700 0) { die('cannot connect to database'. mysql_connect_error()); } $query =" SELECT * FROM emp"; $result = mysqli_query($db_con,$query); while($row = mysqli_fetch_array($result)){ echo $row[1]. $row[2]. '; } mysqli_free_result($result); ?>
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- Part A: MySQL Query/Exec Create StudentsDB database in MySQL server with the following table: Table: Students uid int, Primary Key, Auto Increment studentID varchar(8), Unique name varchar(50) major varchar(50) passedCredits int CGPA float Implement the following PHP scripts as required below: php: the script should display student’s info (StudentID, name, major, credits passed and CGPA) in HTML table with appropriate title for each column. Student cells/rows should be highlighted as follows: Condition Highlight Color Student At Risk: CGPA < 2.0 Red for CGPA Cell Expected to graduate: Passed Credits >=115 Yellow for Passed Credits Cell Outstanding Student: CGPA = 3.5 or above Green for the entire Student Row php: This script should display all students’ names and major. Each student will be identified by a checkbox (define the checkbox name as a numeric array holding the uid). The…In this database we have users that can be two types students or instructors. They have groups and memberships. Any user can post and the post type can be video, photo or text. Here is the table structure: CREATE TABLE USER_ ( USER_ID INT NOT NULL AUTO_INCREMENT, CREATE_DATE DATE NOT NULL, PROF_DESC VARCHAR (100), PROF_PIC VARCHAR(40), LOCATION VARCHAR (40) NOT NULL, PRIMARY KEY (USER_ID) ); CREATE TABLE USER_INFO( USER_ID INT NOT NULL, SU_EMAIL CHAR(18), USER_FNAME VARCHAR(15), USER_LNAME VARCHAR (15), USER_DOB DATE, USER_GENDER CHAR(1), PRIMARY KEY (USER_ID), FOREIGN KEY (USER_ID) REFERENCES USER_(USER_ID) ON UPDATE CASCADE ); CREATE TABLE STUDENT ( SU_ID INT NOT NULL, USER_ID INT NOT NULL, YEAR_ VARCHAR (10), MAJOR VARCHAR (20), LOCATION VARCHAR (40) NOT NULL, PRIMARY KEY (SU_ID), FOREIGN KEY (USER_ID) REFERENCES USER_(USER_ID) ON UPDATE CASCADE ); CREATE TABLE INSTRUCTOR ( SU_ID INT NOT NULL, USER_ID INT NOT NULL, DEPARTMENT VARCHAR (40), INSTR_TYPE VARCHAR (40),…In python code: Using the dataframe produced in question#2 and your Database class from Lab1, Byte Stream your dataframe into your Database object. Also, use your Query Builder to build the Insert Query for your byte stream insertion. class GreenhouseGas(NamedTuple): Gas: str Pre_1750: float Recent: float Absolute_increase_since_1750: float Percentage_increase_since_1750: float def __repr__(self): return f"Gas: {self.Gas}, Pre-1750: {self.Pre_1750}, Recent: {self.Recent}, Absolute increase since 1750: {self.Absolute_increase_since_1750}, Percentage increase since 1750: {self.Percentage_increase_since_1750}" def __lt__(self, other): return self.Recent < other.Recent def __eq__(self, other): return self.Gas == other.Gas @classmethod def from_list(cls, data): gas, pre_1750, recent, absolute_increase, percentage_increase = data return cls(gas, pre_1750, recent, absolute_increase, percentage_increase) def…
- Computer Science Create a simple application for an Admin in a University to manually choose courses for students. The solution would include both Frontend and a minimal Backend. You have to use react node js and mongodb Here, some of the use cases include - Return the list of students, optionally with pagination Display the list of students Upon click on the list item, display the selected courses for that specific student Also, add the option to choose some courses for that student You are free to choose the appropriate UI elements. The result should be runnable ideally via command-line.In java create an application to manage your data base information the database is already created in mysql tables, the tables are fill, So the user can use your database application user friendly Retrieve all data: Given a table name, retrieve all data from the table and present it to the user. Average: Given a table name and a column name, return the average of the column. Here the assumption is that the column type will be numeric (e.g., cost column). Insert: Given a table name, your program should show the column names of that table and ask the users to input new data to the table. In case of errors, your program should directly show the MySQL errors to the users. Assumption 1: Users will enter data according to the database constraints. Assumption 2: Users will input one record at a time. Delete: Given a table name, your program should show the column names of that table and ask the users to input data that they want to delete. Assumption 1: Users will enter data according to the…Create a MySQL Database called “CSC306Class”. Create three (3) tables in the database called “studentInf”, “IntructorInf”, and “LikedAndDisliked”. Each table should consist of five columns that are relatable to the table name. Insert at least five row of data in each table. The data can be any information as long as it is related to the table name. If you were able to download and setup an php server on computer. Try to create the database, tables, and rows. Then upload a screenshot and code. Please help me with the practice problem I have created.
- DBS-14.6: Cosider the below given relational database model of Ticket Booking Application to develop an SQL query to display list of bus number and names where source and destination of a bus is the destination and source of another bus. Display unique records in ascending order by bus_no. BUSES number(11) BUS NO BUS_NAME varchar2(20) t TYPE SCHEDULE varchar2(3) date d varchar2(20) t DESTINATION varchar2(20)t number(11) number(11) SCHEDULE ID varchar2(20) t TOTAL_SEATS number(11) # AVAIL_SEATS number(11) # TRAVEL DATE SOURCE BUS NO O BUS_NO DURATION PAYMENTS DISCOUNTS PAYMENT_ID varchar2(3) t DISCOUNT_ID varchar2(3) TICKET ID TICKET ID P BD_ID O DISCOUNT_ID varchar2(3), varchar2(3) number(11) DISCOUNT_AMOUNT number(11) DISCOUNT_ID TICKETS TICKET ID yarchar2(3) SCHEDULE_ID O SCHEDULE ID varchar2(3) number(11) # number(11) number(11) # FARE USER ID p USER_ID USERS NO SEATS number(11) varchar2(20) t ADDRESS varchar2(100) t number(11) EMAILID varchar2(30) t P primary key - not null e…Suppose a web application implements authentication by constructing an SQL query from HTML from data using PHP’s prepared statements. What would happen if an attacker entered FRANK’ OR 1=1; -- in the web form’suser-name field?(a) The text will corrupt the query structure and the database will view it as a syntax error(b) The text will modify the structure of the SQL query and possibly bypass authentication(c) The application will try to authenticate a user whose user-name is FRANK’ OR 1=1; --(d) The text will be confused as the password and authentication will probably failWrite pseudocode tomanage a connection pool. Your pseudocodemust includea function to create a pool (providing a database connection string, databaseuser name, and password as parameters), a function to request a connection from the pool, a connection to release a connection to the pool, and a functionto close the connection pool.
- Write a program that views, inserts, and updatesstaff information stored in a database, as shown in Figure a. The View buttondisplays a record with a specified ID. The Insert button inserts a new record. TheUpdate button updates the record for the specified ID. The Staff table is createdas follows:create table Staff (id char(9) not null,lastName varchar(15),firstName varchar(15),mi char(1),address varchar(20),city varchar(20),state char(2),telephone char(10),email varchar(40),primary key (id));use c++ language You run an e-comměrce website and want to record the last N order ids in a log. Implement a data structure to accomplish this, with the following API: record(order_id): adds the order_id to the log get_last(i): gets the ith last element from the log. i is guaranteed to be smaller than or equal to N. You should be as efficient with time and space as possible.Write a script that adds an index to the MyGuitarShop database for the zip code field in the Addresses table. Write a script that implements the following design in a database named MyWebDB: In the Downloads table, the UserID and ProductID columns are the foreign keys. In the Users table, the EmailAddress and LastName columns are required, but the FirstName column is not. Include a statement to drop the database if it already exists. Include statements to create and select the database. Include any indexes that you think are necessary. 3. Write a script that adds rows to the database that you created in exercise 2. Add two rows to the Users and Products tables. Add three rows to the Downloads table: one row for user 1 and product 1; one for user 2 and product 1; and one for user 2 and product 2. Use the GETDATE function to insert the current date and time into the DownloadDate column. Write a SELECT statement that joins the three tables and retrieves the data from these tables like…