he MongoDB shell is an interactive ______interface to MongoDB. You can use the mongo shell to query and update data as well as perform administrative operations. A. NodeJS B. JavaScript C. C D. SQL
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The MongoDB shell is an interactive ______interface to MongoDB. You can use the mongo shell to query and update data as well as perform administrative operations.
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NodeJS |
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JavaScript |
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C |
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- Which of the following data dictionary objects should be used to view information about the constraints in a database? USER_TABLES USER_RULES USER_COLUMNS USER_CONSTRAINTS None of the above objects should be used.Population Database Compile and run CreateCityDB.java which will create a Java DB database named CityDB. The CityDB database will have a table named City, with the following columns: CityName & Population. Their Data Types: CHAR(50) Primary Key & DOUBLE. The CityName column stores the name of a city, and the Population column stores the population of that city. After you run the CreateCityDB.java program, the City table will contain 20 rows with various cities and their populations. Next, create an application that connects to the CityDB database and allows the user to select any of the following operations: Sort the list of cities by population, in ascending order. Sort the list of cities by population, in descending order. Sort the list of cities by name. Get the total population of all the cities. Get the average population of all the cities. Get the highest population. Get the lowest population. CreateCityDB.java import java.sql.*; /** This program creates the CityDB…Hello Can you help me I want to connect my database and table name admin on my PHP code but it throw some error I did not commit any sql query I just create table but it does not have function. Can you help me to create a proper table with the info below. Here is the error: Warning: Undefined array key "fname" in C:\xampp\htdocs\VaccinationSystem\adduser.php on line 10Warning: Undefined array key "mname" in C:\xampp\htdocs\VaccinationSystem\adduser.php on line 11Warning: Undefined array key "gender" in C:\xampp\htdocs\VaccinationSystem\adduser.php on line 12Can't Insert Data : Column count doesn't match value count at row 1 And here is my code <?php session_start(); include 'database_connection.php'; if($_POST['uname'] && $_POST['password']) { $name=$_POST['uname']; $lname = $_POST['lname']; $gen = $_POST['gender']; $city = $_POST['city']; $birth = $_POST['birth']; $type = $_POST['utype']; $email =…
- 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…Create a Java application for Checkers called CheckersStockTakingApp. The application should consist of a client side, a server side and a database.4.1 Create a database called checkersproducts using MySQL or any relational database management software you are comfortable with. The database should have a table called products that consists of the following columns and properties:prodID AUTO NUMBER (primary)prodName VARCHAR (30)prodType VARCHAR (30)prodPrice DECIMAL (6,2)4.2 Create a server class that will do the following:• Run on port 8000 and listen to a client• Initially output a “server is starting” message to the screen• Make a connection to the database• Receive product details from the client• Add product details to products table• Send a message back to client to inform whether or not the product was added• Handle any exceptions• Close the server when the user types "stop" on the client side and output a message"Server stopping...." 4.3 Create a client class that will do the…Which should be used while creating plugins: custom post types or custom database tables?
- Assume that a database has a table named Stock, with the following columns:Column Name TypeTrading_Symbol nchar(10)Company_Name nchar(25)Num_Shares intPurchase_Price moneySelling_Price moneyWrite a Select statement that returns the Trading_Symbol column only from the rows where Purchase_Price is greater than $25.00.Using the getFirst() function as a template for reference, code the saveProduct() function that will be called when the save button of the depicted screen is clicked. The text from the JTextFields will be used as parameters.The database schema for the SQL tables are also depicted. The number of the product is the primary key and is set to auto-increment. public Product getFirst() { if (openConnection()) { try{ Product temp = null; String query = "SELECT * FROM products order by number asc limit 1"; // our SQL SELECT query. Statement st = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_READ_ONLY); // create the java statement ResultSet rs = st.executeQuery(query);// execute the query, and get a java resultset while (rs.next()) // iterate through the java resultset { temp = new…I have been trying to get this program to work but every time I fix one area it throws 2 more codes, please show me what I am doing wrong, it is supposed to create a Database, with options to view all, add to, take away, update row, and view individual rows with a loop to repeat. _________ import sqlite3 #Define functions def CreateMemberDB(): conn=sqlite3.connect('Members.db') curs=conn.cursor() #create a table cmd_str=''' CREATE TABLE Member_Info( Name TEXT, Number INT, Phone NUMERIC )''' #send string to DB curs.execute(cmd_str) starting_data = ( ('Anna', 2435, 2345678910), ('Bryan', 2436, 3456789101), ('Claudia', 2437, 4567891012), ('Tom', 2438, 5678911234), ('Dusty', 2439, 6789112345) ) for row in starting_data: cmd_str= ''' INSERT INTO Member_Info(Name, Number, Phone) VALUES(?,?,?) ''' curs.execute(cmd_str, row) conn.commit() conn.close() def GetallMemberInfo(): conn=sqlite3.connect('Members.db') curs=conn.cursor() sql_cmd = 'SELECT ROWID, Name from Member_Info'…
- Create a CRUD API express server in JavaScript to manage recipes. Design the database and create your createDB.sql file. Seed your database with some initial records. Your application should store these recipe fields: id name ingredient_1 ingredient_2 ingredient_3 recipe_author_first_name recipe_author_last_name recipe_category_name Follow RESTful conventions to set up the five standard routes for a CRUD api. Make sure your API responds appropriately to various situations: Errors Invalid requests Etc.Any comments i could add to this? package attendance; import java.sql.Connection;import java.sql.DriverManager;import java.sql.SQLException;import java.sql.Statement; public class SqliteDB {Connection conn = null;Statement stmt = null;public SqliteDB() throws ClassNotFoundException {//try to connect with dbtry {Class.forName("org.sqlite.JDBC");// db parametersString url = "jdbc:sqlite:C:/sqlite/db/attendance.db";// create a connection to the databaseconn = DriverManager.getConnection(url);System.out.println("Connection to SQLite has been established.");} catch (SQLException e) {System.out.println(e.getMessage());}}public void executeQuery(String query) {try {this.stmt = conn.createStatement();stmt.execute(query);}catch (Exception e) {System.out.println(e);}}public void closeConnection() {try {this.conn.close();}catch( Exception e) {System.out.println(e);}}}Assistance with SQL statements Previous code; CREATE TABLE Lab4program_piershed ( code VARCHAR(5) PRIMARY KEY, name VARCHAR(20), tel VARCHAR(20));CREATE TABLE Lab4course_xxxx ( cid INT PRIMARY KEY, name VARCHAR(20), credits INT, mycode VARCHAR(5), FOREIGN KEY (mycode) REFERENCES Lab4program_xxxx(code)); 1. Insert 3 records into your Lab4program_xxxx table. The code should be "CPS", "TECH", "MATH", or "BIO". Please copy/paste your SQL statements with the output message in the text that shows you successfully insert 3 records to your table. 2. Insert 4 records into your Lab4course_xxxx table with at least 2 different mycode. Please copy/paste your SQL statements with the output message in the text that shows you successfully insert 4 records to your table.
