In SQL statement, alias is used for which purpose? O a. retrieving information from the database O b. assigning null values O C. displaying columns from the table O d. renaming a çolumn heading in the output
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- Create a SQL program where a user can check all the books online. They can also order a book online, in which case the inventory will get updated, and the book count will reduce.Which of the following isn't a common error when entering and executing SQL statements? a) Misspelling a keyword b) Misspelling the name of a table c) Forgetting to attach the required database d) Forgetting to select the required databaseWhich of the following is not part of a standard SQL statement? a. Importable programming libraries b. Predicate c. Expressions d. Clauses
- Assume that all the statements from Q.6.2 have been executed on the database.Q.6.3.1 Write a SQL statement to get the list of all the team members in thedatabase. Include only the name and email address of the teammembers.You are in charge of creating a small database for a store that sells goods so that it can keep track of its customers and their orders. Write an SQL statement to create a customer table containing the following information: Every customer has a unique ID, that should not be empty and set as the primary key The customer's first and last name that shouldn't be empty The phone number that shouldn't be empty The email, which could be empty. The address, which could be empty. Write a SQL statement to create the table Orders, which will keep track of customer orders, using the following information: Each order has a unique ID, which shouldn't be empty and should be set as the primary key. The customer's ID and should not be empty and assign it as the foreign key of the customer ID in table customer. The Items purchased by the customer and shouldn't be left empty. The amount of each item, and should not be empty The price of the items, and should not be empty1) What is an example of SQL injection? Group of answer choices A malicious user alters the query string to display sensitive data User input is used to dynamically alter a SQL statement A virus that deletes all data in the database Website that uses SQL statements to display content 2) What regex matches the string "How was your day?"? Group of answer choices /[0-9]*\?$/ /\w+[yz]?/ /[0+9].\?$/ /day\?\$/ 3) A cryptographic hash function is used to _____. Group of answer choices convert passwords into hashes set up third party authentication for added security decrypt passwords when users get locked out of their accounts email a reminder to users who forgot their password 4) With which mode is the fopen() function called to overwrite an existing file? Group of answer choices r o a w 5) Why are sessions preferred over cookies? Group of answer choices Programming sessions is less complicated than cookies Session variables require fewer memory…
- The following two SQL statements will produce the same results. SELECT P_DESCRIPT, P_QOH,P_PRICE FROM PRODUCT WHERE P_QOH >(SELECT P_QOH FROM PRODUCT WHERE P_CODE='11QER/31') AND P_PRICE>(SELECT P_PRICE FROM PRODUCT WHERE P_CODE='11QER/31'); SELECT P_DESCRIPT, P_QOH,P_PRICE FROM PRODUCT WHERE (P_QOH,P_PRICE) > (SELECT P_QOH,P_PRICE FROM PRODUCT WHERE P_CODE='11QER/31'); A) True B) FalseCan you walk me through the steps of executing a SQL query on the command prompt to import a MySql database?Write a PHP Program for authentication. 1) Create a table user’s 2) Apply SQL injection using Get and Post method. 3) Change code to make authentication mechanism secure. Use WAMP Server Software to write the PHP Program for authentication and to apply SQL injection using Get and Post Method. Provide answer all the questions and provide correct solution to all the questions mentioned above as soon as possible
- 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);}}}Which of the following is a correct statement? a. A commit is issued implicitly when a user exits SQL Developer or SQLPlus. b. A commit is issued implicitly when a DDL command is executed. c. A commit is issued automatically when a DML command is executed. d. All of the above are correct. e. Both a and b are correct. f. Both a and c are correct.The following two SQL statements will produce the same results. SELECT P_DESCRIPT, P_PRICE FROM PRODUCT WHERE P_CODE IN (SELECT P_CODE FROM LINE GROUP BY P_CODE HAVING COUNT(*) >=1); SELECT P_DESCRIPT, P_PRICE FROM PRODUCT WHERE EXISTS (SELECT P_CODE FROM LINE WHERE LINE.P_CODE=PRODUCT.P_CODE); Group of answer choices A) True B) False