Which database driver is used to connect to Derby database in JSF? O a. org.sql O b. org.apache.derby.jdbc.ClientDriver O c. jdbc odbc O d. oracle.jdbc.driver.Oracleclient
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- Which device identifiers end steps attract based commands from executing on a structuredquery language (SQL) server?A. Hardware security moduleB. Cloud access and security brokerC. Host-based firewallD. Database activity monitorWhich of the following can be used to create a database within PostgreSQL? (Chooseall that apply.)a. the CREATE DATABASE statement within the PostgreSQL utility.b. the ADD DATABASE statement within the PostgreSQL utility.c. the adddb command.d. the createdb command.Which one of the following supports the logical structure of the Oracle database? a. Service management b. Service receivable c. Cost accounting d. Capital accounts
- Can you help me understand why the $type shows an error - Error: Type must be a valid integer preocess_form.php <?php $db_host = "localhost"; $db_username = "root"; $db_pass = ""; $db_name = "sc_test"; $con = mysqli_connect($db_host, $db_username, $db_pass) or die("Could not connect to MySQL"); mysqli_select_db($con, $db_name) or die("Could not select database"); if ($_SERVER["REQUEST_METHOD"] == "POST") { // Retrieve form data $sku = $_POST['sku'] ?? ''; $name = $_POST['name'] ?? ''; $price = $_POST['price'] ?? ''; $type = $_POST['type'] ?? ''; $attribute = $_POST['attribute'] ?? ''; // Validate the type value if (!is_numeric($type)) { die("Error: Type must be a valid integer"); } $type = intval($type); // Perform the database query to insert the data $query = "INSERT INTO products (sku, name, price, type, attribute) VALUES ('$sku', '$name', '$price', '$type', '$attribute')"; mysqli_query($con, $query) or die("Query failed: " . mysqli_error($con)); // Redirect to the…One of you company's applications has been performing poorly lately, often taking more than 15 seconds to respond during busy periods when it normally takes less than a second. The server is running Linux and has Apache web server and MySQL database server running on it, and the application itself. What would you investigate, and how would you troubleshoot this issue?How can I use JQuery or AJAX call in Laravel for live database update and load onto the page?
- Which of the following is FALSE regarding a Disk-Oriented DBMSarchitecture?O The DBMS has an execution engine that will execute queries.O The DBMS has a buffer pool that manages the movement back and forthbetween disk and memory.O The database is all on disk, and the data in the database files is organized intopages, and the first page is the directory page.Which of the following creates a connection on an external data source such as a database? 1. Connection manager 2. Server explorer configuration wizard 3. Data source connection wizard 4. Data binding wizardhelp me java web (Can you guide the solution?) 1)file db DbContext public class DBContext { protected Connection connection; public DBContext() { try { String user = "sa"; String pass = "123456789"; String url = "jdbc:sqlserver://MSI:1433;databaseName=MyOrder"; Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); connection = DriverManager.getConnection(url, user, pass); } catch (ClassNotFoundException | SQLException ex) { Logger.getLogger(DBContext.class.getName()).log(Level.SEVERE, null, ex); } } } 2)public class DBContext1 { public Connection getConnection()throws Exception { String url = "jdbc:sqlserver://"+serverName+":"+portNumber +";databaseName="+dbName; Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); return DriverManager.getConnection(url, userID, password); } private final String serverName =…
- Given the following PHP command statements (assume correct $dbname, $username, $passowrd vaules). $dbCon = new PDO("mysql:host=localhost;dbname=".$dbName, $username, $password);$sql = 'SELECT productCode, productName, listPrice FROM products';$stmt = $dbCon->prepare($sql);$stmt->execute();while ($row = $stmt->fetch()){ echo $row[0] . " | " . $row[1] . " | " . $row[2] . "<br/>";} What value is in $row[1]?Which of the following actions will improve database performance???? A) Cache data in memory B) Add additional CPUs C) Remove system stored procedures D) Expand the transaction log Connections to SQL Server are made over which of the following A) TCP B) SSL C) All of the above D) None of the above Which of the following does is NOT a term used with respect to storage devices? A) Queue depth B) Latency C) Volume D) Buffer poolWhich of the keys below are not supported by a relational database? a. Foreign keys b. Composite keys c. Dynamic keys d. Primary keys