IN SQL Which of these statements create session to username?
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IN SQL
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- Which of the following is a valid SQL statement? SELECT * WHERE amid = ‘J100’ FOR UPDATE; INSERT INTO homeworkl0 VALUES (SELECT * FROM acctmanager); DELETE amid FROM acctmanager; rollback; all of the aboveWhich SQL statement key word can be used to delete a record within a table?a. DELETEb. DROPc. REMOVEd. CLEARWhich of the following is a correct statement?a. A commit is issued implicitly when a user exits SQL Developer or SQL*Plus.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
- <?php if (isset($_POST['login'])){ $email = $_REQUEST['username']; $password = $_REQUEST['psw']; Require(‘connect_sql.php’); $sql= $result = mysqli_query($connection,$sql); $num = if( ){ }else{ echo "invalid username or password!"; } mysqli_close($connection); } ?>Which of the following is a valid SQL statement? (refer to the tables in the JustLee Books database.) a. SELECT SYSDATE; b. SELECT UPPER(Hello) FROM dual; c. SELECT TO_CHAR(SYSDATE, 'Month DD, YYYY') FROM dual; d. all of the above e. none of the aboveWhich of the following statements is NOT CORRECT about stored procedures? They increase the network traffic They increase the performance of the program They are a group of procedural and SQL statements They minimize the code duplication
- Which of the following is a valid SQL statement?a. SELECT * WHERE amid = ‘J100’ FOR UPDATE;b. INSERT INTO homeworkl0 VALUES (SELECT * FROM acctmanager);c. DELETE amid FROM acctmanager;d. rollback;e. all of the aboveplz help with the follwong: in sql Oracle issued the following error: user user_123 lacks CREATE SESSION privilege; logon denied How you enable the user user_123 to log in?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 is a valid SQL statement? (refer to the tables in the JustLee Books database.)a. SELECT TRUNC(ROUND(125.38, 1), 0) FROM dual;b. SELECT ROUND(TRUNC(125.38, 0)FROM dual;c. SELECT LTRIM(LPAD(state, 5, ' '), 4, -3, "*")FROM dual;d. SELECT SUBSTR(ROUND(14.87, 2, 1), -4, 1)FROM dual;Write a cron job that executes the command, sudo mysqldump --all-databases at 11:59 pm on Sunday every week of the month.73. Which of the following is a transaction isolation level as specified by SQL standard? a. Serializable b. Repeatable read c. Read committed d. All of the mentioned