PHP Databases Handling If there is no error, then what will the error() method return? 0 TRUE FALSE Empty String 0 TRUE FALSE Empty String ANSWER DOWNLOAD EXAMIANS APP
PHP Databases Handling Which of the following is not an SQL aggregate function? MAX SUM CURRENT_DATE() MIN AVG MAX SUM CURRENT_DATE() MIN AVG ANSWER DOWNLOAD EXAMIANS APP
PHP Databases Handling Transactions are used to treat sets of SQL statements atomically. False True False True ANSWER DOWNLOAD EXAMIANS APP
PHP Databases Handling Which method rolls back the present transaction? back() undo() rollback() commit() back() undo() rollback() commit() ANSWER DOWNLOAD EXAMIANS APP
PHP Databases Handling What will happen at the end of the following sequence of SQL commands?BEGIN TRANSACTIONDELETE FROM MYTABLE WHERE ID=1DELETE FROM OTHERTABLEROLLBACK TRANSACTION The contents of OTHERTABLE will be deleted, as will be all the contents of MYTABLE whose ID is 1 The database will remain unchanged The contents of OTHERTABLE will be deleted The contents of both OTHERTABLE and MYTABLE will be deleted The contents of OTHERTABLE will be deleted, as will be all the contents of MYTABLE whose ID is 1 The database will remain unchanged The contents of OTHERTABLE will be deleted The contents of both OTHERTABLE and MYTABLE will be deleted ANSWER DOWNLOAD EXAMIANS APP
PHP Databases Handling Which of the following DBMSs do not have a native PHP extension? None of these MySQL IBM DB/2 Microsoft SQL Server PostgreSQL None of these MySQL IBM DB/2 Microsoft SQL Server PostgreSQL ANSWER DOWNLOAD EXAMIANS APP