PDO Knowledge point 1

Source: Internet
Author: User

pdo::begintransaction-Start a transaction
pdo::commit-Commit a transaction
pdo::__construct-creating a PDO instance that represents a database connection
Pdo::errorcode-gets the SQLSTATE associated with the last operation of the database handle
Pdo::errorinfo-fetch extended error information associated with the last operation on the database handle
pdo::exec-executes an SQL statement and returns the number of rows affected
Pdo::getattribute-retrieving the properties of a database connection
pdo::getavailabledrivers-returns an array of available drives
pdo::intransaction-check whether within a transaction
Pdo::lastinsertid-returns the ID or sequence value of the last inserted row
PDO::p repare-prepares A statement for execution and returns a statement object
Pdo::query-executes an SQL statement, returning a result set as a Pdostatement object
Pdo::quote-quotes a string for use in a query.
pdo::rollback-rolling back a transaction
pdo::setattribute-Setting properties

Exception::getmessage-gets the content of the exception message.
exception::getprevious-returns the previous exception in the exception chain
exception::getcode-Getting exception codes
Exception::getfile-Gets the program file name of the exception that occurred
Exception::getline-gets the line number of the code in the file where the exception occurred
exception::gettrace-getting exception tracking information
exception::gettraceasstring-getting exception tracking information for a string type
exception::tostring-to convert an exception object to a string
exception::clone-Abnormal cloning


PDO Knowledge point 1

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