public getDefaultIdValue () Returns the default identity value to be inserted in an identity column

public begin ([mixed $nesting]) Starts a transaction in the connection

public close () Closes the active connection returning success. Phalcon automatically closes and destroys active connections

public array getErrorInfo () Return the error info, if any

public useExplicitIdValue () Check whether the database system requires an explicit value for identity columns

public isUnderTransaction () Checks whether the connection is under a transaction

public escapeString (mixed $str) Escapes a value to avoid SQL injections according to the active charset in the connection

public supportSequences () Check whether the database system requires a sequence to produce auto-numeric values

public escapeIdentifier (mixed $identifier) Escapes a column/table/schema name

public createTable (mixed $tableName, mixed $schemaName, array $definition) Creates a table