public addColumn (mixed $tableName, mixed $schemaName,

public dropTable (mixed $tableName, [mixed $schemaName], [mixed $ifExists]) Generates SQL to drop

public dropPrimaryKey (mixed $tableName, mixed $schemaName) Generates SQL to delete primary key from a table

public string | ** fetchColumn (string $sqlQuery, [array $placeholders], [int | string $column])

integer FETCH_GROUP

public getDefaultValue () Returns the default value to make the RBDM use the default value declared in the table definition

abstract public dropColumn (mixed $tableName, mixed $schemaName, mixed $columnName) ...

public Phalcon\Db\IndexInterface[] describeIndexes

abstract public fetchArray () ...

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