public Schema::__clone() Implements the magic

abstract public Schema::dropField($table, $field) Drop

abstract public Schema::addUniqueKey($table, $name, $fields)

abstract public Schema::dropIndex($table, $name) Drop

public Schema::prepareComment($comment, $length = NULL)

public Schema::uniqueIdentifier() Returns

abstract public Schema::dropPrimaryKey($table) Drop

public Schema::fieldNames($fields) Return

abstract public Schema::fieldSetNoDefault($table, $field)

Definition of prefixInfo array structure. Rather than redefining DatabaseSchema::getPrefixInfo() for each driver, by defining the defaultSchema