dropPrimaryKey() public method Builds and executes a SQL

insert() public method Creates and executes an INSERT

batchInsert() public method Creates and executes an batch

safeDown() public method This method contains the logic

renameColumn() public method Builds and executes a SQL

$db public property The DB connection object or the application

renameTable() public method Builds and executes a SQL

update() public method Creates and executes an UPDATE

addCommentOnColumn() public method (available since version 2.0.8)

addPrimaryKey() public method Builds and executes a SQL