# Variables
InstructsColumns holds the columns for the "instructs" table.
InstructsTable holds the schema information for the "instructs" table.
ResourcesColumns holds the columns for the "resources" table.
ResourcesTable holds the schema information for the "resources" table.
Tables holds all the tables in the schema.
VersionsColumns holds the columns for the "versions" table.
VersionsTable holds the schema information for the "versions" table.
WithDropColumn sets the drop column option to the migration.
WithDropIndex sets the drop index option to the migration.
WithForeignKeys enables creating foreign-key in schema DDL.
WithGlobalUniqueID sets the universal ids options to the migration.