The table or subquery to be used for the condition. File core/lib/Drupal/Core/Database/Query/Merge.php

Query extender for pager queries. This is the "default" pager mechanism. It creates a paged query with a fixed number of entries per page.

Whether or not this query should be DISTINCT Type: bool File

public SelectExtender::exists(SelectInterface $select)

public ConditionInterface::conditionGroupFactory($conjunction

The tables against which to JOIN. This property is a nested array. Each entry is an array representing a single table against which to join

public Select::fields($table_alias, array $fields = array())

public Update::expression($field, $expression, array $arguments = NULL)

public Select::havingNotExists(SelectInterface $select)

The array of fields that can be sorted by. File core/lib/Drupal/Core/Database/Query/TableSortExtender