public Schema::dropTable($table) Drop

final public static Database::parseConnectionInfo(array $info)

final public static Database::getLog($logging_key, $key = 'default')

public Schema::tableExists($table) Check

Maximum length of a column comment in MySQL. File core/lib/Drupal/Core/Database/Driver/mysql/Schema.php

public Schema::nextPlaceholder() Returns the

public static Database::ignoreTarget($key, $target)

public Upsert::execute() Runs the query

protected Select::prepareCountQuery() Prepares

public StatementInterface::fetchAssoc()