Issue #2665992 by alexpott, klausi, heykarthikwithu, xjm, tstoeckler: @file is not required for classes, interfaces and traits

Issue #1392754 by tss, justAChris, jhodgdon: Comply with new documentation standards for @file for namespaced class files

Issue #2491155 by mikeburrelljr, Mac_Weber, opdavies: Update drupal.org and kernel.org URLs in core modules (Follow-up to 2489912)

Issue #2486831 by amateescu: The $dbh and $connection members are mixed up in Drupal\Core\Database\StatementPrefetch

Issue #2146733 by andypost, chx, InternetDevels, bohart: Select queries should not use rowCount() to calculate number of rows.

Issue #1614186 by RobLoach, tim.plunkett, msonnabaum, Crell, jhodgdon, Niklas Fiekas: Update coding standards for using 'native' PHP classes like stdClass in namespaced code.

Issue #2057809 by StephaneQ, Berdir, chx, dawehner: Fix up param/return documentation in database API

Issue #2060811 by legolasbo: Remove Unused local variable  from /core/lib/Drupal/Core/Database/StatementPrefetch.php.

Issue #2010322 by Damien Tournoud, dcrocks, amateescu: SQLite follow up to #1953800 'Make the database connection serializable'.

Rename classes to remove the redundant Database prefix and move query exceptions into the query namespace.

Initial move and rename of database classes to PSR-0 namespaces.  So far only MySQL has been converted.

Nate Lampton authored Oct 30, 2011 and catch committed Nov 01, 2011

Issue #22336 by quicksketch, scor, boombatower, and rfay. Move all core Drupal files under a core subdirectory.

- Patch #1266694 by Damien Tournoud: Fixed DatabaseStatementPrefetch doesn't implement fetchColumn().

- Patch #742042 by kkaefer:DBTNG: ->fetchAllAssoc() doesn't respect fetch mode set during ->execute().

- Patch #342693 by Damien Tournoud et al: DatabaseStatement Prefect iterator did not implement a proper forward-only one cursor.