Add indexes to foreign key columns to avoid database contention

git-svn-id: http://scm.dspace.org/svn/repo/branches/dspace-1_5_x@2651 9c30dcfa-912a-0410-8fc2-9e0234be79fd

dspace/etc/database_schema.sql

@@ -136,6 +136,8 @@ CREATE TABLE FileExtension
   extension            VARCHAR(16)
 );
 
+CREATE INDEX fe_bitstream_fk_idx ON FileExtension(bitstream_format_id);
+
 -------------------------------------------------------
 -- Bitstream table
 -------------------------------------------------------
@@ -156,6 +158,8 @@ CREATE TABLE Bitstream
    sequence_id             INTEGER
 );
 
+CREATE INDEX bit_bitstream_fk_idx ON Bitstream(bitstream_format_id);
+
 -------------------------------------------------------
 -- EPerson table
 -------------------------------------------------------
@@ -201,6 +205,9 @@ CREATE TABLE Group2Group
   child_id  INTEGER REFERENCES EPersonGroup(eperson_group_id)
 );
 
+CREATE INDEX g2g_parent_fk_idx ON Group2Group(parent_id);
+CREATE INDEX g2g_child_fk_idx ON Group2Group(child_id);
+
 ------------------------------------------------------
 -- Group2GroupCache table, is the 'unwound' hierarchy in
 -- Group2Group.  It explicitly names every parent child
@@ -217,6 +224,9 @@ CREATE TABLE Group2GroupCache
   child_id  INTEGER REFERENCES EPersonGroup(eperson_group_id)
 );
 
+CREATE INDEX g2gc_parent_fk_idx ON Group2Group(parent_id);
+CREATE INDEX g2gc_child_fk_idx ON Group2Group(child_id);
+
 -------------------------------------------------------
 -- Item table
 -------------------------------------------------------
@@ -230,6 +240,8 @@ CREATE TABLE Item
   owning_collection INTEGER
 );
 
+CREATE INDEX item_submitter_fk_idx ON Item(submitter_id);
+
 -------------------------------------------------------
 -- Bundle table
 -------------------------------------------------------
@@ -240,6 +252,8 @@ CREATE TABLE Bundle
   primary_bitstream_id	INTEGER REFERENCES Bitstream(bitstream_id)
 );
 
+CREATE INDEX bundle_primary_fk_idx ON Bundle(primary_bitstream_id);
+
 -------------------------------------------------------
 -- Item2Bundle table
 -------------------------------------------------------
@@ -253,6 +267,8 @@ CREATE TABLE Item2Bundle
 -- index by item_id
 CREATE INDEX item2bundle_item_idx on Item2Bundle(item_id);
 
+CREATE INDEX item2bundle_bundle_fk_idx ON Item2Bundle(bundle_id);
+
 -------------------------------------------------------
 -- Bundle2Bitstream table
 -------------------------------------------------------
@@ -266,6 +282,8 @@ CREATE TABLE Bundle2Bitstream
 -- index by bundle_id
 CREATE INDEX bundle2bitstream_bundle_idx ON Bundle2Bitstream(bundle_id);
 
+CREATE INDEX bundle2bitstream_bitstream_fk_idx ON Bundle2Bitstream(bitstream_id);
+
 -------------------------------------------------------
 -- Metadata Tables and Sequences
 -------------------------------------------------------
@@ -309,6 +327,7 @@ CREATE VIEW dcvalue AS
 -- related to that item
 CREATE INDEX metadatavalue_item_idx ON MetadataValue(item_id);
 CREATE INDEX metadatavalue_item_idx2 ON MetadataValue(item_id,metadata_field_id);
+CREATE INDEX metadatavalue_field_fk_idx ON MetadataValue(metadata_field_id);
 CREATE INDEX metadatafield_schema_idx ON MetadataFieldRegistry(metadata_schema_id);
   
 -------------------------------------------------------
@@ -325,6 +344,8 @@ CREATE TABLE Community
   side_bar_text     TEXT
 );
 
+CREATE INDEX community_logo_fk_idx ON Community(logo_bitstream_id);
+
 -------------------------------------------------------
 -- Collection table
 -------------------------------------------------------
@@ -347,6 +368,14 @@ CREATE TABLE Collection
   admin             INTEGER REFERENCES EPersonGroup( eperson_group_id)
 );
 
+CREATE INDEX collection_logo_fk_idx ON Collection(logo_bitstream_id);
+CREATE INDEX collection_template_fk_idx ON Collection(template_item_id);
+CREATE INDEX collection_workflow1_fk_idx ON Collection(workflow_step_1);
+CREATE INDEX collection_workflow2_fk_idx ON Collection(workflow_step_2);
+CREATE INDEX collection_workflow3_fk_idx ON Collection(workflow_step_3);
+CREATE INDEX collection_submitter_fk_idx ON Collection(submitter);
+CREATE INDEX collection_admin_fk_idx ON Collection(admin);
+
 -------------------------------------------------------
 -- Community2Community table
 -------------------------------------------------------
@@ -357,6 +386,9 @@ CREATE TABLE Community2Community
   child_comm_id  INTEGER REFERENCES Community(community_id)
 );
 
+CREATE INDEX com2com_parent_fk_idx ON Community2Community(parent_comm_id);
+CREATE INDEX com2com_child_fk_idx ON Community2Community(child_comm_id);
+
 -------------------------------------------------------
 -- Community2Collection table
 -------------------------------------------------------
@@ -406,6 +438,9 @@ CREATE TABLE ResourcePolicy
 -- authorization manager are select type=x, id=y, action=z
 CREATE INDEX resourcepolicy_type_id_idx ON ResourcePolicy(resource_type_id,resource_id); 
 
+CREATE INDEX rp_eperson_fk_idx ON ResourcePolicy(eperson_id);
+CREATE INDEX rp_epersongroup_fk_idx ON ResourcePolicy(epersongroup_id);
+
 -------------------------------------------------------
 -- EPersonGroup2EPerson table
 -------------------------------------------------------
@@ -419,6 +454,7 @@ CREATE TABLE EPersonGroup2EPerson
 -- Index by group ID (used heavily by AuthorizeManager)
 CREATE INDEX epersongroup2eperson_group_idx on EPersonGroup2EPerson(eperson_group_id);
 
+CREATE INDEX epg2ep_eperson_fk_idx ON EPersonGroup2EPerson(eperson_id);
 
 -------------------------------------------------------
 -- Handle table
@@ -453,6 +489,9 @@ CREATE TABLE WorkspaceItem
   page_reached      INTEGER
 );
 
+CREATE INDEX workspace_item_fk_idx ON WorkspaceItem(item_id);
+CREATE INDEX workspace_coll_fk_idx ON WorkspaceItem(collection_id);
+
 -------------------------------------------------------
 --  WorkflowItem table
 -------------------------------------------------------
@@ -473,6 +512,10 @@ CREATE TABLE WorkflowItem
 
 );
 
+CREATE INDEX workflow_item_fk_idx ON WorkflowItem(item_id);
+CREATE INDEX workflow_coll_fk_idx ON WorkflowItem(collection_id);
+CREATE INDEX workflow_owner_fk_idx ON WorkflowItem(owner);
+
 -------------------------------------------------------
 --  TasklistItem table
 -------------------------------------------------------
@@ -483,6 +526,8 @@ CREATE TABLE TasklistItem
   workflow_id	INTEGER REFERENCES WorkflowItem(workflow_id)
 );
 
+CREATE INDEX tasklist_eperson_fk_idx ON TasklistItem(eperson_id);
+CREATE INDEX tasklist_workflow_fk_idx ON TasklistItem(workflow_id);
 
 -------------------------------------------------------
 --  RegistrationData table
@@ -506,6 +551,8 @@ CREATE TABLE Subscription
   collection_id     INTEGER REFERENCES Collection(collection_id)
 );
 
+CREATE INDEX subs_eperson_fk_idx ON Subscription(eperson_id);
+CREATE INDEX subs_collection_fk_idx ON Subscription(collection_id);
 
 
 -------------------------------------------------------------------------------
@@ -520,6 +567,8 @@ CREATE TABLE epersongroup2workspaceitem
   CONSTRAINT epersongroup2item_pkey PRIMARY KEY (id)
 );
 
+CREATE INDEX epg2wi_group_fk_idx ON epersongroup2workspaceitem(eperson_group_id);
+CREATE INDEX epg2wi_workspace_fk_idx ON epersongroup2workspaceitem(workspace_item_id);
 
 ------------------------------------------------------------
 -- Browse subsystem tables and views
@@ -538,6 +587,8 @@ CREATE TABLE Communities2Item
 -- Index by item_id for update/re-index
 CREATE INDEX Communities2Item_item_id_idx ON Communities2Item( item_id );
 
+CREATE INDEX Comm2Item_community_fk_idx ON Communities2Item( community_id );
+
 -------------------------------------------------------
 -- Community2Item view
 ------------------------------------------------------
@@ -602,6 +653,8 @@ CREATE TABLE most_recent_checksum
     result VARCHAR REFERENCES checksum_results(result_code)
 );
 
+CREATE INDEX mrc_result_fk_idx ON most_recent_checksum( result );
+
 -- A row will be inserted into this table every
 -- time a checksum is re-calculated.
 
@@ -616,6 +669,8 @@ CREATE TABLE checksum_history
     result VARCHAR REFERENCES checksum_results(result_code)
 );
 
+CREATE INDEX ch_result_fk_idx ON checksum_history( result );
+
 
 -- this will insert into the result code
 -- the initial results that should be 

dspace/etc/database_schema_14-15.sql

@@ -1,96 +1,161 @@
---
+--
--- database_schema_14-15.sql
+-- database_schema_14-15.sql
---
+--
--- Version: $$
+-- Version: $$
---
+--
--- Date:    $Date:$
+-- Date:    $Date:$
---
+--
--- Copyright (c) 2002-2007, Hewlett-Packard Company and Massachusetts
+-- Copyright (c) 2002-2007, Hewlett-Packard Company and Massachusetts
--- Institute of Technology.  All rights reserved.
+-- Institute of Technology.  All rights reserved.
--- 
+-- 
--- Redistribution and use in source and binary forms, with or without
+-- Redistribution and use in source and binary forms, with or without
--- modification, are permitted provided that the following conditions are
+-- modification, are permitted provided that the following conditions are
--- met:
+-- met:
--- 
+-- 
--- - Redistributions of source code must retain the above copyright
+-- - Redistributions of source code must retain the above copyright
--- notice, this list of conditions and the following disclaimer.
+-- notice, this list of conditions and the following disclaimer.
--- 
+-- 
--- - Redistributions in binary form must reproduce the above copyright
+-- - Redistributions in binary form must reproduce the above copyright
--- notice, this list of conditions and the following disclaimer in the
+-- notice, this list of conditions and the following disclaimer in the
--- documentation and/or other materials provided with the distribution.
+-- documentation and/or other materials provided with the distribution.
--- 
+-- 
--- - Neither the name of the Hewlett-Packard Company nor the name of the
+-- - Neither the name of the Hewlett-Packard Company nor the name of the
--- Massachusetts Institute of Technology nor the names of their
+-- Massachusetts Institute of Technology nor the names of their
--- contributors may be used to endorse or promote products derived from
+-- contributors may be used to endorse or promote products derived from
--- this software without specific prior written permission.
+-- this software without specific prior written permission.
--- 
+-- 
--- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
--- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+-- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
--- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
--- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+-- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
--- HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+-- HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
--- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+-- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
--- BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+-- BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
--- OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+-- OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
--- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+-- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
--- TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+-- TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
--- USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+-- USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
--- DAMAGE.
+-- DAMAGE.
-
+
---
+--
--- SQL commands to upgrade the database schema of a live DSpace 1.3 or 1.3.x
+-- SQL commands to upgrade the database schema of a live DSpace 1.3 or 1.3.x
--- to the DSpace 1.4 database schema
+-- to the DSpace 1.4 database schema
--- 
+-- 
--- DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. 
+-- DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. 
--- DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. 
+-- DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. 
--- DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. 
+-- DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. DUMP YOUR DATABASE FIRST. 
-
+
-------------------------------------------------------
+------------------------------------------------------
--- New Column language language in EPerson
+-- New Column language language in EPerson
-------------------------------------------------------
+------------------------------------------------------
-
+
-alter table eperson add column language VARCHAR(64);
+alter table eperson add column language VARCHAR(64);
-update eperson set language = 'en';
+update eperson set language = 'en';
-
+
-alter table bundle drop column mets_bitstream_id; -- totally unused column
+alter table bundle drop column mets_bitstream_id; -- totally unused column
-
+
-
+
--------------------------------------------------------------------------------
+-------------------------------------------------------------------------------
--- Necessary for Configurable Submission functionality:
+-- Necessary for Configurable Submission functionality:
--- Modification to workspaceitem table to support keeping track
+-- Modification to workspaceitem table to support keeping track
--- of the last page reached within a step in the Configurable Submission Process
+-- of the last page reached within a step in the Configurable Submission Process
--------------------------------------------------------------------------------
+-------------------------------------------------------------------------------
-ALTER TABLE workspaceitem ADD page_reached INTEGER;
+ALTER TABLE workspaceitem ADD page_reached INTEGER;
-
+
--------------------------------------------------------------------------
+-------------------------------------------------------------------------
--- Tables to manage cache of item counts for communities and collections
+-- Tables to manage cache of item counts for communities and collections
--------------------------------------------------------------------------
+-------------------------------------------------------------------------
-
+
-CREATE TABLE collection_item_count (
+CREATE TABLE collection_item_count (
-	collection_id INTEGER PRIMARY KEY REFERENCES collection(collection_id),
+	collection_id INTEGER PRIMARY KEY REFERENCES collection(collection_id),
-	count INTEGER
+	count INTEGER
-);
+);
-
+
-CREATE TABLE community_item_count (
+CREATE TABLE community_item_count (
-	community_id INTEGER PRIMARY KEY REFERENCES community(community_id),
+	community_id INTEGER PRIMARY KEY REFERENCES community(community_id),
-	count INTEGER
+	count INTEGER
-);
+);
-
+
-------------------------------------------------------------------
+------------------------------------------------------------------
--- Remove sequences and tables of the old browse system
+-- Remove sequences and tables of the old browse system
-------------------------------------------------------------------
+------------------------------------------------------------------
-
+
-DROP SEQUENCE itemsbyauthor_seq;
+DROP SEQUENCE itemsbyauthor_seq;
-DROP SEQUENCE itemsbytitle_seq;
+DROP SEQUENCE itemsbytitle_seq;
-DROP SEQUENCE itemsbydate_seq;
+DROP SEQUENCE itemsbydate_seq;
-DROP SEQUENCE itemsbydateaccessioned_seq;
+DROP SEQUENCE itemsbydateaccessioned_seq;
-DROP SEQUENCE itemsbysubject_seq;
+DROP SEQUENCE itemsbysubject_seq;
-
+
-DROP TABLE ItemsByAuthor CASCADE;
+DROP TABLE ItemsByAuthor CASCADE;
-DROP TABLE ItemsByTitle CASCADE;
+DROP TABLE ItemsByTitle CASCADE;
-DROP TABLE ItemsByDate CASCADE;
+DROP TABLE ItemsByDate CASCADE;
-DROP TABLE ItemsByDateAccessioned CASCADE;
+DROP TABLE ItemsByDateAccessioned CASCADE;
-DROP TABLE ItemsBySubject CASCADE;
+DROP TABLE ItemsBySubject CASCADE;
-
+
-DROP TABLE History CASCADE;
+DROP TABLE History CASCADE;
-DROP TABLE HistoryState CASCADE;
+DROP TABLE HistoryState CASCADE;
+
+----------------------------------------------------------------
+-- Add indexes for foreign key columns
+----------------------------------------------------------------
+
+CREATE INDEX fe_bitstream_fk_idx ON FileExtension(bitstream_format_id);
+
+CREATE INDEX bit_bitstream_fk_idx ON Bitstream(bitstream_format_id);
+
+CREATE INDEX g2g_parent_fk_idx ON Group2Group(parent_id);
+CREATE INDEX g2g_child_fk_idx ON Group2Group(child_id);
+
+CREATE INDEX g2gc_parent_fk_idx ON Group2Group(parent_id);
+CREATE INDEX g2gc_child_fk_idx ON Group2Group(child_id);
+
+CREATE INDEX item_submitter_fk_idx ON Item(submitter_id);
+
+CREATE INDEX bundle_primary_fk_idx ON Bundle(primary_bitstream_id);
+
+CREATE INDEX item2bundle_bundle_fk_idx ON Item2Bundle(bundle_id);
+
+CREATE INDEX bundle2bitstream_bitstream_fk_idx ON Bundle2Bitstream(bitstream_id);
+
+CREATE INDEX metadatavalue_field_fk_idx ON MetadataValue(metadata_field_id);
+
+CREATE INDEX community_logo_fk_idx ON Community(logo_bitstream_id);
+
+CREATE INDEX collection_logo_fk_idx ON Collection(logo_bitstream_id);
+CREATE INDEX collection_template_fk_idx ON Collection(template_item_id);
+CREATE INDEX collection_workflow1_fk_idx ON Collection(workflow_step_1);
+CREATE INDEX collection_workflow2_fk_idx ON Collection(workflow_step_2);
+CREATE INDEX collection_workflow3_fk_idx ON Collection(workflow_step_3);
+CREATE INDEX collection_submitter_fk_idx ON Collection(submitter);
+CREATE INDEX collection_admin_fk_idx ON Collection(admin);
+
+CREATE INDEX com2com_parent_fk_idx ON Community2Community(parent_comm_id);
+CREATE INDEX com2com_child_fk_idx ON Community2Community(child_comm_id);
+
+CREATE INDEX rp_eperson_fk_idx ON ResourcePolicy(eperson_id);
+CREATE INDEX rp_epersongroup_fk_idx ON ResourcePolicy(epersongroup_id);
+
+CREATE INDEX epg2ep_eperson_fk_idx ON EPersonGroup2EPerson(eperson_id);
+
+CREATE INDEX workspace_item_fk_idx ON WorkspaceItem(item_id);
+CREATE INDEX workspace_coll_fk_idx ON WorkspaceItem(collection_id);
+
+CREATE INDEX workflow_item_fk_idx ON WorkflowItem(item_id);
+CREATE INDEX workflow_coll_fk_idx ON WorkflowItem(collection_id);
+CREATE INDEX workflow_owner_fk_idx ON WorkflowItem(owner);
+
+CREATE INDEX tasklist_eperson_fk_idx ON TasklistItem(eperson_id);
+CREATE INDEX tasklist_workflow_fk_idx ON TasklistItem(workflow_id);
+
+CREATE INDEX subs_eperson_fk_idx ON Subscription(eperson_id);
+CREATE INDEX subs_collection_fk_idx ON Subscription(collection_id);
+
+CREATE INDEX epg2wi_group_fk_idx ON epersongroup2workspaceitem(eperson_group_id);
+CREATE INDEX epg2wi_workspace_fk_idx ON epersongroup2workspaceitem(workspace_item_id);
+
+CREATE INDEX Comm2Item_community_fk_idx ON Communities2Item( community_id );
+
+CREATE INDEX mrc_result_fk_idx ON most_recent_checksum( result );
+
+CREATE INDEX ch_result_fk_idx ON checksum_history( result );
+

dspace/etc/oracle/database_schema.sql

@@ -97,6 +97,8 @@ CREATE TABLE FileExtension
   extension            VARCHAR2(16)
 );
 
+CREATE INDEX fe_bitstream_fk_idx ON FileExtension(bitstream_format_id);
+
 -------------------------------------------------------
 -- Bitstream table
 -------------------------------------------------------
@@ -117,6 +119,8 @@ CREATE TABLE Bitstream
    sequence_id             INTEGER
 );
 
+CREATE INDEX bit_bitstream_fk_idx ON Bitstream(bitstream_format_id);
+
 -------------------------------------------------------
 -- EPerson table
 -------------------------------------------------------
@@ -137,6 +141,11 @@ CREATE TABLE EPerson
   language            VARCHAR2(64)
 );
 
+-- index by email
+CREATE INDEX eperson_email_idx ON EPerson(email);
+
+-- index by netid
+CREATE INDEX eperson_netid_idx ON EPerson(netid);
 
 -------------------------------------------------------
 -- EPersonGroup table
@@ -157,6 +166,9 @@ CREATE TABLE Group2Group
   child_id  INTEGER REFERENCES EPersonGroup(eperson_group_id)
 );
 
+CREATE INDEX g2g_parent_fk_idx ON Group2Group(parent_id);
+CREATE INDEX g2g_child_fk_idx ON Group2Group(child_id);
+
 ------------------------------------------------------
 -- Group2GroupCache table, is the 'unwound' hierarchy in
 -- Group2Group.  It explicitly names every parent child
@@ -173,6 +185,9 @@ CREATE TABLE Group2GroupCache
   child_id  INTEGER REFERENCES EPersonGroup(eperson_group_id)
 );
 
+CREATE INDEX g2gc_parent_fk_idx ON Group2Group(parent_id);
+CREATE INDEX g2gc_child_fk_idx ON Group2Group(child_id);
+
 -------------------------------------------------------
 -- Item table
 -------------------------------------------------------
@@ -186,6 +201,8 @@ CREATE TABLE Item
   owning_collection INTEGER
 );
 
+CREATE INDEX item_submitter_fk_idx ON Item(submitter_id);
+
 -------------------------------------------------------
 -- Bundle table
 -------------------------------------------------------
@@ -197,6 +214,8 @@ CREATE TABLE Bundle
   primary_bitstream_id	INTEGER REFERENCES Bitstream(bitstream_id)
 );
 
+CREATE INDEX bundle_primary_fk_idx ON Bundle(primary_bitstream_id);
+
 -------------------------------------------------------
 -- Item2Bundle table
 -------------------------------------------------------
@@ -210,6 +229,8 @@ CREATE TABLE Item2Bundle
 -- index by item_id
 CREATE INDEX item2bundle_item_idx on Item2Bundle(item_id);
 
+CREATE INDEX item2bundle_bundle_fk_idx ON Item2Bundle(bundle_id);
+
 -------------------------------------------------------
 -- Bundle2Bitstream table
 -------------------------------------------------------
@@ -223,6 +244,8 @@ CREATE TABLE Bundle2Bitstream
 -- index by bundle_id
 CREATE INDEX bundle2bitstream_bundle_idx ON Bundle2Bitstream(bundle_id);
 
+CREATE INDEX bundle2bits_bitstream_fk_idx ON Bundle2Bitstream(bitstream_id);
+
 -------------------------------------------------------
 -- Metadata Tables and Sequences
 -------------------------------------------------------
@@ -269,6 +292,7 @@ CREATE VIEW dcvalue AS
 -- related to that item
 CREATE INDEX metadatavalue_item_idx ON MetadataValue(item_id);
 CREATE INDEX metadatavalue_item_idx2 ON MetadataValue(item_id,metadata_field_id);
+CREATE INDEX metadatavalue_field_fk_idx ON MetadataValue(metadata_field_id);
 CREATE INDEX metadatafield_schema_idx ON MetadataFieldRegistry(metadata_schema_id);
 
 -------------------------------------------------------
@@ -285,6 +309,8 @@ CREATE TABLE Community
   side_bar_text     VARCHAR2(2000)
 );
 
+CREATE INDEX community_logo_fk_idx ON Community(logo_bitstream_id);
+
 -------------------------------------------------------
 -- Collection table
 -------------------------------------------------------
@@ -307,6 +333,14 @@ CREATE TABLE Collection
   admin             INTEGER REFERENCES EPersonGroup( eperson_group_id )
 );
 
+CREATE INDEX collection_logo_fk_idx ON Collection(logo_bitstream_id);
+CREATE INDEX collection_template_fk_idx ON Collection(template_item_id);
+CREATE INDEX collection_workflow1_fk_idx ON Collection(workflow_step_1);
+CREATE INDEX collection_workflow2_fk_idx ON Collection(workflow_step_2);
+CREATE INDEX collection_workflow3_fk_idx ON Collection(workflow_step_3);
+CREATE INDEX collection_submitter_fk_idx ON Collection(submitter);
+CREATE INDEX collection_admin_fk_idx ON Collection(admin);
+
 -------------------------------------------------------
 -- Community2Community table
 -------------------------------------------------------
@@ -317,6 +351,9 @@ CREATE TABLE Community2Community
   child_comm_id  INTEGER REFERENCES Community(community_id)
 );
 
+CREATE INDEX com2com_parent_fk_idx ON Community2Community(parent_comm_id);
+CREATE INDEX com2com_child_fk_idx ON Community2Community(child_comm_id);
+
 -------------------------------------------------------
 -- Community2Collection table
 -------------------------------------------------------
@@ -366,6 +403,9 @@ CREATE TABLE ResourcePolicy
 -- authorization manager are select type=x, id=y, action=z
 CREATE INDEX resourcepolicy_type_id_idx ON ResourcePolicy(resource_type_id,resource_id); 
 
+CREATE INDEX rp_eperson_fk_idx ON ResourcePolicy(eperson_id);
+CREATE INDEX rp_epersongroup_fk_idx ON ResourcePolicy(epersongroup_id);
+
 -------------------------------------------------------
 -- EPersonGroup2EPerson table
 -------------------------------------------------------
@@ -379,6 +419,8 @@ CREATE TABLE EPersonGroup2EPerson
 -- Index by group ID (used heavily by AuthorizeManager)
 CREATE INDEX epersongroup2eperson_group_idx on EPersonGroup2EPerson(eperson_group_id);
 
+CREATE INDEX epg2ep_eperson_fk_idx ON EPersonGroup2EPerson(eperson_id);
+
 
 -------------------------------------------------------
 -- Handle table
@@ -411,6 +453,9 @@ CREATE TABLE WorkspaceItem
   page_reached      INTEGER
 );
 
+CREATE INDEX workspace_item_fk_idx ON WorkspaceItem(item_id);
+CREATE INDEX workspace_coll_fk_idx ON WorkspaceItem(collection_id);
+
 -------------------------------------------------------
 --  WorkflowItem table
 -------------------------------------------------------
@@ -431,6 +476,10 @@ CREATE TABLE WorkflowItem
 
 );
 
+CREATE INDEX workflow_item_fk_idx ON WorkflowItem(item_id);
+CREATE INDEX workflow_coll_fk_idx ON WorkflowItem(collection_id);
+CREATE INDEX workflow_owner_fk_idx ON WorkflowItem(owner);
+
 -------------------------------------------------------
 --  TasklistItem table
 -------------------------------------------------------
@@ -441,6 +490,9 @@ CREATE TABLE TasklistItem
   workflow_id	INTEGER REFERENCES WorkflowItem(workflow_id)
 );
 
+CREATE INDEX tasklist_eperson_fk_idx ON TasklistItem(eperson_id);
+CREATE INDEX tasklist_workflow_fk_idx ON TasklistItem(workflow_id);
+
 
 -------------------------------------------------------
 --  RegistrationData table
@@ -464,6 +516,9 @@ CREATE TABLE Subscription
   collection_id     INTEGER REFERENCES Collection(collection_id)
 );
 
+CREATE INDEX subs_eperson_fk_idx ON Subscription(eperson_id);
+CREATE INDEX subs_collection_fk_idx ON Subscription(collection_id);
+
 
 -------------------------------------------------------
 --  History table
@@ -497,6 +552,9 @@ CREATE TABLE EPersonGroup2WorkspaceItem
   workspace_item_id INTEGER REFERENCES WorkspaceItem(workspace_item_id)
 );
 
+CREATE INDEX epg2wi_group_fk_idx ON epersongroup2workspaceitem(eperson_group_id);
+CREATE INDEX epg2wi_workspace_fk_idx ON epersongroup2workspaceitem(workspace_item_id);
+
 ------------------------------------------------------------
 -- Browse subsystem tables and views
 ------------------------------------------------------------
@@ -511,6 +569,10 @@ CREATE TABLE Communities2Item
    item_id                 INTEGER REFERENCES Item(item_id)
 );
 
+-- Indexing browse tables update/re-index performance
+CREATE INDEX Communities2Item_item_id_idx ON Communities2Item( item_id );
+CREATE INDEX Comm2Item_community_fk_idx ON Communities2Item( community_id );
+
 -------------------------------------------------------
 -- Community2Item view
 ------------------------------------------------------
@@ -520,9 +582,6 @@ FROM Community2Collection, Collection2Item
 WHERE Collection2Item.collection_id   = Community2Collection.collection_id
 ;
 
--- Indexing browse tables update/re-index performance
-CREATE INDEX Communities2Item_item_id_idx ON Communities2Item( item_id );
-
 -------------------------------------------------------------------------
 -- Tables to manage cache of item counts for communities and collections
 -------------------------------------------------------------------------
@@ -578,6 +637,8 @@ CREATE TABLE most_recent_checksum
     result VARCHAR(64) REFERENCES checksum_results(result_code)
 );
 
+CREATE INDEX mrc_result_fk_idx ON most_recent_checksum( result );
+
 -- A row will be inserted into this table every
 -- time a checksum is re-calculated.
 
@@ -594,6 +655,8 @@ CREATE TABLE checksum_history
     result VARCHAR(64) REFERENCES checksum_results(result_code)
 );
 
+CREATE INDEX ch_result_fk_idx ON checksum_history( result );
+
 
 -- this will insert into the result code
 -- the initial results that should be 

dspace/etc/oracle/database_schema_142-15.sql

@@ -94,3 +94,68 @@ DROP TABLE ItemsByTitle CASCADE;
 DROP TABLE ItemsByDate CASCADE;
 DROP TABLE ItemsByDateAccessioned CASCADE;
 DROP TABLE ItemsBySubject CASCADE;
+
+----------------------------------------------------------------
+-- Add indexes for foreign key columns
+----------------------------------------------------------------
+
+CREATE INDEX fe_bitstream_fk_idx ON FileExtension(bitstream_format_id);
+
+CREATE INDEX bit_bitstream_fk_idx ON Bitstream(bitstream_format_id);
+
+CREATE INDEX g2g_parent_fk_idx ON Group2Group(parent_id);
+CREATE INDEX g2g_child_fk_idx ON Group2Group(child_id);
+
+CREATE INDEX g2gc_parent_fk_idx ON Group2Group(parent_id);
+CREATE INDEX g2gc_child_fk_idx ON Group2Group(child_id);
+
+CREATE INDEX item_submitter_fk_idx ON Item(submitter_id);
+
+CREATE INDEX bundle_primary_fk_idx ON Bundle(primary_bitstream_id);
+
+CREATE INDEX item2bundle_bundle_fk_idx ON Item2Bundle(bundle_id);
+
+CREATE INDEX bundle2bits_bitstream_fk_idx ON Bundle2Bitstream(bitstream_id);
+
+CREATE INDEX metadatavalue_field_fk_idx ON MetadataValue(metadata_field_id);
+
+CREATE INDEX community_logo_fk_idx ON Community(logo_bitstream_id);
+
+CREATE INDEX collection_logo_fk_idx ON Collection(logo_bitstream_id);
+CREATE INDEX collection_template_fk_idx ON Collection(template_item_id);
+CREATE INDEX collection_workflow1_fk_idx ON Collection(workflow_step_1);
+CREATE INDEX collection_workflow2_fk_idx ON Collection(workflow_step_2);
+CREATE INDEX collection_workflow3_fk_idx ON Collection(workflow_step_3);
+CREATE INDEX collection_submitter_fk_idx ON Collection(submitter);
+CREATE INDEX collection_admin_fk_idx ON Collection(admin);
+
+CREATE INDEX com2com_parent_fk_idx ON Community2Community(parent_comm_id);
+CREATE INDEX com2com_child_fk_idx ON Community2Community(child_comm_id);
+
+CREATE INDEX rp_eperson_fk_idx ON ResourcePolicy(eperson_id);
+CREATE INDEX rp_epersongroup_fk_idx ON ResourcePolicy(epersongroup_id);
+
+CREATE INDEX epg2ep_eperson_fk_idx ON EPersonGroup2EPerson(eperson_id);
+
+CREATE INDEX workspace_item_fk_idx ON WorkspaceItem(item_id);
+CREATE INDEX workspace_coll_fk_idx ON WorkspaceItem(collection_id);
+
+CREATE INDEX workflow_item_fk_idx ON WorkflowItem(item_id);
+CREATE INDEX workflow_coll_fk_idx ON WorkflowItem(collection_id);
+CREATE INDEX workflow_owner_fk_idx ON WorkflowItem(owner);
+
+CREATE INDEX tasklist_eperson_fk_idx ON TasklistItem(eperson_id);
+CREATE INDEX tasklist_workflow_fk_idx ON TasklistItem(workflow_id);
+
+CREATE INDEX subs_eperson_fk_idx ON Subscription(eperson_id);
+CREATE INDEX subs_collection_fk_idx ON Subscription(collection_id);
+
+CREATE INDEX epg2wi_group_fk_idx ON epersongroup2workspaceitem(eperson_group_id);
+CREATE INDEX epg2wi_workspace_fk_idx ON epersongroup2workspaceitem(workspace_item_id);
+
+CREATE INDEX Comm2Item_community_fk_idx ON Communities2Item( community_id );
+
+CREATE INDEX mrc_result_fk_idx ON most_recent_checksum( result );
+
+CREATE INDEX ch_result_fk_idx ON checksum_history( result );
+