Umbraco v7 Database cleanup. After pulling in an umbraco database from production, you don't need all history or log.

umbraco v7 db cleanup.sql

-- Umbraco Clear Old Document Versions To Decrease Database Size And Improve Performance
-- http://borism.net/2008/12/16/fixing-a-large-cmspropertydata-table-in-umbraco/
DECLARE @createdDate Datetime = DATEADD(m, -1, getdate())

-- dump logs
-- TRUNCATE TABLE umbracolog -- faster if log table is very big and you don't need anything
DELETE FROM umbracolog WHERE Datestamp < @createdDate

-- clean up old versions
DELETE FROM cmsPropertyData WHERE
    versionId NOT IN (SELECT versionId FROM cmsDocument WHERE updateDate > @createdDate OR published = 1 OR newest = 1) AND
    contentNodeId IN (SELECT DISTINCT nodeID FROM cmsDocument)
DELETE FROM cmsPreviewXml WHERE
    versionId NOT IN (SELECT versionId FROM cmsDocument WHERE updateDate > @createdDate OR published = 1 OR newest = 1) AND
    nodeId IN (SELECT DISTINCT nodeID FROM cmsDocument)
DELETE FROM cmsContentVersion WHERE
    versionId NOT IN (SELECT versionId FROM cmsDocument WHERE updateDate > @createdDate OR published = 1 OR newest = 1) AND
    ContentId  IN (SELECT DISTINCT nodeID FROM cmsDocument)
DELETE FROM cmsDocument WHERE
    versionId NOT IN (SELECT versionId FROM cmsDocument WHERE updateDate > @createdDate OR published = 1 OR newest = 1) AND
    nodeId IN (SELECT DISTINCT nodeID FROM cmsDocument)

--http://blog.dampee.be/post/2015/11/28/Remove-Old-versions-of-Umbraco-Previews.aspx
delete
--select *
from cmsPreviewXml
where versionId in (
    select cmsPreviewXml.versionId
    from cmsPreviewXml join cmsDocument on cmsPreviewXml.versionId=cmsDocument.versionId
where cmsDocument.newest <> 1)

-- set the database to simple recovery (IMPORTANT: don't do this on a live site!)
ALTER DATABASE CURRENT SET RECOVERY SIMPLE;

-- shrink the database files
CHECKPOINT;
GO
CHECKPOINT; -- run twice to ensure file wrap-around
GO

DBCC SHRINKDATABASE(0);
GO

DECLARE @dbName VARCHAR(100)
SELECT @dbName = name FROM sys.master_files WHERE database_id = db_id() AND type = 0
DBCC SHRINKFILE(@dbName, 0, TRUNCATEONLY);
GO

DECLARE @logName VARCHAR(100)
SELECT @logName = name FROM sys.master_files WHERE database_id = db_id() AND type = 1
DBCC SHRINKFILE(@logName, 200); -- unit is set in MBs
GO