Salesforce Com, Inc.

Bill C Eidson

Simon Zak Fell

James G Taylor

Kevin Oliver

Benji Jasik

Lexi Viripaeff

Craig David Weissman

Donovan Schneider

Donovan A Schneider

James Taylor

Craig Weissman

Simon Z Fell

In accordance with embodiments, there are provided mechanisms and methods for appending data to large data volumes in a multi-tenant store. These mechanisms and methods for appending data to large data volumes can enable embodiments to provide more reliable and faster maintenance of changing data. In an embodiment and by way of example, a method for appending data to large data volumes is provided. The method embodiment includes receiving new data for a database. The new data is written to a temporary log. The size of the log is compared to a threshold. Then the log is written to a data store, if the size of the log is greater than the threshold.

Methods and systems for appending data to large data volumes in a multi-tenant store

In accordance with embodiments, there are provided mechanisms and methods for performing transparent object migration across storage tiers. In an embodiment and by way of example, a method for appending data to large data volumes is provided. The method embodiment includes a) setting a CustomEntityOption bit that determines (at object creation time) where the object is stored, either in the relational or the non-relational data store portion, b) loading the CustomEntityOption bit in a cached CustomEntityDefinition, c) showing the CustomEntityOption bit as EntityInfo, and d) allowing custom object definition and Metadata API functionality when the bit is shown.

Methods and systems for performing transparent object migration across storage tiers

Methods and systems for performing cross store joins in a multi-tenant store are described. In one embodiment, such a method includes retrieving data from a multi-tenant database system having a relational data store and a non-relational data store, receiving a request specifying data to be retrieved from the multi-tenant database system, retrieving, based on the request, one or more locations of the data to be retrieved, generating a database query based on the request, in which the database query specifies a plurality of data elements to be retrieved, the plurality of data elements including one or more data elements residing within the non-relational data store and one or more other data elements residing within the relational data store, and executing the database query against the multi-tenant database system to retrieve the data.

Methods and systems for performing cross store joins in a multi-tenant store

In accordance with embodiments, there are provided mechanisms and methods for applying a group of instructions to metadata in the context of an on-demand database service. These mechanisms and methods for applying a group of instructions to metadata can enable embodiments that ensure that 'all or none' of the operations corresponding to the grouped instructions are performed. The ability of embodiments to provide such feature can prevent a scenario where only a portion of a desired effect is accomplished which, in turn, may complicate any effort to undo the same.

Method and system for applying a group of instructions to metadata

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Palo Alto, CA, United States of America

Bill C Eidson