Abstract: A method and system of querying a partitioned data set organized in a static hierarchy. The method includes receiving a query for data in the partitioned data set at a first node, applying the query to a virtual data set of the first node to determine at least one child node having a child virtual data set with data for the query, generating at least one sub query for the at least one child node, where the at least one sub query is based on the query, and sending the at least one sub query to the at least one child to process.

Abstract: Techniques for optimizing result presentation for a database query. A database query is received. The database query is performed with a clause indicating one or more offset values to be used in displaying results from the database query. The one or more offset values indicate a subset within the results from the database query to be presented. An order is imposed on the results from the database query. The subset is presented as determined by the one or more offset values.

Abstract: Embodiments regard maintaining data consistency between transactional and non-transactional data stores. Embodiments may include receiving a request to archive a set of data stored in a first data store, recording a high water mark in the first data store for the set of data, and archiving the set of data. Archiving the set of data may include copying the set of data into a second data store and inserting a high water mark for the set of data in the first data store and the second data store. Embodiments may further include updating a reference high water mark upon successful completion of operations for the archiving of the data, the reference high water mark representing completion of a last successful archive operation, and, upon receiving a query for requested data contained in the first or second data store, determining whether to allow viewing of the requested data based at least in part on a current value of the reference high water mark.

Abstract: Techniques for providing polymorphic query requests. A request is received that has at least a database query. The database query comprises at least an expression using a polymorphic relationship. The request is processed utilizing the polymorphic relationship. A user-readable result is provided for the query where the result is defined by at least the polymorphic relationship.

Abstract: In accordance with embodiments, there are provided mechanisms and methods for facilitating dynamically controlled fetching of data at client computing devices in an on-demand services environment in a multi-tenant environment according to one embodiment. In one embodiment and by way of example, a method includes receiving, at a server computing device, a request from a client computing device. The request includes a query for receiving data from a database coupled to the server computing device in an on-demand database system. The method may further include matching the request against a predetermine threshold value, and where the threshold value includes a first predetermined threshold range based on a first column range or a first row range and a second predetermined threshold range based on a second column range or a second row range.

Abstract: Techniques for providing polymorphic query requests. A request is received that has at least a database query. The database query comprises at least an expression using a polymorphic relationship. The request is processed utilizing the polymorphic relationship. A user-readable result is provided for the query where the result is defined by at least the polymorphic relationship.

Abstract: High performance data streaming is provided. An intermediate iterator receives a request to process streaming data in a parent request buffer from a parent iterator. The intermediate iterator sends a request to provide a batch of the streaming data in a request child buffer to a child iterator. The intermediate iterator receives the batch of the streaming data in a child response buffer from the child iterator. The intermediate iterator processes the batch of the streaming data. The intermediate iterator sends the processed batch of the streaming data in a response parent buffer to the parent iterator.

Abstract: High performance data streaming is provided. An intermediate iterator receives a request to process streaming data in a parent request buffer from a parent iterator. The intermediate iterator sends a request to provide a batch of the streaming data in a request child buffer to a child iterator. The intermediate iterator receives the batch of the streaming data in a child response buffer from the child iterator. The intermediate iterator processes the batch of the streaming data. The intermediate iterator sends the processed batch of the streaming data in a response parent buffer to the parent iterator.

Abstract: Techniques for providing polymorphic query requests. A request is received that has at least a database query. The database query comprises at least an expression using a polymorphic relationship. The request is processed utilizing the polymorphic relationship. A user-readable result is provided for the query where the result is defined by at least the polymorphic relationship.

Abstract: Techniques for optimizing result presentation for a database query. A database query is received. The database query is performed with a clause indicating one or more offset values to be used in displaying results from the database query. The one or more offset values indicate a subset within the results from the database query to be presented. An order is imposed on the results from the database query. The subset is presented as determined by the one or more offset values.

Abstract: Embodiments regard maintaining data consistency between transactional and non-transactional data stores. Embodiments may include receiving a request to archive a set of data stored in a first data store, recording a high water mark in the first data store for the set of data, and archiving the set of data. Archiving the set of data may include copying the set of data into a second data store and inserting a high water mark for the set of data in the first data store and the second data store. Embodiments may further include updating a reference high water mark upon successful completion of operations for the archiving of the data, the reference high water mark representing completion of a last successful archive operation, and, upon receiving a query for requested data contained in the first or second data store, determining whether to allow viewing of the requested data based at least in part on a current value of the reference high water mark.

Abstract: Techniques for optimizing result presentation for a database query. A database query is received. The database query is performed with a clause indicating one or more offset values to be used in displaying results from the database query. The one or more offset values indicate a subset within the results from the database query to be presented. An order is imposed on the results from the database query. The subset is presented as determined by the one or more offset values.

Abstract: Embodiments regard maintaining data consistency between transactional and non-transactional data stores. Embodiments may include receiving a request to archive a set of data stored in a first data store, recording a high water mark in the first data store for the set of data, and archiving the set of data. Archiving the set of data may include copying the set of data into a second data store and inserting a high water mark for the set of data in the first data store and the second data store. Embodiments may further include updating a reference high water mark upon successful completion of operations for the archiving of the data, the reference high water mark representing completion of a last successful archive operation, and, upon receiving a query for requested data contained in the first or second data store, determining whether to allow viewing of the requested data based at least in part on a current value of the reference high water mark.

Abstract: Techniques for providing polymorphic query requests. A request is received that has at least a database query. The database query comprises at least an expression using a polymorphic relationship. The request is processed utilizing the polymorphic relationship. A user-readable result is provided for the query where the result is defined by at least the polymorphic relationship.

Abstract: Techniques for providing polymorphic query requests. A request is received that has at least a database query. The database query comprises at least an expression using a polymorphic relationship. The request is processed utilizing the polymorphic relationship. A user-readable result is provided for the query where the result is defined by at least the polymorphic relationship.

Abstract: Techniques for optimizing result presentation for a database query. A database query is received. The database query is performed with a clause indicating one or more offset values to be used in displaying results from the database query. The one or more offset values indicate a subset within the results from the database query to be presented. An order is imposed on the results from the database query. The subset is presented as determined by the one or more offset values.

Abstract: Techniques for optimizing result presentation for a database query. A database query is received. The database query is performed with a clause indicating one or more offset values to be used in displaying results from the database query. The one or more offset values indicate a subset within the results from the database query to be presented. An order is imposed on the results from the database query. The subset is presented as determined by the one or more offset values.

Abstract: In accordance with embodiments, there are provided mechanisms and methods for facilitating dynamically controlled fetching of data at client computing devices in an on-demand services environment in a multi-tenant environment according to one embodiment. In one embodiment and by way of example, a method includes receiving, at a server computing device, a request from a client computing device. The request includes a query for receiving data from a database coupled to the server computing device in an on-demand database system. The method may further include matching the request against a predetermine threshold value, and where the threshold value includes a first predetermined threshold range based on a first column range or a first row range and a second predetermined threshold range based on a second column range or a second row range.

Abstract: Techniques for providing polymorphic query requests. A request is received that has at least a database query. The database query comprises at least an expression using a polymorphic relationship. The request is processed utilizing the polymorphic relationship. A user-readable result is provided for the query where the result is defined by at least the polymorphic relationship.

Abstract: Techniques for providing polymorphic query requests. A request is received that has at least a database query. The database query comprises at least an expression using a polymorphic relationship. The request is processed utilizing the polymorphic relationship. A user-readable result is provided for the query where the result is defined by at least the polymorphic relationship.