Some embodiments relate to database systems. In particular, some embodiments concern an enterprise performance management planning operations at an enterprise database.
A business or enterprise may be interested in planning for future operations. For example, an enterprise might want to decide if new employees should be added to the business or if another manufacturing plant should be built. To facilitate this type of business planning, predicted values of future business data elements may be generated. For example, a business might predict future sales values (e.g., on a region-by-region basis as well as an overall sales value), profits, etc. Note that predicted future business values may be based on prior actual business values. For example, a business might predict or project that revenues next year will increase 5% as compared to this year's actual revenue.
Typically, an enterprise database storing actual business data may be used by a planning application executing at an application server to generate business predictions. The planning application may request actually business data then use those values to generate predicted data at the application server. The predicted data may then be included in reports, displays, etc. to facilitate business planning. Such an approach, however, may have performance implications. For example, substantial amounts of data may be transferred from the database to the application server and/or mass operations may need to be performed at the application server. Thus, it may be desirable to facilitate implementation of business planning in connection with an enterprise database in an efficient and accurate manner.
A business or enterprise may be interested in planning for future operations. For example, an enterprise might want to decide if new employees should be added to the business or if another manufacturing plant should be built. To facilitate this type of business planning, predicted or other values of future business data elements may be generated. For example, a business might predict future sales values (e.g., on a region-by-region basis as well as an overall sales value), profits, etc. Note that predicted future business values may be based on prior actual business values. For example, a business might predict or project that revenues next year will increase 5% as compared to this year's actual revenue.
Such an approach, however, may have performance implications. For example, substantial amounts of data may be transferred from the enterprise database 110 to the application server 150 and/or mass operations may need to be performed at the application server 150. According to some embodiments described herein, when only a fraction of the data may need to be displayed (e.g., at an aggregated level), and mass operations might be performed at the enterprise database 110, where the substantial amount of data resides, and/or calculations may be performed for the requested aggregates at the enterprise database 110 itself. Moreover, only the data requested to be displayed might be transmitted to the application server 150 or even directly to a User Interface (“UI”). For example,
The enterprise database 210 may communicate with one or more database applications (not shown in
The data of the enterprise database 210 may be received from disparate hardware and software systems, some of which are not inter-operational with one another. The systems may comprise, for example, a back-end data environment employed in a business or industrial context. The data may be pushed to the enterprise database 210 and/or provided in response to queries received therefrom.
Although embodiments are described with respect to the enterprise database 210, embodiments may also be implemented within one or more nodes of a distributed database, each of which comprises an executing process, a cache and/or a datastore. The data stored in the datastores of each node, taken together, may represent the full database, and the database server processes of each node operate to transparently provide the data of the full database to the aforementioned database applications. The enterprise database 210 may also or alternatively support multi-tenancy by providing multiple logical database systems which are programmatically isolated from one another.
The enterprise database 210 and each element thereof may also include other unshown elements that may be used during operation thereof, such as any suitable program code, scripts, or other functional data that is executable to interface with other elements, other applications, other data files, operating system files, and device drivers. These elements are known to those in the art, and are therefore not described in detail herein. Note that any of the embodiments described herein might be implemented with an in-memory enterprise database or any other type of database.
A database server process may receive requests for data (e.g., SQL requests from a database application), may retrieve the requested data from the actual business data 220 or from a cache, and may return the requested data to the requestor. In some embodiments, a database server process may include an SQL manager to process received SQL statements and a data access manager to manage access to stored data.
The enterprise database 210 may comprise and/or may be implemented by computer-executable program code. For example, the enterprise database 210 may comprise one or more hardware devices, including at least one processor to execute program code so as to cause the one or more hardware devices to provide a database server process. The enterprise database 210 may also include configuration files defining properties of the system (e.g., a size and physical location of each data volume, a maximum number of data volumes in a datastore, etc.). Moreover, the enterprise database 210 may typically include system files, database parameters, paths, user information and any other suitable information, including metadata describing the database objects that are stored therein. The actual business data 220 may comprise one or more data volumes in some embodiments, with each of the one or more data volumes comprising one or more disparate physical systems for storing data. These physical systems may comprise a portion of a physical hard disk, an entire physical hard disk, a storage system composed of several physical hard disks, and/or Random Access Memory (RAM).
According to some embodiments, the enterprise database 210 includes an Enterprise Performance Management (“EPM”) planning model 230 that describes how to access the actual business data 220. Note that the EPM planning model 230 may be executed at runtime where data can be accessed and manipulated. The EPM planning model 230 may be, for example, similar to programming code that instructs the runtime (at which time the runtime is executing on these instructions). The EPM planning model 230 may use the actual business data 220 to generate predicted values that may be stored at an instantiation of a plan data container 240 at the enterprise database 210. In particular,
At S310, actual business data in an enterprise database may be used in accordance with an EPM planning model, stored by a processor at an enterprise database, to automatically generate predicted business data. The EPM planning model might, for example, comprise a business simulation.
At S320, the predicted business data may be stored, by the processor, in an instantiation of a plan data container at the enterprise database. According to some embodiments, a plurality of users may share the actual business data in the enterprise database. In this case, each user may be associated with a different instantiations of the plan data container. Moreover, according to some embodiments, a single user may be associated with a plurality of instantiations of the plan data container. For example, a single user might store a pessimistic prediction in a first instantiation of the plan data container and an optimistic prediction in a second instantiation of the plan data container. Note that, as used herein, the phrase “plan data container” may refer to any abstraction of a container that operates as described herein. It may be instantiated for each user, and a single user might decide to create multiple instantiations to capture different simulations and/or predictions.
For example,
Consider, for example,
The apparatus 600 includes a processor 610 operatively coupled to a communication device 620, a data storage device 630, one or more input devices 640, one or more output devices 650 and a memory 660. The communication device 620 may facilitate communication with external devices, such as a reporting client, or a data storage device. The input device(s) 640 may comprise, for example, a keyboard, a keypad, a computer mouse or other pointing device, a microphone, knob or a switch, an infra-red (IR) port, a docking station, and/or a touch screen. The input device(s) 640 may be used, for example, to enter EPM planning data into apparatus 600. The output device(s) 650 may comprise, for example, a display (e.g., a display screen) a speaker, and/or a printer.
The data storage device 630 may comprise any appropriate persistent storage device, including combinations of magnetic storage devices (e.g., magnetic tape, hard disk drives and flash memory), optical storage devices, Read Only Memory (ROM) devices, etc., while the memory 660 may comprise Random Access Memory (RAM).
Program code associated with the EPM planning model 632 may be executed by a processor 610 to cause the apparatus 600 to perform any one or more of the processes described herein. Embodiments are not limited to execution of these processes by a single apparatus. According to some embodiments, data storage device 630 further includes persisted data such as columnar tables, delta structures and other data associated with a datastore, while the memory 660 may store columnar tables, delta structures and other data described above as being stored in a volatile memory. The data storage device 630 may also store data and other program code for providing additional functionality and/or which are necessary for operation thereof, such as device drivers, operating system files, etc.
The plan data container 840 might comprise, for example, a simple table used to let different planners have different instances of predicted data. Moreover, the plan data container 840 may define a planning structure by referring to a structure which in turn lists a set of fields 870 which reflect dimensions and measures of business data. The plan data container 840 may be altered by algorithms which provide a result that is applied to the plan data container 840, which can also be used as “input data” for other operations. According to some embodiments, the plan data container 840 supports different kinds of persistency levels, such as “transient”, “saved” and/or “published”.
The operations 850 may operate on a structure, consume input data, and produce results. Note that a result may, according to some embodiments, be used as input data such that a plan designer can stitch together a data flow graph of operations. Examples of operations 850 may include calculate, copy, combine, script, and/or lookup. If no appropriate operation 850 is available to express a desired operation, SQL Script (with planning extensions) might be used to code the operation. This may be considered as a planning specific programming language (“Exit”).
The result of an operation may be expressed as entities of an object. Input data may be associated with an abstract class representing all types of input data for an operation 850. For example, concrete classes of input data may include “plan data container”, “data source” and “result”. According to some embodiments, a parameter may replace any sub-class of data. In this sense, a parameter is so to say a configuration of the respective data object which is deferred from design time to runtime. The type definition may help the infrastructure decide if the model is correct. At runtime all parameter definitions associated with an action may be retrieved and provided with values by the client.
A planning algorithm may interface with the plan data container 840 via a query view. Moreover, the planning algorithm may execute operations 850 (e.g., copy, combine, etc.) such as a single activity that may or may not change the data in the plan data container 840. The planning algorithm may point to one result of one operation 850 that operates on a structure by consuming input data and producing a result. Note that a result may, according to some embodiments, be used as input data such that a plan designer can stitch together a data flow graph of operations 850. According to some embodiments, a single operation 850 is an instance of one specific operation offered by the EPM planning model. During instantiation, the interface of the specific operation 850 may need to be satisfied. This might be done explicitly or by defining a parameter which may stand in for missing values.
As used herein, an “action” may express all data changing activities that can be triggered by a user and/or the EPM planning model 830. Note that such a user interaction may require multiple planning activities, which may be represented by a sequence of algorithms. According to some embodiments, a single algorithm alters the data of one specific plan data container 840 and an action lists multiple algorithms (e.g., an action may act across multiple plan data containers 840).
Note that the field 870 may be associated with characteristics (which in turn may be associated with characteristic relationships and/or a hierarchy via a master data container) and/or key-figures. According to some embodiments, the field 870 comprises a representation of a field (column/element) in the context of planning and a data type and size can be either defined explicitly or by pointing to column in a data source. According to some embodiments multiple fields 870 may be combined into a structure that can be used is used to define a structure of the plan data container 840, a result and/or an “operation.”
Moreover, a query column and query data source may consist of multiple query data sources which might be either plan and/or actual data. Actual data might be modeled by specifying the name of an existing database entity or view. Plan data may be specified by pointing to a plan data container of an existing EPM planning model. It may also point to one (or more) actions defined in the same EPM planning model. Those actions may, for example, be used to enter data. Thus, only those actions may be used in a plan query data Source which provide a data entry algorithm for the plan data container 940 it points to.
According to some embodiments, an EPM planning model may use one or more operations to describe typical actions that might be performed by a planner. These operations may represent data manipulation algorithms specific for business planning. The operations may be built into an enterprise database and be used via SQL (e.g., an SQL extension).
Several types of operations will now be described. Note, however, that embodiments described herein may be used with respect any other EPM type of operation or action.
Typically, one copy part might be defined per input source, such that a copy part refers to an input data (source) and optionally a filter. If the input data had a filter defined already (e.g., when it is a data source), the two filters may be combined using an AND operator. For each copy part, one or more copy mappings may be defined. The copy operation 1110 may be repeated for every mapping that is defined.
According to some embodiments, CopyData 1120 may reference multiple InputData, and all InputData that are used in any CopyPart 1130. The CopyData 1120 may include a “yes/no” aggregation flag and contains 1 . . . n CopyPart 1130. The CopyPart 1130 may be associated with a CopyPartInput and reference to exactly one InputData. The CopyPart 1130 may be associated with a CopyFilter filterexpression and contain 1 . . . n CopyMapping or FieldMapping.
A ConstantFieldMapping 1140 may define a constant value for the (new) target field and be associated with a TargetField reference to one target field and a ConstantValue string. A NullFieldMapping 1150 may define a (new) target field to be set to NULL and be associated with a TargetField reference to one target field. A NameFieldMapping 1160 may define a (new) target field mapped to a different original field and be associated with a TargetField reference to one target field and an OriginalFieldName reference to a column name.
Note that, according to some embodiments, a source field can be mapped to multiple target fields. Moreover, for every CopyPart 1130 all target fields may need to be explicitly mapped with either ConstantFieldMapping 1140, a NullFieldMapping 1150 or a NameFieldMapping 1160. Even for identical names, a NameFieldMapping 1160 may be needed (in the design time model to avoid exposing any implicit behavior at design time).
By way of example, consider a first table:
a second table:
and a target structure:
According to some embodiments, the target structure may be filled from both the first table and the second table. In this case, the instances of CopyPart 1130 referring to the tables may specify how the missing fields are handled. For example,
CopyPart1 might indicate that:
and CopyPart2 might indicate that:
In this example, the following target structure will result from the copy operation 1110 when the aggregation flag is “false”:
Moreover, the following target structure would result from the copy operation 1110 when the aggregation flag is “true”:
Note that a CopyFilter may be applied on the input data source.
According to some embodiments, the lookup operation 1410 may express multiple lookup steps (quasi joins) in one operation. Lookup items may be used to define these single steps. When different lookup items affect the same target field, the execution of the different items may be serialized and subsequent steps may only take care of those rows that did not yet receive a lookup value (join partner). A default lookup value may be defined and used to search the join partner if the given key is not found.
The lookup operation 1410 may require exactly one internalInput of type result 1450 to hold data that requires additional information to be looked up in (potentially different) input data. In the typical use cases, this internal input will be a facts table. Moreover, a lookup operation 1410 can have one or more LookupItems 1420 which define the “quasi” join operation. Each LookupItem 1420 may contain one or more JoinFields 1430 and one or more TargetFields 1440. The set of JoinFields 1430 may define the key to be used for the lookup in the input data. In typical use cases, the input data will be a master data or a rules table. Note that when the key values from the internalInput table are not found in the input data, a second lookup for data may be made with the defaultLookupValue. The set of TargetFields 1440 may define which column values are to be transferred from the input data (via sourceFieldName) to the result 1450 (via the reference to a target field).
The result 1450 may represent the facts that need additional information provided by the lookup operation 1410. Note that while the lookup operation 1410 is similar to a join, the inner and left outer join may change the number of lines. The lookup operation 1410, in contrast, keeps the number of lines constant. The lookup operation also adds error handling to join operation and allows multiple lookups in one operation. The LookupItem 1420 may comprise a masterdata table and all field names (sourceFieldName and sourceKeyFieldName) may need to appear in this input data. Since this does not necessarily have a structure in the EPM mode, the field names may be used. Moreover, Lookup items may be serialized in runtime if they affect identical target fields. Subsequent lookup items will then only take care of the rows that were not covered by previous lookup items. The LookupTargetField 1440 may define the lookup behavior as read from source and write to target field. The set of LookupJoinFields 1430 may define the key to be used for the lookup from the master data table. Note that the defaultLookupValue may be used to look up data when the real key value is not found
In some cases, a planner might want to “disaggregate” information to separate (something) into its component parts. For example, a planner might define a worldwide profit and want a model to assume that 30% of that value is associated with Europe, 30% is associated with North and South America and 40% of the profit value is associated with Asia.
According to some embodiments, a request 1620 may refer to a target 1630 that defines which field is affected and whether or not a field (potentially the same field for self-reference) will be used to define the proportions to be used during disaggregation. If not proportion field is defined, the data will be distributed equally. As opposed to the DisaggregateByReference operation described with respect to
The DisaggregateByValueTarget 1630 may include a targetField to store the resulting values of a dis-aggregation request. The DisaggregateByValueTarget 1630 may also include a proportionField to define the proportions to be used when dis-aggregating a value down to the detailed level. When not present, an equal dis-aggregation method may be applied. According to some embodiments, roundingDigits may define the rounding precision to be applied during the dis-aggregation operation—for this specific target. If not present, the precision may be selected based on the dimensions of the targetField.
The DisaggregateByValueRequest 1620 may be associated with a filter that define the area that may be affected by the dis-aggregation request, a formula that define the total value to be disaggregated, and/or a target that refers to a target definition.
Note that the order of requests 1620 may be important. Consider, for example, two requests for dis-aggregation: A first request sets the total revenue for a product group to $1000345, and a second request sets the revenue for one product in this product group to $345. In this example, the request for the single product should be processed first. It will set the value to $345 as desired and then fixes it so that the request to disaggregate $1000345 for the product group will not alter the value for the single product.
According to some embodiments, DisaggregateByValueData 1640 may require additional objects at runtime, such as a DisaggregateFilter and a DisaggregateRequest. The latter, for example, may combine a Target and a Filter with the value to be disaggregated. Data might be disaggregated with equal distribution mode if no reference field is specified.
A multi-country enterprise may store monetary values associated with a number of different currencies. Moreover, the relationship between these currencies can vary over time.
The currency translation may be based on type of rates defined for a free set selection of data, such as category/account, category/account/flow, category/account/entity or any other dimensions. According some embodiments, profit and loss accounts may be translated with a spot rate for ERP data and an average rate for planning data. In some cases, an opening conversion rate or closing rate may be used for a transaction that occurs on a given day. According to some embodiments, a version of rate is a dedicated dimension to help manage flexible rate simulation on actual and budget data. The rate model may be, for example, defined in the masterdata and each financial model may be associated to a rate model. The currency translation rule(s) may be associated to a model via a task sequence that is executed on the fly as an EPM add-in by the end user. A planner may be able to define on the fly both a consolidation currency and a version of rate and a period of rate (or an overridden rate).
In some cases, an enterprise may be associated with a hierarchy of accounts. For example, a global enterprise may own a European company, a North American company, and an Asian company. Moreover, these accounts may own equity and or execute transactions with each other. As a result, duplicate values can occur when figures are consolidated.
For example, companies within a group may sell one another goods or services, pay rent or loan interest to one another, and/or perform any other transactions that are in reality a transfer of assets. In such cases, the parent company's financial statement may shows a note receivable as an asset, while the subsidiary company shows a note payable as a liability. When combined, an elimination entry created by the elimination operation 2010 may remove both since what has essentially occurred is just a cash transfer within the group (or the holding).
There are several calculation methods that may be implemented regarding these situations. For example, a full integration method may integrally consolidate the subsidiaries' financial figures in the holding balance sheet (assets and liabilities) and profit and loss chart. An equity method may substitute, in the holding balance sheet, to the subsidiaries' share book value held by the mother company, the corresponding part in the equity capital (including profit). A proportional consolidation method may substitute, in the holding profit and loss chart, the quote part of the assets and liabilities of the subsidiaries, held by the mother company. The profit and loss quote part may be added to the holding profit and loss. The conditions of the application of these methods may be defined by the planner.
According to some embodiments, an automatic adjustment may be performed before the elimination operation 2010. For example, in order to eliminate two amounts (one receivable for an entity and its payable counter-part for another entity belonging to the same holding), those two amounts may need to be equal. The automatic adjustment may compare amounts of a selection (including a payable account, for example) and its counter-selection (including receivable accounts, for example) to have them equal by adding a new entry that represents the difference between those two amounts. There are several methods that may be used to calculate this difference. For example, a higher amount method may compare, in absolute value, the lower total amount to the higher total amount and add a new entry related to the higher selection with difference as amount. A lower amount method may compare, in absolute value, the higher total amount to the lower total amount and add an new entry related to the lower selection amount with difference as amount. A selection method may compare the total amount of the counter-selection to the total amount of the selection and add a new entry related to the selection with the difference. A counter-selection method may compare the total amount of the selection to the total amount of the counter-selection and add a new entry related to the counter-selection with the difference as amount.
According to some embodiments, a hierarchy transformation may be linked to the elimination operation 2010. For example, once a value has been generated for elimination, a new entry may be created in a group hierarchy in order to create an “elimination” node. This node may, for example, may be the one that holds the value calculated by the elimination operation 2010. Consider for example, the following hierarchy of entities:
A result of the hierarchy transformation may be:
Thus, the elimination operation 2010, hierarchy transformation, hierarchy level post may work together to facilitate planning.
Thus, embodiments may provide operations for enterprise performance management related data manipulations (calculations, changes, adoptions, etc.). Embodiments may also be seen as new programming language/model for business planning. The database itself may fully support the lifecycle of instances of the model. Moreover, embodiments may allow for compilation (design time representation to runtime representation); runtime user specific model instantiation, calculation, storage of simulation data by the user; built in simulation; and/or server side management of versions of simulation data.
The foregoing diagrams represent logical architectures for describing processes according to some embodiments, and actual implementations may include more or different components arranged in other manners. Other topologies may be used in conjunction with other embodiments. Moreover, each system described herein may be implemented by any number of devices in communication via any number of other public and/or private networks. Two or more of such computing devices may be located remote from one another and may communicate with one another via any known manner of network(s) and/or a dedicated connection. Each device may comprise any number of hardware and/or software elements suitable to provide the functions described herein as well as any other functions. For example, any computing device used in an implementation of the systems herein may include a processor to execute program code such that the computing device operates as described.
All systems and processes discussed herein may be embodied in program code stored on one or more computer-readable media. Such media may include, for example, a floppy disk, a CD-ROM, a DVD-ROM, a Flash drive, magnetic tape, and solid state RAM or ROM storage units. Embodiments are therefore not limited to any specific combination of hardware and software.
Elements described herein as communicating with one another are directly or indirectly capable of communicating over any number of different systems for transferring data, including but not limited to shared memory communication, a local area network, a wide area network, a telephone network, a cellular network, a fiber-optic network, a satellite network, an infrared network, a radio frequency network, and any other type of network that may be used to transmit information between devices. Moreover, communication between systems may proceed over any one or more transmission protocols that are or become known, such as Asynchronous Transfer Mode (ATM), Internet Protocol (IP), Hypertext Transfer Protocol (HTTP) and Wireless Application Protocol (WAP).
Embodiments described herein are solely for the purpose of illustration. Those in the art will recognize other embodiments may be practiced with modifications and alterations to that described above.
The present application claims the benefit of U.S. Provisional Patent Application No. 61/909,003 entitled “ENTERPRISE PERFORMANCE MANAGEMENT PLANNING OPERATIONS AT AN ENTERPRISE DATABASE” and filed Nov. 26, 2013. The entire contents of that application are incorporated herein by reference.
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