Physical Schema Physical Display Folder

Physical Elements 14-9 The physical column tag includes the following child elements: Syntax PhysicalColumn … extName= dataType= length= nullable= precision= scale= rowCount= precision The precision of the data type of the column. scale The scale of the data type of the column. rowCount The latest number of rows retrieved for this physical column. lastUpdated The time at which row counts were last updated for this physical column. valueType Applies to Siebel OM data sources only. Indicates the cardinality of the value of the column. Valid values include: ■ One to One DefaultUnknownSingle-valued ■ Many to One Picklist ■ One to Many Multi-valued ■ Many to Many Multi-valued mappedColumn Applies to Siebel OM data sources only. The name of the mapped column. Corresponds to the field of the same name for the multi-valued group MVG business component. MVLinkName Applies to Siebel OM data sources only. The name of the link used in the Siebel business component. specialType Valid values are LUD or None. LUD stands for Last Update Date. This attribute is currently used only for ADF data sources. It is used to indicate that the column should be checked when performing ETL operations. Table 14–9 Physical Column Child Elements Element Name Description DynamicName If a session variable is being used to specify the name of this physical column, this element references that session variable. The session variable is contained in a sub-element called RefVariable. SourceColumn For physical columns in an alias table only. References the physical column that is being used as the source for this column. The physical column is contained in a sub-element called RefPhysicalColumn. PicklistColumns A list of physical columns to which the picklist is mapped. Each physical column is contained in a sub-element called RefPhysicalColumn. Table 14–8 Cont. Physical Column Tag Attributes Attribute Name Description 14-10 Oracle Fusion Middleware Integrators Guide for Oracle Business Intelligence Enterprise Edition lastUpdated= valueType= mappedColumn= MVLinkName= specialType= DynamicName RefVariable … DynamicName SourceColumn RefPhysicalColumn … SourceColumn PicklistColumns RefPhysicalColumn … PicklistColumns PhysicalColumn Example PhysicalColumn name=DOLLARS parentName=quot;Forecastquot;...quot;Forecastquot; parentId=3001:681 id=3003:685 uid=765 dataType=DOUBLE scale=0 precision=0 nullable=true extName=TableFORECASTDOLLARS lastUpdated=2001-01-01 00:00:00 Description PhysicalColumn

14.7 Connection Pool

The connection pool element corresponds to the connection pool object in the Physical layer. The connection pool tag includes the following attributes: Table 14–10 Connection Pool Tag Attributes Attribute Name Description bulkInsertBufferSize Used for limiting the number of bytes each time data is inserted in a database table. The value is given in kilobytes KB. transactionBoundary Controls the batch size for an insert in a database table. unicodeDB This attribute is typically set to true when working with columns of an explicit Unicode data type, such as NCHAR, in an Unicode database. tempTablePrefix The first two characters in a temporary table name. The default value is TT. tempTableOwner Table owner name used to qualify a temporary table name in a SQL statement, for example to create the table owner.tablename. tempTableDatabase Database where the temporary table will be created. This property applies only to IBM OS390, because IBM OS390 requires the database name qualifier to be part of the CREATE TABLE statement.