A2090-421 無料問題集「IBM Assessment: InfoSphere DataStage v8.5」

（A）Jobs using this parallel shared container need to be re-compiled.

（B）Jobs using this parallel shared container need to be re-compiled only when the metadata of the container is changed.

（C）Use usage analysis and multi-compile to re-compile job using this shared container.

（D）You can create a sequencer to re-compile all of the routines using this shared container.

（A）CFF does not support flattening for redefined fields.

（B）Within CFF, use the Complex File Load Option window with "Flatten all arrays" option selected. CFF will handle flattening automatically.

（C）Select the Records ID tab on the Stage page. Select a record from the Records list. Select the column(s) with the redefine from the Column list. Within CFF, use the Complex File Load Option window with "Flatten selective arrays" option selected.

（D）Within CFF, use the Complex File Load Option window with "Flatten selective arrays" option selected. Select the array with redefine column(s) and click redefine check box option.

（A）Next to the connector stage it is best to use the native parallel database stages.

（B）For maximum parallel performance, scalability, and features it is best to use the native parallel database stages.

（C）The connector stage offers better functionality and performance and is the best to use.

（D）ODBC API is a plug-in stage.

（A）An input column value flows into a target column only if it matches it by name.

（B）An input column value flows into a target column based on its position in the input row. For example, first column in the input row goes into the first target column.

（C）An input column value flows into a target column only if it is explicitly mapped to it.

（D）An input column value flows into a target column based on its position in a Schema file.

（A）Specify only the key columns which are necessary.

（B）Use the stable-sort option to avoid the random ordering of non-key data.

（C）Run the job sequentially so that only one sort process is invoked.

（D）Adjust the "Restrict Memory Usage" option in the Sort stage.

（E）Minimize the number of sorts used within a job flow.

（A）Type

（B）Dependent upon

（C）Include Read only objects

（D）Where used

（A）Business Glossary Administrator

（B）Common Metadata User

（C）Information Analyzer User

（D）Common Metadata Administrator

（E）DataStage Administrator

（A）Flag marking segment as valid or invalid.

（B）Schema of Data Set.

（C）Path names of all data files on all processing nodes.

（D）Statistical information such as number of records in the segment and number of bytes.

（E）Copy of the configuration file used when segment was created.

（A）Lookup stage

（B）Funnel stage

（C）Merge stage

（D）Peek stage

（E）Join stage

（A）1 + @NUMPARTITIONS * @INROWNUM

（B）NextSurrogateKey()

（C）@PARTITIONNUM + @NUMPARTITIONS

（D）@INROWNUM