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Question: 1 Red Brick Decision Server is implemented on Windows NT by a ____________ that runs as a ____________. A - single multithreaded process, Windows NT service B - Windows NT service, single multithreaded process C - NTFS file system, Windows NT service D - none of the above Answer: A Question: 2 The ______________ collects statistics for the dynamic statistic tables (DSTs) and performs the actions specified by ALTER SYSTEM commands. A - listener thread (rbwlsnr) B - process checker thread (rbwpchk) C - administration Daemon Process (rbwadmd) D - Red Brick API thread (rbwapid) (rbwapid) Answer: C Question: 3 Target indexes and multi-column B-Tree on the foreign key columns of a tact table support:ti-column B-Tree on the foreign key columns of a A - Natural join B - TARGETJoin C - Star index D - Clustered index Answer: B Question: 4 Which of the following definitions describe the STAR index?definitions describe the STAR index? A - A sorted list of concatenated row IDs from the dimension tables named in the index keyatenated row IDs from the dimension tables name B - A bitmap index based on fact table rows C - An index built over multiple fact table columns D - A multi-table join index based on fact table foreign key values E - a and b F - a, b, c, and d G - a, c, and d H - c and d Answer: G Question: 5 The fill factor should always be set to 100% in cases of: A - Data spaces B - Star indexes C - TMU_REORG TEMPSPACE D - Small domain target indexes Answer: D
Question: 6 In cases where data is known to be skewed, the recommended target index domain should be: A - small B - normal C - large D - hybrid Answer: D Question: 7 The size of the memory work area for building indexes is set by which parameter? A - INDEX TEMPSPACE B - INDEX TEMPSPACE THRESHOLD C - INDEX MAXSPILLSPACE D - INDEX DIRECTORY MAXSIZE Answer: B Question: 8 The default Red Brick Decision Server index is a: Decision Server index is a: A - Star Index B - Target Index C - B-Tree Index D - Deferred Index Answer: C Question: 9 An ideal DSS STAR schema is said to be ____________ whereas a typical DLTP schema is saidhema is said to be ____________ whereas a typic to be highly____________.___. A - Normalized/denormalizedalized B - Factual/Dimensional C - Denormalized/normalized D - Current/historical Answer: C Question: 10 Which of the following describes a conformed dimension: A - Dimensions that have built-in hierarchies B - A dimension table that can be shared by one or more fact tables C - A set of attributes that change overtime D - All of the above Answer: B Question: 11 Fact tables in a data warehouse generally contain:
A - aggregate data B - descriptive text C - detail data D - both a and b E - both a and c Answer: E Question: 12 For a dimension table to participate in a STAR index, the table must be created with the ____ specification. A - CONSTRAINT B - MAX ROWS PER SEGMENT C - DATA IN D - DEFAULT Answer: B Question: 13 The purpose of the fill factor is:actor is: A - To tell a node when to split to split B - To reserve extra space in each nodeace in each node C - To specify when a node is 100% fullnode is 100% full D - None of the above Answer: B Question: 14 Views are useful for a wide variety of purposes, including:wide variety of purposes, including: A - Decreasing security B - Simplifying query constraintsonstraints C - Making administrative changes, such as database schema design changes visible to theve changes, such as database schema design cha users D - None of the above Answer: B Question: 15 Any table that is referenced by another table must have a: A - TARGET index B - STARindex C - Foreign key D - Primarykey Answer: D Question: 16 Decision-Support systems have (among others) the following characteristics A - Relational integrity B - Join paths based on business relations
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