When decreasing the indention within a cell, choose the Decrease Indent button from the Alignment group on the Home tab.
Answer the following statement true (T) or false (F)
True
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Calculate the cardinality and minimum cost for each of the following Join operations:
? a hash index with no overflow on the primary key attributes, roomNo/hotelNo in Room; ? a clustering index on the foreign key attribute hotelNo in Room; ? a B + -tree index on the price attribute in Room; ? a secondary index on the attribute type in Room. nTuples(Room) = 10000 bFactor(Room) = 200 nTuples(Hotel) = 50 bFactor(Hotel) = 40 nTuples(Booking) = 100000 bFactor(Booking) = 60 nDistinct hotelNo (Room) = 50 nDistinct type (Room) = 10 nDistinct price (Room) = 500 min price (Room) = 200 max price (Room) = 50 nLevels hotelNo (I) = 2 nLevels type (I) = 2 nLevels price (I) = 2 nLfBlocks price (I) = 50 J1: Hotel hotelNo Room Assume nBuffer = 100 J2: Hotel hotelNo Booking J3: Room roomNo Booking J4: Room hotelNo Hotel J6: Booking roomNo Room
Depending on the syntax rules of the programming language you use, you place the subscript within parentheses or square brackets following the group name.
Answer the following statement true (T) or false (F)
To add a blank row at the top of a report you created, click anywhere in the first row of the report and then click the ________ button
A) Grouping & Totals B) Views C) Controls D) Tools
The REP table consists of the sales representatives' number, last name, first name, address, total commission, and ____.
A. total sales B. commission rate C. customers D. order number