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 BO Designer  |  Question 108 of 114    Print  
how to add aggregate tables to a schema in real time scenario

  
Total Answers and Comments: 0 Last Update: December 18, 2007     Asked by: Ayodhya.g 
  
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A situation in which a query includes two or more tables that are not linked by a join. If executed, this type of query retrieves all possible combinations between each table and may lead to inaccurate 
Latest Answer : Table A having m records and Table B having n records then the cartesian prodcut is mXn. Regards,Ravi Kumar Garreravi_kumar_garre@yahoo.co.in ...
A join based on the equality between the values in the column of one table and the values in the column of another. Because the same column is present in both tables, the join synchronizes the two tables.  
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A relational operation that causes two tables with a common column to be combined into a single table. Designer supports equi-joins, theta joins, outer joins, and shortcut joins.  
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An object that is derived from an aggregate function. It conveys numeric information by which a dimension object can be measured.  
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A join that links two tables, one of which has rows that do not match those in the common column of the other table.  
Latest Answer : Outer Join - method of retreiving selected rows from one table that doesn't match rows with the other table.Ex: Consider A & B two tablesSELECT eno, ename, a.dno, dname FROM a,bWHERE a.dno=b.dno;Output:Eno        ...
A join that links two tables by bypassing one or more other tables in the universe.  
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Scripts that automatically extract structural information about tables, columns, joins, or cardinalities from a database. Designer provides default strategies but a designer can also create strategies. 
Latest Answer : A strategy is a script that automatically extracts structural information from a database. Designer provides a number of default strategies you can use. These are strategies for extracting joins, detecting cardinalities, and creating default classes and ...
The graphical component within the main Designer window that shows the schema of the universe. It reflects the underlying database structure of the universe.  
Latest Answer : Insert tables in the Structure pane1 Select the Tables command from the Insert menu.2 In the Table Browser, click the tables you want to add to the universe structure.To select several contiguous tables, hold down the Shift key, then click the ...
The graphical component within the main Designer window that lets you create the classes and objects of the universe from the tables and columns of a database.  
Latest Answer : Table Browser is an independent window that displays the table available in the connected database.You can insert the tables into structure pane by double clicking the tables in the table browser r by selecting the table & dragging it into structure ...
A join that links tables based on a relationship other than equality between two columns.  
Latest Answer : Theta join—A theta join is created when the data in two fields from two tables is related via some comparison operator other than equals (=). For example, a not-equal join relates data using the not equal operator (). For example, suppose you want to ...

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