 Related Questions 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.
Latest Answer : it is also called INNER JOIN ... 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.
Latest Answer : Relational operation that causes two tablesCheers,Sithu ... An object that is derived from an aggregate function. It conveys numeric information by which a dimension object can be measured.
Latest Answer : An object derived from aggregate function, that is know as mesure objectCheers,Sithu ... 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.
Latest Answer : A. short cut joins are used to improve the query performance at universe level i.e. for performance tuning. Suppose if we have 4 tables A,B,C and D A--->B---->C---->D and there is a chance to link A--->D but we should not link (causes loop) ... 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 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 ... A mapping of the data structure found in databases: tables, columns, joins, etc. A universe, which is made up of classes, objects, and conditions, can represent any specific application, system, or group Latest Answer : An universe is an symanteic layer between the user and the Designer which contains connection of a database ...
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