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![]() 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 ... Set of parameters that provides access to an RDBMS. These parameters include system information such as the data account, user identification, and path to the database. Designer provides three types of Latest Answer : BO Designer supports three different types of connections, each denoted with a unique symbol in the list of connections:1. Personnal connections that users may create for freehand SQL or that universe designers create when testing new data sources. The ... A method by which Designer can decide which path to choose when more than one path is possible from one table to another in the universe.
Latest Answer : A context is a rule by which Designer can decide which of two paths to choose when more than one path is possible from one table to another. Contexts can be used to resolve loops in the universe.You can create contexts manually, or cause them to be detected ... 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 ... A situation that occurs when more than one path exists from one table to another in the universe.
Latest Answer : A loop is a situation that occurs when more than one path exists from one table to another. Loops result in ambiguity in the design of a universe. Designer enables you to identify loops in one of two ways:aliesContextsCheers,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 : Shortcut join allows to define an alternative, faster join path between two tables. without the use of a shortcut join, query would have to go through a huge fact table to create simple reference lists. Cheers,Ravi Kumar Garre ... 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 ... What is block? types of blocks?what is locking systm in universe?what is shortcut join where it is neccessary? Read Answers (1) | Asked by : naveen
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