Cross Joins A cross join produces a Cartesian product of the tables involved. In other words, it matches all the rows from one table to each of the rows in the other table. If no filter is used, the number of rows in the result set is the number of rows in one table multiplied by the number of rows in the other. If you want to produce all possible combinations of jobs and departments, you can write the query shown in Listing 1−11 using the old−style syntax, which, in the case of cross joins, is also SQL−89 compliant - Study24x7
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trilok sharma
12 Apr 2019 05:26 PM study24x7 study24x7

Cross Joins A cross join produces a Cartesian product of the tables involved. In other words, it matches all the rows from one table to each of the rows in the other table. If no filter is used, the number of rows in the result set is the number of rows in one table multiplied by...

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