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Oracle’s PL/SQL language has two basic mechanisms for getting data from the database: SELECT and cursors. SELECT is designed to return a single row into local variables; cursors give you the ability ...
In some cases, performance issues can arise with SELECT statements. The issue is that number of rows tends to grow rapidly as more tables are joined, as result set is de-normalized and contains a lot ...
The Edit Data window appears. Note: For this example you will edit the data, but if you wanted only to browse the data, you would select Browse Data... as the last step of the selection path. If the ...