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Look at figure 14.3: This is exactly the SQL operation that is executed for a select i from Item i join fetch i.bids HQL or JPA QL query. Each Item is duplicated on the left side of the result table as many times as related Bid data is present. The List returned by the HQL or JPA QL query preserves these duplicates as references. Hello Sri, BO lets you set up an uncorrelated subquery using the query panel (I suppose this is old news to you). You could modify it into a correlated subquery by modifying the SQL with correlation names and applying the 'do not generate SQL' setting, but you will possibly run into trouble, cause objects retrieved will not comply with the SQL objects. Correlated Subqueries. Related terms: Query Processing. The preceding is a correlated subquery. Rather than completing the entire subquery and then turning to the outer query, the...SubQuery in SQL is a query inside another query. Before going to understand non-correlated and correlated subquery, let's see the table and data which we are going to use in this example.Are non-correlated subqueries faster than a correlated subquery? The data from the outer query and the subquery are independent and one execution of the subquery will work for all the rows from...This video explains how to write a Type II subquery. A Type II subquery is sometimes referred to as a correlated subquery.Перевод слова correlate, американское и британское произношение, транскрипция correlate — соотноситься correlate data — сопоставлять данные correlate equation — уравнение коррелат...The correlated subquery is one of the tricky concepts of SQL. It's similar to recursion in programming which many programmers struggle to understand, but like recursion...Mar 24, 2015 · A correlated nested query (or correlated subquery) is a subquery that has a different result depending on values in the row of the outer query for which the subquery executes. Feb 28, 2005 · A correlated subquery is a SELECT statement nested inside another T-SQL statement, which contains a reference to one or more columns in the outer query. Therefore, the correlated subquery can be said to be dependent on the outer query. This is the main difference between a correlated subquery and just a plain subquery.