Now that we have loaded the data we can code a query to walk the hierarchy using recursive SQL. Suppose we need to report on the entire organizational structure under LIL BOSS. The following recursive ...

Older hierarchical databases only allow a record ... For comparison, the equivalent SQL query to return all of the students in CS 101 would be something like SELECT student.name FROM courses ...

Developers can use the ORDER SIBLINGS BY feature of Oracle 10g and later to sort the records in a hierarchy created by the START WITH and CONNECT BY clauses in a SELECT statement. Oracle’s START ...

After a change in title due to another company’s copyright on the word SEQUEL, Structured Query Language (SQL) was taken up by database companies like Oracle alongside their new-fangled ...