Abstract: This Full Research Paper presents the most prominent query formulation errors in Structured Query Language (SQL), and maps these errors to their cognitive explanations. Understanding query ...

This morning my dad asked me to explain joins in SQL. He said, “Explain it to me so I know you actually understand it.” My stomach kind of dropped. I know how to write a join. I know how to get the ...

How do you explain a dynamic SQL statement after it is prepared?(DB2 LUW) Why would you want to do this? Explaining an SQL statement in the present, may not produce the same access plan that was ...

In database migration projects from Oracle to PostgreSQL, converting from the stored procedure language PL/SQL to PL/pgSQL is one of the most complex and difficult tasks. Many migration projects ...