In this module, students will explore single-row functions in Oracle SQL, focusing on character, number, conversion, and null-handling functions, as well as conditional logic and introductory regular ...
PL/SQL is Oracle’s procedural language extension to SQL, designed to enhance SQL’s data-handling capabilities with powerful programming constructs such as loops, conditionals, variables, and exception ...
A REF CURSOR is a PL/SQL data type that represents a pointer to a server-side result set generated by executing a query. A REF CURSOR type enables input and output streaming of data and is ideal for ...
One of the presentations I enjoyed at Rocky Mountain Oracle Users Group (RMOUG) Training Days 2010 was Stephen Jackson’s presentation “Using SQL to Generate SQL.” I have used some of the techniques he ...
Abstract: Aggregation functions such as COUNT, SUM, AVG, MAX, and MIN are basic tools for summarizing data in SQL. However, their behavior can be affected by several factors such as the occurrence of ...
The chapters begin with relational foundations and database tools, then move through Oracle SQL, data changes, constraints, query plans, PL/SQL, security, recovery, and JavaScript application access.