A introduction to SQL using Oracle. Contribute to nminhquang380/Oracle-SQL development by creating an account on GitHub.

Aggregate functions in SQL are used to perform calculations on a set of values and return a single result. These functions operate on a group of rows and produce a single value as output. Some common ...

Hi!I often run queries on my company’s Data Warehouse, which runs DB2. Due to the nature of my permissions, I cannot create Views or new Tables – thus, everything generally has to be done in a ...

The article contains features of the implementation of aggregating functions for working with user-defined object data types in the Oracle DBMS in PL\\SQL. An example of implementation and using of ...