SQL QMF Select Query Using Aliases - Mainframe DB2 Practical Tutorial - Part 20(Volume Revised)
Автор: Kumar ITChannel
Загружено: 2020-08-08
Просмотров: 2237
DB2 for Mainframe z/OS is a relational database management system that runs on the mainframe.A relational database is a database in which all of the data is logically contained in tables. These databases are organized according to the relational model. In a relational database, referential integrity ensures data integrity by enforcing rules with referential constraints, check constraints, and triggers. You can rely on constraints and triggers to ensure the integrity and validity of your data, rather than relying on individual applications to do that work.DB2 is software that you can use to manage relational databases.
SQL QMF Select Query Using Aliases - Mainframe DB2 Practical Tutorial - Part 20, In this video you will learn about SQL QMF Select Query Using Aliases in mainframe DB2
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