⟩ Tell me what is CROSS JOIN?
CROSS JOIN defines a Cartesian product on the sets of records from two or more joined tables, where the number of rows in the first table is multiplied by the number of rows in the second table.
CROSS JOIN defines a Cartesian product on the sets of records from two or more joined tables, where the number of rows in the first table is multiplied by the number of rows in the second table.
Explain a checkpoint and When does it occur?
What is a hierarchical database?
What is PCBs (Program communication blocks)?
What is DL/I?
Explain a Database Server?
Explain What are the two types of OLTP?
What is network database?
Explain What are called Fat clients and Fat servers?
What is building blocks of Client/Server?
Explain What are Super servers?