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Explain Instance and schemas?
Instances and schemas: Databases changes over time as the information is deleted and inserted. The collection of information stored in database at a particular moment in time is known as Instances and the whole design of database is known as schemas.
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
What is the difference between internal tables and extract datasets? The lines of an internal table always have the similar structure. By using extract datasets, you can ha
Create an index for the table Client, field CLIENT_NO of Q ? Command: CREATE INDEX client_client_no ON client(client_no);
why are older data models are being replaced by new data models
explain various steps uses in evaluation and maintenance of MIS.
Modular growth: In distributed environments, it is simple to expand. Latest sites can be added to the network without affecting the operations of other sites, as they are somewhat
what is check point in database management system
What is ODBC ? ODBC - Open DataBase Connectivity which is also denoted by ODBC enable the integration of SQL along with a common-purpose programming language. ODBC expose data
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