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What is database utility?
Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
Benefits and Limitations od Data Models?
a brief definition
What are the categories of SQL command? SQL commands are separated in to the following categories: 1. Data - Definitition Language 2. Data Manipulation language 3. Dat
Explain the term High level DML? High level DML A high-level or non-procedural DML permit the user to specify what data is needed without specifying how it is to be acquired.
What is Conceptual Schema? Conceptual Schema - Conceptual schema elaborates the structure of the overall database for a community of users. It hides the details of physical sto
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Three way to handle missing field val
projects?
What is a view? A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived f
What are referential integrity constraints? A value that appears in single relation for a given set of attributes also appears for a particular set of attributes in another rel
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