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Define the terms
i) DDL
ii) DML
DDL: Data base schema is specified by a set of definitions expressed by a special language known as a data definition language.
DML: A data manipulation language is a language that enables users to access or manipulate data as organized by the suitable data model.
explaination
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a) Suppose we updated the catalog tables in real time, that is, after every update, insert, or delete SQL statement were executed-rather than only running RUNSTATS once every few
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
Atomicity: It describes a transaction to be a one unit of processing. We can also say either a transaction will be finished completely or not at all. In the transaction example 1
Natural Join : It is the similar like Equi join except one of the duplicate columns is removed in the result table. The natural join is the most usually used form of join operation
how many types of data model in DBMS? explain data abstraction with its different level
Question: (a) One of the steps in the five-step problem-solving model is implementation. Implementation is considered a key step in the problem-solving model. A problem may be
Fourth Normal Form (4NF) When attributes in a relation have multi-valued dependency, further Normalization to 4NF and 5NF are needed. Let us first find out what multi-valued d
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
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