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Explain Dynamic Two-Phase Locking Here a transaction locks a data item instantly earlier than any operation is applied on the data item. After finishing all the operations on
What is the purpose of tables, private synonyms and public synonyms? If there are multiple objects of similar name on an Oracle database, that order are they accessed in? The r
What is an ER diagram? Why is it used in Database management system (DBMS)?
What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
explain ER Modeling?
Submission Requirements All answers must be computer generated (including text and diagrams). The hand-in version must include a header page (or with sufficient space)
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
These are interactive interfaces, graphical that hide the difficulty of the DBMS and query language behind an intuitive, simple to understand, and convenient interface. This permit
comparison of oracle RDBMS with MySQL
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