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What is conceptual schema?
The schemas at the view level are known as subschema that describe dissimilar views of the database.
Why DML is used for? DML is used to Manipulation and processing of database. DML is provided for manipulation & processing of database. (Data stored in the database is processed
Removing a Synonym: DROP SYNONYM D30;
What is DML (Data Manipulation Language)? This language that enable user to access or manipulate data as organised by appropriate data model. Procedural DML or Low level: DM
Draw the precedence graph of the following schedule and determine whether the schedule is serializable. (Note that all instructions, except lock and unlock, are omitted. We assume
Compare the two log-based recovery schemes in terms of ease of implementation and overhead cost. Ans: There are two types of log based recovery techniques: deferred update
what is check point in database management system
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composite attribute
What are the object-oriented approaches Software systems which are designed with structured design methodology never support some of desired quality attributes for example reus
what characterizes the levels in RAID technology
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