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Differance between DDL and SDL?
DDL and SDL - The data definition language (DDL) is used through DBA and database designers to describe internal schema, conceptual schema, and mappings between these two. In a few DBMSs, a clear separation is maintained among conceptual schema and internal schema. In that case, DDL is used to exact the conceptual schema only. The other language, storage definition language (SDL) is used to specify the internal schema. The mappings among the two schemas may be specified in either one of these languages.
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Develop a database broker framework to implement a persistence mechanism for the domain objects involved in the use case dealt with in Question 2. a. Specify the attribute type
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The Structured Query Language INTRODUCTION Database is an organised set of information about an entity having controlled redundancy and serves numerous applications. DBMS
distributed quey processing
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to develop elrctronic database from manual forms
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(a) What is a Sub-Query? (b) What is the difference between a scalar sub-query and a tabular sub-query? (c) Write an equivalent SQL statement to get the Name of Product wh
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