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Objectives
Attributes having a one value for a particular entity. For instance, Age is a single valued attribute of a student entity. Attributes that have more than single values
What is data block? Data Block - In oracle the data blocks are referred to as tablespaces. A tablespace is an fields of disk consisting of one or more disk files. A tablespace
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
(a) Explain briefly the three parts of a relational Model. (b) Contrast the following terms with an appropriate example: (i) stored attribute v/s derived attribute (ii) en
What is schema
what are the limitations of dbms?
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
Explanation on Data Sharing?
Designing the fields in the data base The following are the considerations one has to remain in mind while designing the fields in the data base. Coding, compression, en
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