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What are the advantages and disadvantages of merging an association into a class? Advantages: i) Less number of tables ii) Faster performance due to the fewer tables
what is query processing ,query optimization and performance turring?
Let us now make the E-R diagram for the student database as per the explanation given in the previous section. We can also states the overall logical structure of a database usi
Retrieve the S&S In-Chapter Database (in Microsoft Access format) from the text's Web site (or create the tables in Table 4-5 in a relational DBMS product). Write queries to answer
I want to fragment existing table using java code... help me..!!
What is a B+-Tree index? A B+-Tree index takes the form of a balanced tree in which each path from the root of the root of the root of the tree to a leaf of the tree is of the
define anomalies and different types of anomalies with example
Where does view definition stored? A view definition is permanently stored as part of the database.
What are composite attributes? Composite attributes can be separated in to sub parts.
#questiontypes of keys examples..
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