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1. Determine that the Checkpoints are a part of Ans: Checkpoints are a part of Recovery measures
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
This constraint shows that the key attribute value in each tuple must be unique, i.e., no two tuples have the similar value for the key attribute. This is because the value of the
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
using the invoice table shown below,write the relational schema,draw a dependencies,inclunding all partial and transitive dependencies.assume that the table does not contain repeat
Read the description below and draw an Entity-Relationship diagram for it. You must use the symbols described in the course materials. This database will help the Parents Assocc
how can apply joins on table
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
Rearrange the Execution Order for Efficiency Rearranging execution order for efficiency means executing such job that requires less execution time. By rearranging the object
what is the importance of back up files
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