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Define Assertions in SQL
a. An assertion is a predicate that is expressing a condition we wish the database to always satisfy.
b. Domain constraints, functional dependency and referential integrity are unique forms of assertion.
c. In which a constraint cannot be expressed in these forms, we use an assertion, for example
Conflicting Operations in Schedule: The three simple ways of interleaved instruction implement of transactions T1 and T2. Please note that in the following tables the first col
Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
Define shadow paging. An alternative to log-based crash recovery method is shadow paging. This technique requires fewer disk accesses than do the log-based methods.
A database named yourusernameFMA has been set up for you to use for this assignment. For the FMA you must create the required tables and run the queries using this database. If y
How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
This report identifies and outlines my CIS 499 project named Traffic Data Management Systems (TDMS) . My goal is to design a replica of all traffic issues to be implemented i
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
Cardinality of Relationship One-to-One Only one entity of the first set is linked to only one entity of the second set. E.g. A teacher teaches a student. Only one teacher
What is the max. no. Of structures that can be included in a table or structure. Nine.
Normalize the following tables upto and including the 3NF. Submit a 1 page printout of only the final set of normalized tables in Data Architect. Just use Data Architect to do the
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