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Recovery Techniques:After Reading the types of failures and database errors, let us talk about how to recover from the failures. Recovery can be complete using/restoring the previous consistent state (backward recovery) or by moving forward to the next consistent state as per the committed transactions recovery (forward recovery). Please note that a system can recover from software and hardware failures by using the forward and backward recovery only if the system log is intact. What is the system log? We will talk about it in more detail, but first let us describe forward and backward recovery.
notes about update opreation
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
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
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
Explain Superkey Ans: A superkey is described in the relational model of database organization like a set of attributes of a relation variable for which it holds that in all re
Describe Object Relational model ? Object Relational Model - This model combines the characteristics of both relational model and object oriented model. It extends the tradit
Which language used in application programs to request data from the DBMS is referred? Language which is used in application program is DML to request data from the DBMS is ref
3. (10 points) Assume that you have been presented with the following relation for the Baxter Aviation database: Charters (Pilot#, Pilot name, Aircraft ID#, #seats, Village, Fligh
write an SQL statement to create the database in MYSQL server
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