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What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
What is difference among mysql_connect and mysql_pconnect? Mysql_connect() opens a new connection to the database while mysql_pconnect() opens persistent connection to the data
PART MARKING: We will only mark TWO of the four questions below but you must submit answers to all four. We will choose the questions we mark randomly and we will supply you with
Which element in the database can modified by changing the data dictionary? Data elements in the database can be changed or modified through changing the data dictionary.
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What is Trigger? Trigger: A database trigger is procedural code which is automatically executed in response to specific events on a particular table in a database. Triggers can
what is object-identity
Where does view definition stored? A view definition is permanently stored as part of the database.
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
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