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Author Question: The delimiters for embedding PHP code in a web page are ________. A) and B) C) D) php and ... (Read 20 times)

jace

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on: Jul 7, 2018
The delimiters for embedding PHP code in a web page are ________.
 
  A)  and
  B)
  C)
  D) php and ?

Question 2

Briefly explain the strategy of two-phased locking.
 
  What will be an ideal response?


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LVPMS

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Reply #1 on: Jul 7, 2018
Answer to Question 1

C

Answer to Question 2

Two-phased locking is a strategy to ensure the serializability of transactions. A transaction is allowed to obtain locks as necessary, but once the first lock is released no other locks may be obtained. This produces the two-phased effectthe growing phase in which locks are obtained and the shrinking phase as locks are released.


jace

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Reply 2 on: Jul 7, 2018
Gracias!

mohan

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Reply 3 on: Yesterday
Excellent

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