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What is View?
A simple view can be thought of as a subset of a table. It can be used for retrieving data, as well as updating or deleting rows. Rows updated or deleted in the view are updated or deleted in the table the view was formed with. It should also be noted that as data in the original table changes, so does data in the view, as views are the way to look at part of the original table. The results of using a view are not permanently stored in the database. The data accessed by a view is actually constructed using standard T-SQL select command and can come from one to many dissimilar base tables or even other views.
Q. A. Which gates are called Universal Gates? Why? B. State and prove any one of the DeMorgen's Laws. Show that these theorems can be extended up to any number of variables.
Explain that the lost acknowledgement does not necessarily enforce retransmission of the packet . To guarantee reliable transfer, protocols utilize positive acknowledgement al
Binning process is very helpful to save space. Performance may differ depending upon the query generated sometimes solution to a query can come within some seconds and sometimes it
VuGen gives the facility to use multithreading. This enables more Vusers to be run pergenerator. If the Vuser is run as a process, the similar driver program is loaded into memory
Explain the term middleware in context of RPC. A variety of commercial tools have been urbanized to assist the programmer in constructing client- server software. These tools a
Address phase timing: On the rising edge of clock 0, the initiator notes IRDY # and FRAME# both high, and GNT# low, so it drives the command, address and asserts FRAME# in tim
The number of control lines for 32 to 1 multiplexer is ? Ans. For 32 (2 5 ) the number of control lines and to select one i/p between them total 5 select lines are needed.
The process of importing data from one more Access database follows these common steps they are. ? Preparing the document for import operation and make ensure that extensions ar
Q. Using Library methods returns number of threads? #include void subdomain(float x[ ], int istart, int ipoints) { int i; for (i = 0; i x[istart+i] = 123.456;
Add 20 and (-15) using 2's complement ? Ans. Addition of 20 and (-15) by using 2's complement as (20) 10 = 1 0 1 0 0 (16
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