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joins, Database Management System
how can apply joins on table
Posted Date: 4/2/2013 2:15:29 AM | Location : USA
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Shared lock or read lock, Shared lock or Read Lock It is requested ...
Shared lock or Read Lock It is requested by a transaction that needs to just read the value of data item. A shared lock on a data item does not permit an exclusive lock
Production management, create an er diagram for production management in fi...
create an er diagram for production management in film industry
DBMS, You are managing the following database system: • DBMS: Oracle 11g...
You are managing the following database system: • DBMS: Oracle 11g • OS: Sun Solaris • System architecture: Web-based application using ASP.Net • Purpose of Server: HR manage
Obtain the house numbers street wise from database, For the relations answe...
For the relations answer the following queries in SQL Street (name, location, city) House (number, street_name) Lives (name, house_number) (i) Obtain the names of persons who liv
What is completeness constraint on generalization, What is completeness con...
What is completeness constraint on generalization? Define the variation between total and partial design constraint. Give an example each. Ans: Completeness Constraints
Data files indices and data dictionary, The indices are accumulated in the ...
The indices are accumulated in the index files. The data is accumulated in the data files. Indices give fast access to data items. For example, a book database may be managed in th
Selective replication-data replication, Selective replication: This is a c...
Selective replication: This is a combination of generating small fragments of relation and replicating them rather than a entire relation. The data should be fragmented on require
Two phase locking (2pl), Two Phase Locking (2PL) The two-phase locking ...
Two Phase Locking (2PL) The two-phase locking protocol having of two phases: Phase 1 : The lock acquisition phase : If a transaction T needs to read an object, it wants to
Correlated and uncorrelated queries, need to get answer for questions 3&4 o...
need to get answer for questions 3&4 on this page in part 1
Why are cursors necessary in embedded sql, Why are cursors necessary in emb...
Why are cursors necessary in embedded SQL? A cursor is an object used to store the output of a query for row-by-row processing through the application programs. SQL statements
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