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Explain controlled redundancy?
Controlled redundancy : The replication of data within the data warehouse for the purposes of improved data access or understand ability.
What are the failures of Controlling Events Between Objects Failure Unintentional termination of system. Several possible causes: failure of system hardware, o
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
Three way to handle missing field val
Consider employee (e_no, e_name, e_salary, d_code), dept (d_code, d_name) and dependent (depndt_name, e_no, relation). Show the names of employees in purchase and accounts departm
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
Explain the main advantages of DBMS over File Oriented System ?
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 managem
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
Although, the essential features of E-R diagrams are enough to design many database situations. Though, with more difficult relations and advanced database applications, it is need
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