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Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
1. Determine the set of minimal functional dependencies for the following data. The local bakery, Happy Cakes, needs your help designing a database that will support a kiosk in
what is completeness constrent?
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Explain the Recoverable Schedule A recoverable schedule is one in which for each pair of transactions Ti and Tj such that Tj reads a data item formerly written by Ti, the comm
how can apply joins on table
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
difference between internal schema and external schema in DBMS
System level permissions : With the use of data dictionary you can view them. Let us take the table name as user_sys_privs (used in oracle). DESCRIBE USER_SYS_PRI
data models are being replaced over years. Reasons and why does that happen?
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