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Accessing information about permissions to all users-Object level permissions: With the use of data dictionary you can see the permissions to user. Let us get the table name from oracle. In oracle the name of the table having these permissions is user_tab_privs.
DESCRIBE USER_TAB_PRIVS ;
SELECT * FROM USER_TAB_PRIVS;
Type of database technology
explain the mapping constraints
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
1.Why we need data mining? Give an example to illustrate your answer. 2. Why data mining is considered as "misleading name"? 3. Distinguish the difference between database an
First Normal Form and second normal form First Normal Form (1NF) A relation is said to be in 1NF if it having no non-atomic values and each row can give a unique combinat
What is foreign key? A relation schema r1 derived from an ER schema may contain among its attributes the primary key of another relation schema r2.this attribute is known as a
Define Query by Example QBE is a query language relies upon domain calculus and has two dimensional syntax. The queries are written in the horizontal and vertical dimensions of
What are the advantages of object ID? The main advantages of Object IDs are as below: i) IDs are not changing ii) IDs are completely independent of the changes in data v
Define the terms i) Key attribute ii) Value set Key attribute: An entity type usually has an attribute whose values are exact from each individual entity in the collection. Su
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
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