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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_PRIVS ;
SELECT * FROM USER_SYS_PRIVS ;
All these commands are very definite to a data base system and may be dissimilar on dissimilar DBMS.
DATABASE OBJECTS: VIEWS, SEQUENCES, INDEXES AND SYNONYMS
Some of the important concepts in a database system are the views and indexes.
Views are a mechanism that can support data independence and security. Indexes help in better query responses. Let us discuss about them along with two more concepts sequences and synonyms in more details.
Define rotational latency time. The time spent waiting for the sector to be accessed to appear under the head is known as the rotational latency time.
Describe the static hash file with buckets and chaining and show how insertion, deletion and modification of a record can be performed. In static hash file organization, the wo
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
1. Design the logic, using a looping structure, for a program that outputs every even number from 1 through 25 along with its square and cube. 2. Mr. Sanchez owns 12 apartme
WHAT IS DATABASE TECHNOLOGIES
What is difference among mysql_connect and mysql_pconnect? Mysql_connect() opens a new connection to the database while mysql_pconnect() opens persistent connection to the data
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
Instructions: Follow the instructions below for completing this project: 1. Creating the Database: · Use the physical table descriptions given below to define and create each t
Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
Explain Candidate Key and Super Key A super key is a set of one or more than attributes that, taken collectively, permits us to identify uniquely a tuple in the relation. Wher
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