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A distributed transaction consists of subtransactions that execute at different sites and access local DBMSs at those sites. For example, a distributed transaction that transfers m
discuss the purpose of the concurrency control?
Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
Using Column aliases Example: To print column names as NAME and ANNUAL SALARY SELECT ENAME "NAME", SAL*12 "ANNUAL SALARY" FROM EMP;
Creating a view: A query can be embedded within the CREATE VIEW STATEMENT A query can have complex select statements containing join, groups and sub- queries A quer
The Form input elements are: Reporter name text type input Password
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Run the following queries. For each query show 1) What you expect the output to be based upon the data 2) the SQL code and 3) the output running the query in Oracle. 1. Show all c
Explain Data Dictionary in short?
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
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