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Is it mandatory to declare all the tables in Report by the key word tables for all the tables that exist in the structure of LDB, and are being explained in the Database part of LDB?
No, It is not mandatory to declare all tables in report.
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
Conflicting Operations in Schedule: The three simple ways of interleaved instruction implement of transactions T1 and T2. Please note that in the following tables the first col
Explain hash file organization? Hash functions a) The distribution is uniform Hash functions assign each bucket the similar number of search -key values from the set of a
difference between MIS and DSS
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
Rules Of Data Normalisation Let us now summarise Normalisation with the help of various clean rules. The following are the necessary rules for the Normalisation process: 1.
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
under what condition log based recovery is feasible?
What are the categories of SQL command? SQL commands are separated in to the following categories: 1. Data - Definitition Language 2. Data Manipulation language 3. Dat
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
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