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Explain trigger?
Trigger: A database trigger is procedural code which is automatically executed within response to certain events on a particular table in a database. Triggers could restrict access to exact data, perform logging, or audit data modifications.
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
Consistency error : These errors happen due to the inconsistent state of database caused may be due to wrong implementation of commands or in case of a transaction abort. To overc
Design a gennalization and specialization hierarchy for an automobile sales company
What is DML compiler? DML Compiler: Translates DML statements in a query language within low level instructions understandable through the query evaluation engine. Attempts to
What is the full form of ODBC ? ODBC stands for Open Database Connectivity.
Illustrate different types of Locks in SQL Server. There are three kinds of locks in SQL Server i.) Shared locks - These are used for operations which don't allow any update
By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which
INSERT INTO command : Values can be inserted for all columns or for the selected columns Values can be given by sub query. In place of values parameter substitution
Using SQL create a view RS for the relations R and S. The view consists of the columns A and D renamed as X and Y in that order. Insert a tuple into it. Show the contents of t
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