EBK DATABASE CONCEPTS
7th Edition
ISBN: 9780133544886
Author: AUER
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Chapter 6, Problem 6.34RQ
Program Plan Intro
Cursor:
The term cursor is used to retrieve the information in row by row manner. If the records stored in the
- It plays the major role for fetching a required row from the table in the database which holds numerous records.
- Cursors are defined using SELECT statement.
- It points the set of rows which is resulted from an SQL SELECT statement.
- In general the cursor is placed in the first or last row.
- It influences the performance of the SQL Server as it uses the SQL server instances memory, decrease network bandwidth, and reduction in concurrency.
- It’s recommended to avoid the use of cursor and the cursor can be replaced with WHILE loop, temporary tables, and sub queries.
- The types of cursor are listed below:
- Forward-only cursor
- Static cursor
- Dynamic cursor
- Keyset cursor
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Chapter 6 Solutions
EBK DATABASE CONCEPTS
Ch. 6 - Prob. 6.1RQCh. 6 - Explain how database administration tasks vary...Ch. 6 - Prob. 6.3RQCh. 6 - Prob. 6.4RQCh. 6 - Prob. 6.5RQCh. 6 - Prob. 6.6RQCh. 6 - Prob. 6.8RQCh. 6 - Prob. 6.9RQCh. 6 - Prob. 6.10RQCh. 6 - Prob. 6.11RQ
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