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4 lis 2020 · The bulk processing features of PL/SQL are designed specifically to reduce the number of context switches required to communicate from the PL/SQL engine to the SQL engine. Use the BULK COLLECT clause to fetch multiple rows into one or more collections with a single context switch.
- Working With Collections in Pl/Sql
In this article, I will explore another composite data type,...
- SQL*Loader Case Studies
You can use SQL*Loader to do the following: Load data across...
- Working With Collections in Pl/Sql
13 sty 2014 · SQL engine retrieves all the rows and load them into the collection and switch back to PL/SQL engine. Using bulk collect multiple row can be fetched with single context switch. Example : 1
You can use SQL*Loader to do the following: Load data across a network if your data files are on a different system than the database. Load data from multiple data files during the same load session. Load data into multiple tables during the same load session. Specify the character set of the data.
Bulk binds can improve the performance when loading collections from a queries. The BULK COLLECT INTO construct binds the output of the query to the collection. To test this create the following table. CREATE TABLE bulk_collect_test AS. SELECT owner, object_name, object_id. FROM all_objects;
28 cze 2024 · BULK COLLECT reduces context switches between SQL and PL/SQL engine and allows SQL engine to fetch the records at once. Oracle PL/SQL provides the functionality of fetching the records in bulk rather than fetching one-by-one.
Tutorial Bulk Processing with PL/SQL. Description Learn how to make the most of the bulk processing features of PL/SQL: BULK COLLECT and FORALL. Be sure to run the setup code before trying to execute code in the modules.
SQL*Loader (sqlldr) is a bulk loader utility used for moving data from flat files into Oracle database tables. It supports various load formats and multi-table loads.
