We run an insert from Oracle SQL tool that selects 200,000 rows from various tables and inserts them in another...
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table. This ends in 10 minutes. We try the same query inside a stored procedure in Oracle, and it runs for hours. Oracle version is 8.1.5 and runs on Windows NT.
Are you running the INSERT statement in the stored proc by using an explicit CURSOR? Are you looping through the cursor and performing a COMMIT every so often? These type of things can make your INSERT statement slow to a crawl.
Let's suppose that I have a simple INSERT statment, selecting data from a table, that I can run in SQL*Plus similar to the following:
INSERT INTO new_table SELECT * FROM old_table;
BEGIN INSERT INTO new_table SELECT * FROM old_table; END; /
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