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Structured Query Language is a language for interacting with relational databases. Read the tag wiki's guidelines for requesting SQL reviews: 1) Provide context, 2) Include the schema, 3) If asking about performance, include indexes and the output of EXPLAIN SELECT.

2 votes
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Summing different tables values limiting the results

You might try this: select sum(amount) amount from( select least(sum(amount),10000) amount from ( select date, 200 amount from a union all select date, …
David Aldridge's user avatar
2 votes
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Parsing Oracle errors with a ksh function

It seems like you might find this clause helpful: WHENEVER SQLERROR EXIT SQL.SQLCODE
David Aldridge's user avatar