Return a value if no rows are found SQL
Werbung / Advertisements What actually happens when you run a SQL query that doesn’t return any rows? For example, think of a WHERE clause with the condition 1=2, which can never be fulfilled and...
Tagged: SQL
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SQL Developer Slow
Werbung / Advertisements Is your SQL developer slow? Then here are a few tips and tricks to make it a little faster. Note that you use the Always optimize SQL Developerand you should also...
SQL Developer – Difference Snippet VS Code Template
Werbung / Advertisements In principle, Snippet and Code Template serve the same purpose: Previously created code is inserted at the desired location. The only difference between the two tools is the paste option. Snippets...
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SQL Default Value if no row is returned
Werbung / Advertisements Sometimes default values are necassary. Normally you can use NVL or NVL2 when you get NULL values as return value. But it is also possible, that no row is returned. In...
Commit and Rollback SQL Developer
Werbung / Advertisements The SQL Developer sets implicit automatic COMMITs. This COMMIT is subconsciously and automatically canceled in the following situations. (1) SQL Developer quits normally, with no COMMIT or ROLLBACK statement. In this...
