Month: March 2024

sql check if at least one row exists

How To SQL Check if at Least One Row Exists

In SQL there are several ways to SQL check if at least one row exists in the table. I hope to list everything. Performance can change according to the pattern ...

Asiri Gunasena

March 25, 2024

Performance Tuning in Oracle

How to Performance Tuning in Oracle | 10 Tips | Never Miss

Getting better performance depends on different conditions. But performance tuning in Oracle is one major condition. Hardware problems, Network problems, Configuration problems, and bad Coding problems also hit the performance ...

Asiri Gunasena

March 18, 2024

sql isopen

How to Use SQL ISOPEN and What is %ISOPEN?

In Oracle SQL ISOPEN attribute checks whether currently a cursor is open or not. cursor_name% %ISOPEN returns TRUE if its cursor is open. As you know Cursors are used to ...

Asiri Gunasena

March 11, 2024

Oracle SQL NOTFOUND

How To Use Oracle SQL NOTFOUND (6 Example %NOTFOUND)

Oracle PL/SQL cursors are used to fetch records from a table. Oracle SQL NOTFOUND is used to check whether has any row been fetched. Cursors are the most commonly used ...

Asiri Gunasena

March 4, 2024

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