Oracle REGEXP_SUBSTR function
- 25 October 2022
- Database Performance ManagementTechnology Business
The Oracle/PLSQL REGEXP_SUBSTR function is an extension of function SUBSTR. This function, represented in Oracle 10g, allows you to extract substring …
Why are my postgresql update times getting less timely?
A customer recently questioned me about why a bulk load into a PostgreSQL table continued slowing down over time. They saw that the trigger on the tab…
My PostgreSQL table does not shrink when I vacuum.
Have you ever wondered why VACUUM does not reduce the size of your PostgreSQL tables? Have you ever pondered the lack of data file compression in VACU…
Oracle RPAD function.
- 23 October 2022
- Database Performance ManagementTechnology Business
The Oracle/PLSQL RPAD function supplements a certain character set from the right side of the string (at non-zero string1)….
Symbolic / string Oracle PL/SQL functions.
- 19 October 2022
- Database Performance ManagementTechnology Business
FunctionDescriptionASCIIThe Oracle/PLSQL ASCII function returns the numeric representation of the leftmost character of the string.ASCIISTRThe Oracl…
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