SEQUENCES VS. INVOICE NUMBERS IN POSTGRESQL
- 25 October 2022
- Database Performance ManagementDeep learningSoftware Engineering
In SQL, sequences are a fundamental characteristic. Some users, however, are inclined to employ sequences to produce bills. That is risky and ought to…
What in SQL is an INNER JOIN? Furthermore, what is an outside member?
In IT, a join is a term that is frequently used and mentioned but infrequently fully understood. What distinguishes inner joins from outer joins, semi…
Oracle REGEXP_SUBSTR function
The Oracle/PLSQL REGEXP_SUBSTR function is an extension of function SUBSTR. This function, represented in Oracle 10g, allows you to extract substring …
My PostgreSQL table does not shrink when I vacuum.
- 24 October 2022
- Database Performance ManagementDeep learning
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…
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…
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