In the world of relational databases, VARCHAR is one of the most commonly used string data types, primarily used for storing variable-length character data. However, for many beginners, the ...

If I declare a varchar(1000) for a field and someone enters "hi", I'm wondering how the memory is allocated for it. I was under the impression that varchar2(1000) in Oracle would only allocate space ...

To define a string in a variable we are using CHAR and VARCHAR in SQL. CHAR: string(0-255), can store characters of fixed length. eg: CHAR(50) VARCHAR: string(0-255), can store characters up to given ...

Another one of these choices... to go with a char or varchar for a field. Not really an issue with space since we are only looking at a couple of thousand records or so but just wondering what the ...

Version 8.0 of the QuestDB time series database is said to be significantly faster. Furthermore, the open source version now also supports ZFS compression. After just over a month, the developers of ...

There's already an open bug where two fields of certain types can't be held inside a single default-sized VARCHAR in MSSQL, because the size of VARCHAR is 30 characters by default. #4478 Here's a new ...