converting MYSQL code into oracle sql code

Question

Below mentioned is the code in MYSQL. I was wondering if there is a way to convert the code into oracle. It would be really helpful if an explanation is given what is the meaning of this statement (countofzones AS CHAR charset utf8)

CAST(countofzones AS CHAR charset utf8) AS countofzones,

Job Curtis · Accepted Answer · 2020-03-05 15:35:33Z

1

In MySQL, CAST() converts data of one type to another type. In the example given, you are converting the column countofzones from whatever datatype it currently has to the CHAR type (with the utf8 characterset). The AS countofzones is simply an alias and is not relevant to the question. See MySQL documentation for further information.

The equivalent function in Oracle is named the same; CAST() and has very similar syntax.

CAST(countofzones AS CHAR(x))

where x is the maximum string length (see CHAR Datatype).

answered Mar 5, 2020 at 15:35

Job Curtis

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2 Comments

Eric Over a year ago

there is no need of charset utf8 when i change the query to oracle?

Job Curtis Over a year ago

Without more context I can't tell you if it's needed. It will default to the database characterset, which is generally what you should be using anyway. If you do need to specify the charset, you can use CONVERT().

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