如何重命名SQL中的列？

Question

The code that i tried is

ALTER TABLE "STUDENT" RENAME COLUMN "Roll" TO "Num";

Its syntax is correct but it shows a error. Whats the problem?

Error

Static analysis:

1 errors were found during analysis.

Missing comma before start of a new alter operation. (near "TO" at position 47) SQL query: Copy

ALTER TABLE "STUDENT" RENAME COLUMN "column 1" TO "column 2"

MySQL said: Documentation

1064 - You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '"STUDENT" RENAME COLUMN "column 1" TO "column 2"' at line 1

Answer 1

试试这个方法

 ALTER TABLE "STUDENT" RENAME COLUMN "Roll" TO "Num" datatype(length);

Answer 2

See here for an answer to your question.

Basically: use backticks instead of quotes.