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Updated on 2025-08-22 GMT+08:00
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Comments

Table 1 Comments

No.

Oracle Database

GaussDB

Difference

1

A slash and an asterisk (/*)

Supported.

-

2

Two hyphens (--)

Supported.

-

3

COMMENT command

Supported.

-

4

HINT

Supported, with differences.

GaussDB does not support the '--+' hint format.

For details, see "SQL Optimization > Hint-based Tuning" in Developer Guide.
Parent topic: Basic SQL Elements