Store Comment Record For Free

Just like any other data that is useful to users, comments should be stored in tables. Each comment in a single cell. In the table row of which the ?key" (foreign key or primary key) represents the ?thing" on which the comment is commenting on.

How to store comments in NoSQL (MongoDB)? 1 way. Comments are embedded in Post document: { "_id": ObjectId(12345), "title": "Cat ate elephant!", "body": "Lorem ipsum dolor sit amet, consectetur adipiscing elit. ... 2 way. Relationship between Post and Comments (in separate documents). ... 3 Answers. Sorted by:

MySQL Server supports three comment styles: From a # character to the end of the line. From a -- sequence to the end of the line. In MySQL, the -- (double-dash) comment style requires the second dash to be followed by at least one whitespace or control character (such as a space, tab, newline, and so on).

Just like any other data that is useful to users, comments should be stored in tables. Each comment in a single cell. In the table row of which the ?key" (foreign key or primary key) represents the ?thing" on which the comment is commenting on.

If you store each comment in its own document, the documents in your comments collection, would have the following structure: { _id: ObjectId(...), discussion_id: ObjectId(...), slug: '34db', posted: ISODateTime(...), author: { id: ObjectId(...), name: 'Rick' }, text: 'This is so bogus ... ' }

Oracle Database is among the most widely used databases in the industry as they support all data types involving Relational, Graph, Structured, and Unstructured information and is hence considered to be one of the best databases available in the market.

MongoDB is a popular NoSQL database which is perfectly suited for a task like storing comments on a high-traffic site where availability and speed are a priority.