Comments are used to explain sections of SQL statements, or to prevent execution of SQL statements. Note: Comments are not supported in Microsoft Access databases! Single line comments start with --. Any text between -- and the end of …

Jan 10, 2025 · In this article, we will explain different types of SQL comments: single-line comments, multi-line comments, and in-line comments. We’ll also explore their syntax, provide examples, and discuss best practices for using SQL comments in …

Oct 7, 2021 · My query is listing out comments in sequence lines. I am hoping to combine them into one comment column instead of having multiple rows for one PO. Here is my query now: SEQUENCE_NUMBER, COMMENT_LINE. Which is returning: I am hoping for it to return the two comment lines concatenated with a ', ' between them like this:

One option would be to create a new table called "comment_replies" but I'm not sure If I'm able to select all the comments and comment replies in one query, and If I add a new column called "reply" I'm not sure how to sort them to get each comment with each reply. I would love to get some advice on how to deal with this. Edit:

Jul 16, 2024 · SQL Comment block is considered when you write comment within a Transact-SQL statement using multiple-line comments which must be indicated by /* and */. A stylistic convention often used for multiple-line comments is to begin the first line with /*, subsequent lines with **, and end with */.

May 31, 2024 · Review three methods to add comments in SQL: single-line comments, multiline comments, and inline comments using the following syntax: --, /*, and */.

Feb 16, 2022 · From table with comments i'll get comment id, then with this ID I need to get count of reactions with the same comment ID and user's names. So for example I have this 2 tables: Comments: and Reactions: etc.. I need to get this: I tried this: …

Jul 18, 2022 · Comments are lines of text that are added to code that are not read by the computer during execution. They are not lines of code, instead, they are meant for humans to read and understand. Programmers add comments to help the next developer who opens the code object understand what the code does.

In this chapter, we will explore how to add comments in SQL, the different types of comments, and some best practices for using them effectively. Why Use Comments in SQL? When writing SQL queries, you often create scripts that others may need to …

Due to some complex queries like nested queries, joins it became complex to understand the query. So, we can explain the query in comments with little information for understanding easily. In other side, comment also used to skip the execution of some part of the statement.