You can use comments in a SQL statement to pass instructions, or hints, to the Oracle Database optimizer. The optimizer uses these hints as suggestions for choosing an execution plan for …

The syntax for creating a SQL comment in Oracle using /* and */ symbols is: /* comment goes here */ In Oracle, a comment that starts with /* symbol and ends with */ and can be anywhere …

You can use the COMMENT command to associate a comment with a schema object (table, view, materialized view, operator, indextype, mining model) or a nonschema object (edition) using …

Use the COMMENT statement to add to the data dictionary a comment about a table or table column, unified audit policy, edition, indextype, materialized view, mining model, operator, or …

May 21, 2015 · No, because everything between first delimiter until the next last delimiter will be recognized as comment (=not processed by compiler). Thats how multiline-comments work: If …

Jul 3, 2012 · I am using Oracle 11g for my web application. I want to add a column and a comment to an existing table. I can do that easily with the below commands. ALTER TABLE …

Dec 22, 2019 · Simply naming the variable correctly eliminates the need for a comment. Both of your example is correct and it is good practice of doing comment in sql script. -- is used for …

Learn how to use PL/SQL comments including single-line and multi-line comments that allow you to improve the readability of your code.

Feb 6, 2025 · In Oracle, you can add comments to a table or column using the COMMENT ON statement. 1. Adding a Comment to a Table. 2. Adding a Comment to a Column. 3. Viewing …

Oct 25, 2024 · Learn how to use comments in Oracle PL/SQL for better code readability and maintenance, including single-line and multi-line comments and examples.