How do I comment in SQL Developer SQL?

What is the shortcut for comment in SQL Developer?

 SQL Worksheet

Execute Query Ctrl+Enter or F9
Completion Insight Ctrl + Spacebar
Format Ctrl + F7
Search Database Alt+G
Toggle Comment Ctrl + /

How do I see comments in a table in SQL Developer?

To view table comment select table and go to Details tab. Scroll down to the last attribute called Comments.

How do you comment in PL SQL?

PL/SQL supports two comment styles: single-line and multi-line. A double hyphen ( – – ) anywhere on a line (except within a character literal) turns the rest of the line into a comment. Multi-line comments begin with a slash-asterisk ( /* ) and end with an asterisk-slash ( */ ). For more information, see “Comments”.

How do I comment out code in SQL Server?

To comment out lines of code in SQL Server Management Studio (SSMS) Query Window, select lines of code you want to comment out and hit the keyboard shortcut ‘CTRL+K’ followed by ‘CTRL+C’.

How do I uncomment and comment in SQL Developer?

To comment out or uncomment SQL code in the SQL and XQuery editor:

  1. Select the SQL code that you want to comment out or uncomment. For a single line, click anywhere in the line of code. For multiple lines, drag the pointer through the lines of code.
  2. Right-click the selected SQL code, and then select Toggle Comment.
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How do I comment multiple lines in SQL Developer?

6 Answers. In SQL Developer, I highlight all lines of PL/SQL that I want commented and use Ctrl + / . Obviously, you would like a way to comment and uncomment multiple lines quickly. This will put — in front of each line you have highlighted.

What are SQL comments?

A comment can appear between any keywords, parameters, or punctuation marks in a statement. … You can include a comment in a statement in two ways: Begin the comment with a slash and an asterisk (/*). Proceed with the text of the comment.

How do I view comments in SQL?

You can view the comments on a particular table or column by querying the data dictionary views USER_TAB_COMMENTS , DBA_TAB_COMMENTS , or ALL_TAB_COMMENTS or USER_COL_COMMENTS , DBA_COL_COMMENTS , or ALL_COL_COMMENTS . Specify the name of the operator to be commented.

How do I view comments in a table?

View comments

This will open a window that lists all objects in your database in left side of the window and details of selected object in the right side. You will see table comments in Remarks column in list of objects and when you select table you will see column comments in Remarks column in Columns tab.

How do I declare a single line comment in PL SQL?

PL/SQL supports two comment styles: single-line and multi-line. Single-line comments begin with a double hyphen ( – – ) anywhere on a line and extend to the end of the line. Multi-line comments begin with a slash-asterisk ( /* ), end with an asterisk-slash ( */ ), and can span multiple lines.

Which syntax is used to show a block line comment?

The beginning of a block comment or a multi-line comment is marked by the symbol /* and the symbol */ marks its end. This type of a comment is called so as this can extend over more than one line; once the compiler reads the /* it ignores whatever follows until it enounters a */ .

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What is SQL Rowcount?

%ROWCOUNT yields the number of rows affected by an INSERT , UPDATE , or DELETE statement, or returned by a SELECT INTO statement. … The value of the SQL%ROWCOUNT attribute refers to the most recently executed SQL statement from PL/SQL. To save an attribute value for later use, assign it to a local variable immediately.

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