How do I comment in Sqlplus?
Comments
- Begin the comment with a slash and an asterisk (/*). Proceed with the text of the comment. This text can span multiple lines. End the comment with an asterisk and a slash (*/).
- Begin the comment with — (two hyphens). Proceed with the text of the comment. This text cannot extend to a new line.
How do I view comments in Oracle 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 comment in SQL code?
The syntax for a comment in a line of SQL code is a double hyphen ( — ) at the beginning of the line. The comment affects all of the SQL code in the line.
How do I comment out in SQL Server?
Commenting and Uncommenting Code in SQL Server Management Studio. 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’.
What is comment on column in Oracle?
Adds, revises, or removes a projection column comment. You can only add comments to projection columns, not to table columns. Each object can have one comment. Comments are stored in the system table COMMENTS .
How do I see comments in a table in SQL?
To view table comment select table and go to Details tab. Scroll down to the last attribute called Comments.
How do you comment in Oracle?
In Oracle, a comment started with — symbol must be at the end of a line in your SQL statement with a line break after it. This method of commenting can only span a single line within your SQL and must be at the end of the line.
How comment multiple lines in SQL query?
Multi-line comments start with /* and end with */ . Any text between /* and */ will be ignored.
How do you comment and uncomment in SQL?
The keyboard shortcut to comment text is CTRL + K, CTRL + C. The keyboard shortcut to uncomment text is CTRL + K, CTRL + U.
How do you comment code on a server?
SQL Server has two different ways to comment code. Line comments start with two dashes (–) and ends with carriage returns. Everything between two dashes(–) and carriage returns is considered as comment. This comment can be placed anywhere in the code.
How do I add a comment to a SQL view?
You can add comments in the Design View if you show the property editor. You want to add comments in the “SQL Comment” field in the “View Designer” group. This comment will display even if the view is opened as Script as well.
What is comment on column?
How do I comment out in MySQL SQL?
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).
How do you write a single line comment in SQL?
This method of commenting must be at the end of the line and be in a single line. A comment in SQL that starts with /* symbol and ends with */ and can span several lines within your SQL.
How do I comment out in MySQL?
How do I comment multiple lines in SQL Workbench?
Syntax Using /* and */ symbols In MySQL, a comment that starts with /* symbol and ends with */ and can be anywhere in your SQL statement. This method of commenting can span several lines within your SQL.
How do you add comments to a view in Oracle?
Simply use : Comment on table ‘view Name’ is ‘ Comment …’; If use view in place of SQL , Oracle throws error invalid object category for COMMENT command”.