在“ OracleSQLDeveloperSQL 工作表”窗口中打印文本

You could set echo to on:

set echo on
REM Querying table
select * from dual;

In SQLDeveloper, hit F5 to run as a script.

You could put your text in a select statement such as...

SELECT 'Querying Table1' FROM dual;

for simple comments:

set serveroutput on format wrapped;
begin
DBMS_OUTPUT.put_line('simple comment');
end;
/


-- do something


begin
DBMS_OUTPUT.put_line('second simple comment');
end;
/

you should get:

anonymous block completed
simple comment


anonymous block completed
second simple comment

if you want to print out the results of variables, here's another example:

set serveroutput on format wrapped;
declare
a_comment VARCHAR2(200) :='first comment';
begin
DBMS_OUTPUT.put_line(a_comment);
end;


/


-- do something




declare
a_comment VARCHAR2(200) :='comment';
begin
DBMS_OUTPUT.put_line(a_comment || 2);
end;

your output should be:

anonymous block completed
first comment


anonymous block completed
comment2

PROMPT text to print

Note: must use Run as Script (F5) not Run Statement (Ctl + Enter)

For me, I could only get it to work with

set serveroutput on format word_wrapped;

The wraped and WRAPPED just threw errors: SQLPLUS command failed - not enough arguments

If you don't want all of your SQL statements to be echoed, but you only want to see the easily identifiable results of your script, do it this way:

set echo on

REM MyFirstTable

set echo off

delete from MyFirstTable;

set echo on

REM MySecondTable

set echo off

delete from MySecondTable;

The output from the above example will look something like this:

-REM MyFirstTable

13 rows deleted.

-REM MySecondTable

27 rows deleted.

The main answer left out a step for new installs where one has to open up the dbms output window.

Then the script I used:

dbms_output.put_line('Start');

Another script:

set serveroutput on format wrapped;
begin
DBMS_OUTPUT.put_line('jabberwocky');
end;

If I ommit begin - end it is error. So for me this is working (nothing else needed):

set serveroutput on;
begin
DBMS_OUTPUT.PUT_LINE('testing');
end;