执行存储过程时,execute和call的区别 EXEC is a sqlplus command that put its argument as an anonymous pl/sql block: 'EXEC xxx' is transformed to 'BEGIN xxx; END;' So you can use it to call a procedure, or do any pl/sql It is documented here: http://download.oracle
BEGIN DBMS_OUTPUT.ENABLE (buffer_size => NULL);--with no limit on the output. dbms_output.put('a'); --写入buffer但不输出 dbms_output.put('b'); --写入buffer但不输出 --dbms_output.new_line; --换行后buffer里面的内容会输出 dbms_output.put_line('hello world!'); --输出并换行,buffer里面
使用js动态添加标签充,处理换行问题 var placeholder = 'This is a line \nthis should be a new line'; $('textarea').attr('value', placeholder); $('textarea').focus(function(){ if($(this).val() === placeholder){ $(this).val(''); } }); $('textarea').blur(function(){ if($