<p><b>1. Tính tổng các cột</b></p><p><b>Select Sum(TotalRecords) over ()&nbsp; FROM A<span></span></b></p><a name="more"></a><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfInPdGo84refyHYSeqXVL5-tkLcF8wHuAV-0lxWi3pnEjxlTQkolPVsiA5LlShMmivuuk89mElLdPhhGTQ2Lw8_x13GTcHr5SY4Z1Nm0_v2btFrLPeondVlFcwhOk4dBhjwzWBrBjEB0/" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img alt="" data-original-height="137" data-original-width="584" height="181" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfInPdGo84refyHYSeqXVL5-tkLcF8wHuAV-0lxWi3pnEjxlTQkolPVsiA5LlShMmivuuk89mElLdPhhGTQ2Lw8_x13GTcHr5SY4Z1Nm0_v2btFrLPeondVlFcwhOk4dBhjwzWBrBjEB0/w663-h181/image.png" width="663" /></a><br /></div><p><b><br /></b></p><p><b><br /></b></p><p><b><span></span></b></p><!--more--><b>2. Tính tổng các dòng</b><p></p><p><b>Select COUNT(TotalRecords) over ()&nbsp; FROM A</b></p><p style="text-align: left;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiaL5JcKwToI_aAT1T_Oa9V-nM1egHcLKEyDGz9jl8V-KlOCyk5Iaj9-omOXJ_MUkLPLNksQVUeChzcGrFHG9_9snuzREJ8LxSwZuw140LzTvpf441_sTd1OMhDYoQm25RpU6puh-91g_8/" style="font-weight: bold; margin-left: 1em; margin-right: 1em; text-align: center;"><img alt="" data-original-height="129" data-original-width="387" height="224" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiaL5JcKwToI_aAT1T_Oa9V-nM1egHcLKEyDGz9jl8V-KlOCyk5Iaj9-omOXJ_MUkLPLNksQVUeChzcGrFHG9_9snuzREJ8LxSwZuw140LzTvpf441_sTd1OMhDYoQm25RpU6puh-91g_8/w634-h224/image.png" width="634" /></a></p><p><b><br /><br /></b></p>