KARIMSOFT

 insert into tab3  select tab2.*  from tab2  inner join  tab1  on  tab2.Acc_no=tab1.Acc_no    and  tab2.balance <> tab1.balance

اقرا الاول في استعلام قواعد البيانات

udacity.com يوجد كورسات مجانيا وبقابل مادي ممكن تفيده

http://arabteam2000-forum.com/index.php?/topic/100798-%D9%85%D8%A7-%D8%A7%D9%84%D8%AD%D9%84-%D9%81%D9%89-%D8%B7%D9%84%D8%A8-%D8%A7%D9%84%D9%83%D8%B1%D9%8A%D8%B3%D8%AA%D8%A7%D9%84-10-%D9%84%D9%83%D9%84%D9%85%D8%A9-%D8%B3%D8%B1-%D9%82%D8%A7%D8%B9%D8%AF%D8%A9-%D8%A7%D9%84%D8%A8%D9%8A%D8%A7%D9%86%D8%A7%D8%AA/

وضح اكثر

like this https://social.msdn.microsoft.com/Forums/en-US/d92a15e3-f031-4db1-b0c1-265e212b5fea/count-in-c-using-linq-with-gridview-in-aspnet  

https://uk.images.search.yahoo.com/search/images;_ylt=AwrJQ5poh.9a9E4AyBZLBQx.;_ylu=X3oDMTB0ZTgxN3Q0BGNvbG8DaXIyBHBvcwMxBHZ0aWQDBHNlYwNwaXZz?p=sql+server+service+run&fr2=piv-web&fr=yfp-t

http://blogs.learnnowonline.com/2012/11/28/installing-multiple-instances-of-sql-on-a-single-computer/

https://www.dotnetheaven.com/article/maskedtextbox-control-in-vb.net1

فكرة كود workTable.Rows.Add(workRow); int sum1 = Convert.ToInt32(workTable.Rows[0].Column[1]); for (int i=1;n<workTable.Rows.Count;n++) { sum1 += Convert.ToInt32(workTable.Rows[n].Column[0]); workTable.Rows[0].Column[1]=sum1.ToString(); sum1 += Convert.ToInt32(workTable.Rows[n].Column[1]); }  

sql server login password expired  

https://www.codeproject.com/tips/1107815/export-an-excel-file-using-closedxml

https://www.mssqltips.com/sqlservertip/5225/sql-server-clustered-columnstore-index-examples-for-etl/

https://www.codeproject.com/questions/703372/read-and-separate-blocks-in-a-text-file-by-csharp  

ممكن ترفق ملف كمثال