C# sql ʵÏÖͼƬÅúÁ¿´¢´æ¶ÁÈ¡
winform주
//´æ´¢
private void MemoryImage()
{
string sql = "";
//string conn = "Provider=SQLNCLI;Data Source=192.168.0.9,1433;Database=WebDown;UID=sa;PWD=111122;";
Stream ms;
byte[] picbyte;
OpenFileDialog ofdSelectPic = new OpenFileDialog();
if (ofdSelectPic.ShowDialog() == DialogResult.OK)
{
if ((ms = ofdSelectPic.OpenFile()) != null)
{
picbyte = new byte[ms.Length];
ms.Position = 0;
ms.Read(picbyte, 0, Convert.ToInt32(ms.Length));
//Á¬½ÓÊý¾Ý¿â
SqlConnection conn = new SqlConnection();
conn
Ïà¹ØÎĵµ£º
΢ÈíµÄÒ»¸öMicrosoft Visual Studio International Pack v1.0£¬ÀïÃæ¾ÍÓÐÖÐÎÄ×Ö´¦Àí¹¦ÄÜ£¬»¹±È½Ï·á¸»£¬ÕâÀïÖ»Óüò·±×ª»»¡£Microsoft Visual Studio International Pack v1.0µÄÏÂÔØµØÖ·£ºhttp://download.microsoft.com/download/5/7/3/57345088-ACF8-4E9B-A9A7-EBA35452DEF2/vsintlpack1.zip¡£½âѹ֮ºó°²×°CHTC ......
SQLÓïÑÔÓÉÃüÁî¡¢×Ӿ䡢ÔËËãºÍ¼¯ºÏº¯ÊýµÈ¹¹³É¡£ÔÚSQLÖУ¬Êý¾Ý¶¨ÒåÓïÑÔDDL£¨ÓÃÀ´½¨Á¢¼°¶¨ÒåÊý¾Ý±í¡¢×Ö¶ÎÒÔ¼°Ë÷ÒýµÈÊý¾Ý¿â½á¹¹£©°üº¬µÄÃüÁîÓÐCREATE¡¢DROP¡¢ALTER£»Êý¾Ý²Ù×ÝÓïÑÔDML£¨ÓÃÀ´ÌṩÊý¾ÝµÄ²éѯ¡¢ÅÅÐòÒÔ¼°É¸Ñ¡Êý¾ÝµÈ¹¦ÄÜ£©°üº¬µÄÃüÁîÓÐSELECT¡¢INSERT¡¢UPDATE¡¢DELETE¡£
Ò»¡¢SQLÓï¾ä
£¨1£©Select ²éѯÓï¾ä
Óï ......
window.onerror = function() { return true; };
body {margin:0;overflow:auto;font:normal 14px Verdana;background:#fff;padding:2px 4px 0;}body, p, font, div, li { line-height: 150%;}body, td, th {color:#000000;}.i {width:100%;*width:auto;table-layout:fixed;}pre {white-space: pre-wrap;white-spa ......
ORACLE SQLÓï¾äÓÅ»¯×ܽá
1£© Ñ¡Ôñ×îÓÐЧÂʵıíÃû˳Ðò(Ö»ÔÚ»ùÓÚ¹æÔòµÄÓÅ»¯Æ÷ÖÐÓÐЧ)£º
ORACLEµÄ½âÎöÆ÷°´ÕÕ´ÓÓÒµ½×óµÄ˳Ðò´¦Àífrom×Ó¾äÖеıíÃû£¬from×Ó¾äÖÐдÔÚ×îºóµÄ±í(»ù´¡±í driving table)½«±»×îÏÈ´¦Àí£¬ÔÚfrom×Ó¾äÖаüº¬¶à¸ö±íµÄÇé¿öÏÂ,Äã±ØÐëÑ¡Ôñ¼Ç¼ÌõÊý×îÉٵıí×÷Ϊ»ù´¡±í¡£Èç¹ûÓÐ3¸öÒÔÉϵıíÁ¬½Ó²éѯ, Ä ......