Image To SQL Server
/*
use master
go
if DB_ID('UserImage') is not null
drop database UserImage
create database UserImage
go
use UserImage
go
create table Images
(
Image_Name nvarchar(255) primary key,
Image_Data Image not null
)
go
create proc InsertImage
(
@Image_Name nvarchar(255),
@Image_Data Image
)
as
insert into Images values(@Image_Name, @Image_Data)
go
create proc DeleteImage
(
@Image_Name nvarchar(255)
)
as
delete from Images where Image_Name = @Image_Name
go
create proc SelectImage
(
@Image_Name nvarchar(255)
)
as
select Image_Data from Images where Image_Name = @Image_Name
go
*/
using System;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
namespace ImageDB
{
public partial class FormImageSQL : Form
{
#region
private SqlConnection sql;
private DataTable table;
#endregion
public FormImageSQL()
{
#region
InitializeComponent();
openFileImage.Filter = "ͼÏñÎļþ|*.bmp;*.gif;*.jpg;*.jpeg;*.png|ËùÓÐÎļþ|*.*";
pictureBox1.SizeMode = PictureBoxSizeMode.Zoom; // ͼÏñ´óС°´ÆäÔÓеĴóС±ÈÀý±»Ôö¼Ó»ò¼õС¡£
table = new DataTable();
DataColumn column = table.Columns.Add("Name", typeof(String));
&nb
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create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ
......
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SELECT * from user WHERE name LIKE '%Èý%';
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SELECT osuser, username, sql_text from v$session a, v$sqltext b
where a.sql_address =b.address order by address, piece;
2.·ÖÎö±í
analyze table tablename compute statistics for all indexes;
analyze table tablename compute statistics for all indexed col ......