SQL Server

The first column is grouped by goodsid. Then, the records after the group are sorted by audittime in ascending order to display the number of changes of a product.The second column is to take the final change price newPrice of the product and then

Format: CONVERT (data_type, expression [, style])Note:This style is generally in the time type (datetime, smalldatetime) and string type (nchar, nvarchar, char, varchar)It is used only when they are converted to each other.Example:Select convert

Table table1Id RegName PostionSN PersonSN1 Shandong Qilu pharmaceutical 223 22 Shandong Qilu pharmaceutical 224 23 Beijing Urban Construction Company 225 24 technology companies 225 2The result I want to obtain is Id RegName PostionSN PersonSN1

Copy codeThe Code is as follows:Declare @ TotalCount intDeclare @ TotalPageCount intExec P_viewPage_A 'type1', '*', 'id', ', 'Id asc', @ TotalCount output, @ TotalPageCount outputSelect * from type1Create PROC P_viewPage_A/*Nzperfect [no_mIss]

In this case, the time for issuing the ticket will be 10 minutes-> 20 seconds. This is amazing.Now, let's go to the demo, test, and change it to a method test that we generally use. NND is really fast.Paste my Demo: SqlBulkCopy.rar hereCopy codeThe

You can use Manage Studio to view the interface operations on your own.Separate database:If the DATABASE is separated by stored procedures and the user link cannot be terminated, you can use the alter database command and set the DATABASE to

Company Technical Background: DataBase Audit class (xxx. DataBase. Dll) calls the stored procedure to access the DataBase.Technical solution 1:The first version written by the programmer during the compression time is used to complete the task

Below I have excerpted a text section about the trigger in the SQL Server official tutorial, which is a useful text description.You can define a trigger that will be executed whenever the INSERT statement is used to INSERT data into the table.When

Method 1 (only mdf files without logs can be recovered) proves valid1. Create a database with the same name.2. Set the database to offline.3. Delete the log file (. LDF). The subsequent process is not enough.4. Log On As a Super User in the query

Environment Description:A company has installed an SQL Server database. To ensure that the database can be repaired in time when a fault occurs, the Administrator backs up the database, for example, full backup + differential backup or full backup +

Copy codeThe Code is as follows:Declare @ bl decimal (10, 6), @ num int, @ num1 int, @ str char (20), @ str1 char (20), @ str2 char (20 ), @ str3 char (20), @ zx int, @ zx1 intSet @ bl = 1110.10000Set @ str1 = ltrim (REVERSE (cast (@ bl as char (30)

1.DECLARETYPE ref_cursor_type IS ref CURSOR;V_mycursor ref_cursor_type;TYPE id_list is table of integer;TYPE name_list is table of varchar2 (30 );V_tabid id_list: = id_list ();V_tabname name_list: = name_list ();SQL _str varchar2 (200 );BEGIN--

Copy codeThe Code is as follows:-- Exchange of rows and columns/*************************************** **************************************** **************************************** *******************************Take student scores as an

Back up the database first to avoid unnecessary losses. Then, execute the varchar field with less than 8000 characters of all mounted horses.Copy codeThe Code is as follows:Update table name set field = replace (field name, ' ','') is the trojan

Copy codeThe Code is as follows:Create procedure [dbo]. [up_Pager]@ Table varchar (2000), -- table name@ Col varchar (50), -- pagination by this column@ Orderby bit, -- sort, 0-order, 1-inverted@ Collist varchar (800), -- List of fields to be

Student table: create table student(Id number (8) primary key,Name varchar2 (10), deptment number (8)) Course Selection table: create table select_course(Id number (8) primary key,STUDENT_ID NUMBER (8) foreign key (COURSE_ID) references course (ID ),

Copy codeThe Code is as follows:Create trigger TR_MasterTable_UpdateOn MasterTableAfter updateAsIf update ([Type]) -- this trigger is triggered only when the Type field is updated.Insert into MasterLogTableSelectId, (Case [Type] when 1 then

Copy codeThe Code is as follows:--> Title: generate a sequence number.--> Author: wufeng4552--> Date: 09:02:08If object_id ('f _ split ') is not null drop function f_splitGoCreate function f_split(@ S varchar (8000), -- string to be split@ Split

1. Delete the SQL installation directory under Program files (back up important data first)C: Program FilesMicrosoft SQL Server80Tools.C: Program FilesMicrosoft SQL ServerMSSQL.2. Delete related information in the

In a large database, data changes are very frequent.Indexes built on these data also need to be maintained frequently.Otherwise, these data indexes will not play an appropriate role. It may even become a burden on the database itself.We need to