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How to process 430 million records per day in SQL Server

= 500) { using (var SBC = New SqlBulkCopy (connectionString, sqlbulkcopyoptions.useinternaltransaction) { Bulkcopytimeout = + , notifyafter = dt. Rows.Count, batchsize = batchsize, destinationtablename = destable}) { foreach (DataColumn column in dt. Columns) SBC. Columnmappings.add (column. ColumnName, column. ColumnName); S

How I handle 430 million records per day in SQL Server

millions of. So, the structure of our table is this:CREATETABLE [dbo]. [His20140822] ([No] [bigintIDENTITY (1,1)NotNull,[dtime] [datetime]NotNull,[mgrobjid] [VARCHAR] (36)NotNull,[id] [varchar] (50) not NULL,[value" [varchar] (50) not null, CONSTRAINT [PK_ HIS20140822] primary key CLUSTERED ([ no] ASC) with (pad_index = off, Statistics_norecompute = off, Ignore_dup_key = off, Allow_row_locks = on, allow_page_locks = on) ON [primary]) on [PRIMARY] No as the unique identification, acquisition

How I handle 430 million records per day in SQL Server

store a large amount of historical data, we will carry out a physical sub-table, otherwise every day millions records, a year down is hundreds of millions of. So, the structure of our table is this:CREATETABLE [dbo]. [His20140822] ([No] [bigintIDENTITY (1,1)NotNull,[dtime] [datetime]NotNull,[mgrobjid] [VARCHAR] (36)NotNull,[id] [varchar] (50) not NULL,[value" [varchar] (50) not null, CONSTRAINT [PK_ HIS20140822] primary key CLUSTERED ([ no] ASC) with (pad_index = off, Statistics_norecompute = o

(go) How do I handle 430 million records per day in SQL Server

will carry out a physical sub-table, otherwise every day millions records, a year down is hundreds of millions of. So, the structure of our table is this:CREATETABLE [dbo]. [His20140822] ([No] [bigintIDENTITY (1,1)NotNull,[dtime] [datetime]NotNull,[mgrobjid] [VARCHAR] (36)NotNull,[id] [varchar] (50) not NULL,[value" [varchar] (50) not null, CONSTRAINT [PK_ HIS20140822] primary key CLUSTERED ([ no] ASC) with (pad_index = off, Statistics_norecompute = off, Ignore_dup_key = off, Allow_row_locks =

SqlBulkCopy Import data (self-increment column retains original value)

Label: 1 //self-increment column rebuild: SqlBulkCopy BC = new SQLBULKCOPY (conn)2 //self-increment column retains original value: SqlBulkCopy BC = new SqlBulkCopy (conn,sqlbulkcopyoptions.keepidentity) 3 using(SqlBulkCopy SBC =NewSqlBulkCopy (conn,sqlbulkcopyoptions.keepidentity))4 { 5Sbc. DestinationTableName =TableName;6 foreach(stringColinchcollist)7 { 8 SBC. Columnmappings.add (Col, col); 9

Server Based Converter XML-based mobile data transformation

Red cherry Maple software --- another tool to flexibly apply data to mobile phones XML -based Data Transformation Server SoftwareBeijing Red Cherry Maple Software Co., Ltd.The server Based Converter (SBC) products based on XML applications were released with the Japanese head office Antena House. in the rapidly developing communication industry, mobile communication has become the most important communication service, and the mobile terminal has beco

Settings of input methods in winform

input from IME to set the value of this attribute to nocontrol. Important:Unless imemode has been set to imemode. Disable programmatically, you can change it interactively. In the previous case, you cannot use ime. (2) meanings of imemode attributes:Imemode enumeration: Specifies a value that is used to determine the status of the Input Method Editor (IME) of the selected object.The following is Microsoft's explanation: Member name Description

[Post] C # capture the webpage as an image

map.Of course, we may also encounter a situation where the webpage is wider than the screen. This is the first clip of our program, and then the browser scroll bar moves horizontally to capture the rest, then, connect and perform the preceding steps.// Get bitmap to hold screen fragment.Bitmap Bm = new Bitmap (screenwidth, screenheight,System. Drawing. imaging. pixelformat. format16bpprgb555 ); // Create a target bitmap to draw.Bitmap bm2 = new Bitmap (widthsize + urlextraleft, heightsize +Ur

Newtonprincipia _ the centripetal force of the Moving Object

line BC,The second time period is completed, and the object is found in C, which is in the same plane as the triangle ASB.Connection SC. Because Sb and CC are parallel, the area SBC is equal to the area SBC, so it is equal to the area SAB.Similarly, if the centripetal force has successively played a role in C, D, E, and so on,Allows objects to draw straight lines such as CD, de, and EF in their respective

[SIP Protocol] learning notes for beginners

-wide viewingSIP In a non-IMS network, the topology is as follows: In this structure, there are three main parts: Public Network and business customizer node: This is a PSTN network and a user-level device. DMZ zone: Some network elements connected to the Internet for security purposes. Core network: the core area of network message processing. Note: 1. The media server in the core network can sometimes play the role of UA. For example, if you customize the voice message service, the Media Serv

The area of an arbitrary polygon

) =s (+s) (1,3,4) +s (1,4,5) +s (1,5,6)Here we have some doubts, first, figure 1 is given a convex polygon, then this algorithm for non-convex polygon is also applicable? For example, the following is the simplest shape of a convex polygon:Figure 2With just the division method, there will be a strange problem, that is, there is a triangle appears in the outside of the graph, and the other one is beyond the scope of the polygon (divided in order to SAB,SBC

PHP Custom functions: Full-width half-width _php tutorial for mutual transfer

function Sbc_dbc ($STR, $args 2) {//half-width and full-width conversion functions, the second parameter if 0, is half-width to full-width; if 1, it is full-width to half-width $DBC = Array ( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, a, B, C, D, E, F, G, H, I, J, K, L, M, N, O, p, Q, R, S, T, u, V, W, X, Y, Z,-,,:, . , , , / , % , # , ! , @ , & , ( , ) , ",", ",",? , [ , ] , { , } , \ , |, +, =, _, ^, ¥, ̄, ' ); $

PHP custom functions: full-width half-width mutual conversion

Lt ;? PHPfunctionSBC_DBC ($ str, $ args2) {// Halfwidth and fullwidth conversion function. if the second parameter is 0, it is halfwidth to fullwidth. if it is 1, it is the fullwidth to halfwidth nbsp; $ DBCarray ( nbsp; 0, 1, 2, 3 Function SBC_DBC ($ str, $ args2) {// Halfwidth and fullwidth conversion function. if the second parameter is 0, it is halfwidth to fullwidth. if it is 1, it is fullwidth to halfwidth. $ DBC = array ( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, G, H, I, J, K, L,

More user-friendly control of user input (1 of n)

, // Inherit the IME mode of the parent control.NoControl, // none (default ).On, // IME enabled. This value indicates that the IME is enabled and can contain Chinese or Japanese characters. This value is only valid for Japanese, simplified Chinese, and traditional Chinese IME.Off, // IME is disabled. This mode indicates that the IME is disabled, which means that the object is in the same way as the English input mode. This value is only valid for Japanese, simplified Chinese, and traditional Ch

How I handle 430 million records per day in SQL Server (RPM)

-table, otherwise every day millions records, a year down is hundreds of millions of. So, the structure of our table is this:CREATETABLE [dbo]. [His20140822] ([No] [bigintIDENTITY (1,1)NotNull,[dtime] [datetime]NotNull,[mgrobjid] [VARCHAR] (36)NotNull,[id] [varchar] (50) not NULL,[value" [varchar] (50) not null, CONSTRAINT [PK_ HIS20140822] primary key CLUSTERED ([ no] ASC) with (pad_index = off, Statistics_norecompute = off, Ignore_dup_key = off, Allow_row_locks = on, allow_page_locks = on) ON

Go SQL Server that processes 430 million records per day

] [varchar] (50) not NULL, [value" [varchar] (50) not null, CONSTRAINT [PK_ HIS20140822] primary key CLUSTERED ([ no] ASC) with (pad_index = off, Statistics_norecompute = off, Ignore_dup_key = off, Allow_row_locks = on, allow_page_locks = on) ON [primary]) on [PRIMARY] No as the unique identification, acquisition device ID (GUID), monitoring indicator ID (varchar (50)), recording time, record value. and the acquisition device ID and monitoring indicator ID as the index, in order to quickly f

Java thread pool

executed before terminating, but no longer accepting new tasksShutdownnow(): Terminates the thread pool immediately, attempts to break the task in progress, and empties the task cache queue, returning tasks that have not yet been performed nine. implementationImport Org.junit.test;import Java.util.concurrent.executorservice;import Java.util.concurrent.executors;import Java.util.concurrent.scheduledthreadpoolexecutor;import Java.util.concurrent.timeunit;public class TestExecutor {@ Test p

Java thread pool

blockingqueue values are smaller, and the KeepAliveTime is small, if the task is frequent, then the system will frequently apply for recycling threads.5.Java Thread Pool Usage Example①newsinglethreadexecutorMythread.javapublic class MyThread extends Thread {@Overridepublic void run () {System.out.println (Thread.CurrentThread (). GetName () + "Executing ... ");}}Testsinglethreadexecutor.javapublic class Testsinglethreadexecutor {public static void main (string[] args) {//Create a thread pool of

Oracle's basic operations-DML,DDL,DCL

;Name Null? Type----------------------------------------- -------- ----------------------------T1 VARCHAR2 (20)T2 DATET3 numberT4 CHAR (7)1.2 Adding a column to a tableSql> ALTER TABLE T add T5 varchar2 (5);Table altered.Sql> desc t;Name Null? Type----------------------------------------- -------- ----------------------------T1 VARCHAR2 (20)T2 DATET3 numberT4 CHAR (7)T5 VARCHAR2 (5)1.3 Modifying the data ty

[Open source] No SQL Tour-chloe.orm of the changes and additions

)] [AutoIncrement] Public intId {Get;Set; } Public stringName {Get;Set; } PublicGender? Gender {Get;Set; } Public int? Age {Get;Set; } Public int? Cityid {Get;Set; } PublicDatetime? OpTime {Get;Set; }}First, create a DbContext:New Mssqlcontext (dbhelper.connectionstring);Then create a iqueryiqueryMulti-Table Connection queryIn the previous article, we introduced the query function of Chloe. When Chloe executes a connection query, the connection is established (the IqueryPseudo code://Assume that

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