teradata sql queries

insert (len/1000+1) times " "groups=divideintogroups (alltuples) Count=0 forGrouptuplesinchgroups:affectrows=Db.executemany (Insertsql, Grouptuples)ifAffectrows:count+=affectrows db.commit () needinsertnum=Len (alltuples) ispassedmsg= ('OK' ifNeedinsertnum==countElse 'SOME ERROR') Printandlog ("need insert%d records, and actual%d.%s"% (Needinsertnum, Count, ispassedmsg))The calling method is as follows:Insertsql = "INSERT into student (name, age) value (%s,%s)"Alltuples = [("Zhang", +), ("Qian"

Label:Original link: http://blog.sqlauthority.com/2010/10/06/ sql-server-quickest-way-to-identify-blocking-query-and-resolution-dirty-solution/ SELECTDb.name DBName,TL.REQUEST_SESSION_ID,WT.BLOCKING_SESSION_ID,object_name (p.object_id) Blockedobjectname,Tl.resource_type,H1. TEXT as Requestingtext,H2. TEXT as Blockingtest,Tl.request_modeFrom Sys.dm_tran_locks as TLINNER JOIN sys.databases db on db.database_id = tl.resource_database_idINNER JOIN sys.dm_

Reprinted from: http://www.cnblogs.com/LoveJenny/archive/2013/01/15/2860553.htmlMany people know about SQL injection, and they know that SQL parameterized queries can prevent SQL injection and why it is not known by many to prevent injection .This article is mainly about this question, perhaps you have seen this piece

MySQL queries the SQL code for the data of this week, last week, this month, and last month. Query data for the current week SELECT name, submittime FROM enterprise where yearweek (date_format (submittime, '% Y-% m-% D') = YEARWEEK (now ());Query last week's dataSELECT name, submittime FROM enterprise where yearweek (date_format (submittime, '% Y-% m-% D') = YEARWEEK (now ()-1;Query data of the current mont

SQL queries by a value of the date. -- Take 12:56:55 as an Example-- Convert (nvarchar (10), CreateDate, 120) => 2013-12-10-- DATEPART (month, CreateDate) => 12-- DATEPART (year, CreateDate) = gt; 2013 -- This is also possible-- YearSelect datepart (YEAR, '2017-06-08 ')Select datepart (yyyy, '2017-06-08 ')Select datepart (yy, '2017-06-08 ')-- MonthSelect datepart (MONTH, '2017-06-08 ')Select datepart (mm,

Loading editor... How to write an SQL statement that queries the corresponding values of all Id fields in one table in another table?Multi-table join query:Select RBD. rbdid, RBD. productcode, P. productcnname, P. [standard], p. impression, PB. BrandName, cgdw. unitname, UN. unitname, RBD. buyingamount, RBD. unitpriceFrom pcs_requestbuydetails as RBDLeft join pm_products as P on RBD. productcode = P. produ

Problems with sorting SQL queries SELECT *, Group_concat (', Concat_ws (' X ', ' sku ', ' quantity-purchased '), '), Group_concat (', ' order_id ', ' ') from ' sale_orders ' WHERE ' shipments ' =0 and ' number ' = $id GROUP by ' recipient-name ', ' ship-address-1 ' ORDER by ' SKU ' May I ask Group_concat (' ', Concat_ws (' X ', ' sku ', ' quantity-purchased '), ') the results can be sorted??? The follow

Article from: Baidu know/** Query whether all data in a database contains the specified string*/Declare @str varchar( -)Set @str='Dynamic Soft' --the string to search forDeclare @s varchar(8000)DeclareTbcursorLocal forSelectS='if exists (select 1 from ['+B.name+'] where convert (varchar,['+A.name+']) like"'%'+@str+'%"') Print"'Select Top 5 ['+A.name+'],* from ['+B.name+']" " fromSyscolumns AJoinSysobjects b ona.ID=b.idwhereB.xtype='U' andA.status>=0--field type of the column being looked up an

1. Use of computed columnsWhen querying computed columns: select ten from Deptno; The query results will be a column of numbers 10,deptno the table has a few lines of content, where the number of rows will appear 10.The use of 2.distinct.The main function is to go heavy;It is important to note that when you go to two or more fields, the relationship between the fields is "or" and only the exact same content is removed.3.between4.in5.topThere are two forms, top2 refers to the first two, top perce

The has been used since the start of the project. The original of this stored procedure (SORRY, forget the name), write this section of the SQL code is very good, I on this basis, according to my habits and thinking mode, adjusted the code, only to do paging query. /*----------------------------------------------*procedure name:p_pageresult * Author:fay * Create date:2014-07-18 * * CREATE PROCEDURE Prcpageresult--Get data for a page--@currPage

Tags: SELECT * from Information_schema.columns WHERE table_name= ' account ' SELECT [case] A.colorder=1 then d.name Else ' ' End ' as table name,--if the table name is the same, return the empty a.colorder as field ordinal, a.name as field name, (case when ColumnProperty (A.id,a.name, ' Isidentity ') =1 then ' √ ' else ' end as identifier (case when (SELECT count (*) from sysobjects--query primary key Where (the name in (the SELECT name from sysindexes WHERE (id = a).

Tags: font infinite structure sha where from logs pre sharpID,PID infinite structure, querying all subordinates or all ancestors of an ID, using with ASLook for subordinates with ID 1/* Find all subordinates with Id 1 * /with T as ( SELECT id,pid,name,0 L from User WHERE id=1 UNION all select U.id,u. Pid,u.name,l+1 from the User U INNER JOIN t on u.pid=t.id ) SELECT * from T Find all superiors with ID 100/* Find all ancestors with Id 100 * /with T as ( SELE

Tags: sel div tab Query 2017 UART try select any1. The following table, for the 2017 Q1 quarter from A_country to other cities of the highest volume of the company, and output volume sum ID from_country to_country company_name company_count year quarter month Select * FROM (select sum (company_count) as Top_count,company_namefrom testdat

Label:How to query data within half an hour select * from 1 表名 . wheredatediff(minute,createtime,getdate()) Ways to query the data of the day select * from 1 表名 . wheredatediff(day,createtime,getdate())=0 2, select * from 表名 where CONVERT (varchar (8), createtime,112) =convert (varchar (8), GETDATE (), 112) Recommend this type, high efficiency 3. Select * FROM table name where CAST (createdate as Date) =cast (GETDATE () as date) 3, String. Format (" select * from 表名 where createdate>= ' {1} 0:00

fromVW_PFJRDMX,VW_PFXHMX, KehuwhereKehu. Khdm=VW_PFJRDMX. DM1 andVW_PFJRDMX. SPDM=Vw_pfxhmx. SPDMGroup byKehu. KHDM, Kehu. KHMC;/*Wholesale Comparison Statistics current period limit: 2010-05-01 to 2010-05-31 Previous period time limit: 2010-04-01 to 2010-04-30 Commodity code pre-shipment amount The amount of goods shipped in the current issue volume increase: ( Current issue amount-pre-shipment amount) growth rate: (current issue amount-pre-shipment amount) *100/Pre- shipment amount*/SelectSh

The function I want to implement is to count the first three records of each order in the Order Log table, with the following table structure:An order in the Fixed bar log table has more than one record, according to the time to query out the first three records of each order, SQL as follows: SelectB.ordernumber,b.creationtime,b.remark from ( SELECTA.ordernumber,a.creationtime,a.remark from [Fortunelabford].[dbo].[So_log]awhereA.sysidinch (

Query all data with user number 1165:Select * from where inch (7,1,2, Yonghuid = '1165'orderbydescQuery for data with user number 1165 and monitoring parameter (1,2,7,15,19,20): Select * fromT_JIANKANGJC_JIANCESJ Awhere exists( Select * from ( SelectJiancecsid,Max(JIANCESJ) asFtime fromT_jiankangjc_jiancesjwhereYonghuid='1165' andJiancecsidinch( +,7,1,2, -, the)Group byjiancecsid) x whereX.jiancecsid=A.jiancecsid andA.jiancesj=X.ftime)SQL Server

Tags: des style blog http color io ar data spSQL to create the table usedCREATE TABLE [dbo]. [Emp_pay] ( [EmployeeID] [int] NOT NULL, [Base_pay] [money] is not NULL, [commission] [Decimal] (2, 2) is not null) on [PRIMARY ]The resulting table, and the data in the table:--Method OneSelect Top 1 * from( SELECT TOP 2 * from [dbo].[Emp_pay] WHEREBase_pay= - Order byEmployeeIDASC) asA--Note: Be sure to specify an alias after the derived table. Order byA.employeeidDESC--Me

Dry goods are as follows:exec sp_addlinkedserver ' itsv ', ' ', ' SQLOLEDB ', ' crs.***.com,6598 ' exec sp_addlinkedsrvlogin ' itsv ', ' false ', NULL, ' sa ', ' Password '--exec sp_droplinkedsrvlogin ' ITSV ', null --Delete mappings (mapping to remote logins on linked servers) --exec sp_ Dropserver ' ITSV ' --delete remote server link Select * from ITSV.biz_xjp_rpt.dbo.rpt_b_territory where repid= ' dsr0009 'How SQL

/ * First implementation method, low efficiency and error * /DECLARE @DD DATETIME SET @DD = GETDATE () SELECT a.goodsid, A.account, a.lastupdate from Dbo.tb_app_goods a left JOIN dbo.tb_app_goods b on a.account = B.account and A.lastupdate > B.lastupdate GROUP by A.goodsid, A.account, A.lastupdate have COUNT (B.GOODSID) / * The second method of implementation, high efficiency and accurate * /SET @DD = GETDATE () SELECT a.goodsid, A.account,