sql server compare two tables for differences

In SQL Server 2005/2008, if an ordered record is inserted into a staging table, the records queried from the staging table are ordered (not dependent on order by and ordered), but starting with SQL Server 2012, even if the inserted recordset is orderly, The result of the query becomes unordered. You need to rely on ord

mCursor cursorForSelect name from sysobjects where xtype = 'u'Open mCursorFetch NEXT from mCursor into @ TableNameWhile @ fetch_status = 0BeginSet @ SQL = 'Insert into tablespace'Set @ SQL = @ SQL + 'exec sp_spaceused ''' + @ TableName + ''''Exec (@ SQL)Fetch NEXT from m

Tags: sys database name SQL Server int distrib user ATI org table nameexec sp_configure ' show advanced options ', 1 reconfigureexec sp_configure ' Ad Hoc distributed Queries ', 1 reconfigureSELECT * into t_system_organization_bak_20180308From OPENROWSET (' SQLOLEDB ', ' 10.***.***.***, port; ' User name '; ' Password ', [Database name].dbo. Table name]exec sp_configure ' Ad Hoc distributed Queries ', 0 rec

Label:SQL Server: Bulk Delete table via sys.tables, or roll back table 1 beginTry2 Drop Table#temp103 EndTry4 beginCatch5 EndCatch6 7 Select 'drop/*truncate*/table tuning.'+Name asDroptable,row_number () Over(Order byName asRowNumber8 into#temp109 fromSys.tableswhereName like 'member%' andSchema_name (schema_id)='dbo' Ten One Select * from#temp10 A - Declare @rownumber int; - Declare @records int; the Declare @droptable nvarchar( -);

The computer re-installed sqlserver2008 R2 (English), New data table, new field, found that there is a field type set wrong, want to modify the field type, and the table has been saved, that is, after saving to modify the field properties. However, the modified settings cannot be saved, prompting "saving changes is not permitted" (specifically)Workaround:Find the Tools->options in the menu bar, find the designers, and then prevent saving changes that require table re_creation front of the tick,

can clearly know: by changing the local variable value, but after the rollback and after the commit to the variable does not work at all, we conclude that the local variable is not affected by the transaction, because its scope is limited. SQL Server transaction impact on temporary variablesLet's start by creating a temporary and inserting a piece of data, then opening the transaction to insert a piece of

Tags: style blog http io color ar os use forOriginal: SQL Server 2008 partition function and partition tableWhen we have a larger amount of data, we need to split the large table into smaller tables, then queries that only access departmental data can run faster, the basic principle being that the data to be scanned becomes smaller. maintenance tasks (for example

, DatabaseName represents the data name, and filename indicates the file name:ALTER DATABASE [DataBaseName] REMOVE FILE FileName;2. File group deletion:When the file group file is deleted, as normal understanding, you should be able to delete the filegroup directly, it is not practical, you can not delete filegroups.Because there are a few things that depend on filegroups, one is a partitioning scheme, and the other is a partitioned table that uses the partitioning scheme.Therefore, to delete a

sentence is the database name + owner + Table Name -- Directly export the "out" parameter -------------------------------------------/* If you want to use a query to export some fields to excel */ Exec master .. xp_mongoshell 'bcp "select orderid, cutomerid, freight from northwind .. orders order by orderid "queryout c: \ book2.xls-C-s" (local) "-U" sa "-P ""' -- A query statement is added to BCP and enclosed in double quotation

Tags: column display artificial objects based on serve cat COM statisticsBecause of the 2 databases before and after the project, it is necessary to change the structure of the statistical database, the change of each table needs to be counted, because the Manual check is a waste of time, wrote a little code: 1. Number of fields in the statistics table (how many columns are queried): 　Select count (name) from syscolumns where id=object_id (' Table name ') Eg:select count (name) from syscolumns w

Fieldtype = "char" Case 1, 135 Fieldtype = "datetime" Case 1, 131 Fieldtype = "decimal" Case 5 Fieldtype = "float" Case 1, 205 Fieldtype = "image" Case 3 Fieldtype = "int" Case 6 Fieldtype = "money" Case 1, 130 Fieldtype = "nchar" Case 1, 203 Fieldtype = "ntext" Case 1, 131 Fieldtype = "numeric" Case 1, 202 Fieldtype = "nvarchar" Case 4 Fieldtype = "real" Case 1, 135 Fieldtype = "smalldatetime" Case 2 Fieldtype = "smallmoney" Case 6 Field

/// /// Obtain the names of all database servers in the LAN. /// /// Server Name Array Public List String > Getsqlservernames () {datatable datasources =Sqlclientfactory. instance. createdatasourceenumerator (). getdatasources (); datacolumn Column = Datasources. Columns [ " InstanceName " ]; Datacolumn column2 = Datasources. Columns [ " Servername " ]; Datarowcollection rows = Datasources. Rows; L

, ") ELSE ' END, ParentID = 0, Colorder = 0 from syscolumns A Left JOIN systypes B on a.xusertype = B.xusertype INNER JOIN SYSOBJECTS D on a.id = d.id

I. Querying the database (Sys.databases--select *from sys.databases where name= ' Select *fromwhere name='MyDatabase'Second, query table (sysobjects--select *from sysobjects where id=object_id (' Select *fromwhere id=object_id ('studentsinfo')Third, query column (Syscolumns--select COUNT (*) from syscolumns where name= ' Select from where name='sname' and id=object_id ('studentsinfo ')Iv. querying a stored procedure or view (SELECT * from sysobjects where name= '

. nvarchar () double-byte storage. Text: Large space.　　C. Date data type: Datetime,smalldatetime　　D. Photo type: Image, generally not used, only the database record location.4. FOREIGN KEY constraintsRight-to-load, from table (foreign key table) to main table (primary key table).The data in the primary table cannot be deleted until the data in the child table is deleted.5. Check constraintsColumn value right--->check constraint--add keyword (email like '%@% ')6. Build diagramGraph right---Select

Label:1. Create a new database TestDB 2. Create a new table for the TestDB database userinfo Create a table named UserInfo, including the above fields, where the ID is the primary key and set the identity specification, Nation set the default value "China". Add some data to the table: --using the TestDB database use TestDB go--view data in a userinfo tableSelect* fromUserInfo--add data records for UserInfo insert into UserInfo values ('1001','Zhang San','123','Wuhan Hongshan District','[email

/*--Synchronizing readersINSERT into [172.21.200.8].gdlisxp.dbo. Reader Library (library card number, reader barcode, name, gender, ID number,reader level, level Code, Unit Code, Unit, debit, issuing date, expiration date, ethnicity, reservation information)Select Xs.sfzh,xs.sfzh,xs. XM,(case XS. XBM when ' 1 ' then ' Male ' when ' 2 ' then ' women ' else ' end ' as Xb,xs.sfzh, ' student ', ' B ',DW. Unit code, ' +zy.zymc,20 ', ' 2014-09-16 18:00:00 ' as issuing date, ' 2034-09-16 18:00:00 ' as

. Extended_properties. VALUE fromsyscolumnsINNER JOINSYS. Extended_properties onSyscolumns.id=SYS. Extended_properties. major_id andsyscolumns. COLID=SYS. Extended_properties. minor_idINNER JOINSYSOBJECTS onSyscolumns.id=sysobjects.idWHERESysobjects.name=So.name andSyscolumns.name=Sc.name) Description--So . Name Table name, SC. Name Column name fromSYS. COLUMNS Sc,sys. TYPES St,sys. SYSOBJECTS so--Column name information and table structure informationWHEREsc.user_type_id=st.user_type_id andSc.o

Label:This article is reproduced in the address: http://jingyan.baidu.com/article/d5c4b52bc5c102da570dc547.htmlDuplicate table structureIn the process of using SQL Server, we may need to copy the table from one database to another, and today, we will introduce you to the specific methods and steps of this operation.1. First, open and connect to SQL

Label: mentioned above: Article from Baidu Experience Operation: In the process of using SQL Server, we may need to copy the table from one database to another, and today we will introduce the specific methods and steps for this operation.Duplicate table structure 1First, open and connect to SQL Server, right