sql server compare tables

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: changing SQL from structure performing LSE highlight insert UPDFirst, two tables were created, Test1 and test2, with the expectation that the relevant records of Test2 could be changed at the same time when the test1 was changed. Assume that Test1 is the same as the table structure of Test2, as shown in the following table Name Age The trigger impl

sent, which can sometimes cause the same record to be fetched simultaneously by multiple processes and sent.Today, we looked at the MSDN of SQL Server and found that it was possible to ensure that each record was read only once by updating it at the same time through the deleted table (as if it were used in a trigger).Declare @Rowid table (Rowid int);BEGINSET ROWCOUNT 100; --Number of rows read at one time

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

Long unused SQL Server has been using NAVICAT to handle a variety of databases, it feels convenient to use, but because of the actual need to use SQL Server to create a new database, but unexpectedly encountered previously never encountered problems.After the construction of the table, want to modify some properties, t

First, the table structure of a table needs to be copied from one data (a) library to another database (B). The operation step is as follows:① in Database A, select the tables that you want to replicate. Right-Select the Edit table script to creat to the new Query editing window.② in the newly opened Query window, use CTRL + A to copy the script after you select all.③ opens a new query. Paste the copied script into the new query page. and modify the d

Tags: SQL Server tables, views, indexesFirst, the table related1. Create Use[test] Go setansi_nullson go setquoted_identifieron go CREATETABLE[dbo] . [Ceshi] ([Id][int]notnull, [Name][varchar (]null), CONSTRAINT[PK_Ceshi] primarykeyclustered ([Id]asc) with (Pad_index=off,statistics_ norecompute=off,ignore_dup_key=off,allow_row_locks=on, Allow_page_lo

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

Displays the column information of all tables in SQL SERVER.I am working on a program for importing an Excel file from the SQL server database. I want to read the column information in the database, find a lot of information from the Internet, and finally summarize the ideal SQL