how to compare two table data in sql server

Query all indicates that the select name from sysobjects where xtype= ' u ' select * from sys.tables//queries the database for all table names and row counts select A.name, B.rowsfrom syso Bjects as a INNER JOIN sysindexes as B on a.id = b.idwhere (A.type = ' u ') and [B.indid in (0, 1)] ORDER by A.name,b.rows DE sc//query all marked and space consumption \ line number Selectobject_name (ID) tablename,8*reserved/1024 Reserved,rtrim (8*dpages) + ' KB '

Copy codeThe Code is as follows:Insert into # DirtyOldWIPBOM select top (100) PERCENT dbo. WIP_BOM.Model, dbo. WIP_BOM.PartNumber, WIP_BOM.WIPFROM dbo. WIP_BOM left outer join dbo. BOM_CHINA on ltrim (dbo. WIP_BOM.Model) = LTRIM (dbo. BOM_CHINA.Model) and ltrim (dbo. WIP_BOM.PartNumber) = LTRIM (dbo. BOM_CHINA.PartNumber) AND dbo. WIP_BOM.Qty = dbo. BOM_CHINA.Qty AND BOM_CHINA.WIP =WIP_BOM.WIP WHERE (dbo. BOM_CHINA.Model is null) and exists (SELECT * FROM dbo. BOM_CHINA where wip = WIP_BOM.WIP a

Select ' INSERT INTO table_name (ID,CODE) VALUES (' +cast (id as varchar) + ', ' ' +code+ ' "); ' Sql_str from Canton;SQL Server table data exported as INSERT INTO statement

@ columndata =''Fetch next from syscolumns_cursor into @ name, @ xtypeWhile @ fetch_status BeginIf @ fetch_status BeginIf @ xtype not in (189,34, 35,99, 98) -- timestamp does not need to be processed. Image, text, ntext, SQL _variant will not be processed for the moment.BeginSet @ column = @ column + case when Len (@ column) = 0 then 'else', 'end + @ nameSet @ columndata = @ columndata + case when Len (@ columndata) = 0 then ''else', '','', 'end+ Cas

In the data room charging system, there are several such situations: Start date and end date. I believe you are smart enough to figure out why there are two date controls! Yes, it is to find records in these two date ranges from a table! Some people just said, it's not easy! Suppose we define the first control as Begin, and the second control as Over! The query statement is notCopy codeThe Code is as follow

Get Data fields (field and type information for a table)SELECT Table name= CaseWhen a.colorder=1Then D.nameElse "'End, table description= CaseWhen a.colorder=1Then IsNull (F.value,"')Else "'End, field ordinal=a.colorder, field name=a.name, Logo= CaseWhen ColumnProperty (A.id,a.name,'isidentity')=1Then'√'Else "'end, pri

To obtain the data of the columns in a table, you must first understand the five system tables in sqlserver. Sysobjects, syscolumns, policypes, sysindexes, sysindexkeys Sysobjects, each database has a system table that records all database objects. For example, we can obtain the primary key and table object name fr

Label:Suppose the data table structure to insert the data is as followsID is a self-increment column,Insert into UserInfo (username,userpass,email,regtime) output inserted.id values (' AAAAA ', ' AAAAA ', ' AAAAA ', GETDATE ());Insert into UserInfo (username,userpass,email,regtime) output inserted.id values (' AAAAA ', ' AAAAA ', ' AAAAA ', CONVERT ( datetime, '

Querying all table names select name from sysobjects where xtype= ' u 'SELECT name, object_id, principal_id, schema_id, parent_object_id, type, Type_desc, Create_date, Modify_date, Is_ms_sh ipped, is_published,Is_schema_published, lob_data_space_id, filestream_data_space_id, max_column_id_used, Lock_on_bulk_load, Uses_ansi_ Nulls, is_replicated,Has_replication_filter, is_merge_published, is_sync_tran_subscribed, Has_unchecked_assembly_data, Text_in_ro