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‘标识不同‘whena.主键 then‘主键设置不同‘whena.类型 then‘字段类型不同‘whena.占用字节数 then‘占用字节数‘whena.长度 then‘长度不同‘whena.小数位数 then‘小数位数不同‘whena.允许空 then‘是否允许空不同‘whena.默认值 then ‘默认值不同‘whena.字段说明 then‘字段说明不同‘else‘‘end, * from#tb1 a fulljoin#tb2 b on a.表名1=b.表名2 anda.字段名=b.字段名 wherea.表名1 isnullora.字段名 isnullorb.表名2 isnullor b.字段名 isnullora.标识 ora.主键 ora.类型 ora.占用字节数 ora.长度 ora.小数位数 ora.允许空 ora.默认值 ora.字段说明 orderbyisnull(a.表名1,b.表名2),isnull(a.序号,b.序号)--isnull(a.字段名,b.字段名) go "Execution Results"PS: Please use the sy
How do Excel2010 compare tables? Example: The following figure shows two tables to compare, one is the inventory table, the other is the Financial software export table. Require a comparison between the two tables to see if the same item is in the same inventory quantity,
new system reduces manual intervention and increases by 80 age points. First run the data in the old system and import it to a backup table. Run it again with the new system. The quantity is the same as that in the backup table. I feel a bit open. The following method is used to compare whether each row of data is the same: SELECT COUNT (0) FROM ( SELECT * FROM table_nm_bac UNION SELECT * FROM table_nm ) The table table_nm_bac and table table_nm cont
Two databases compare view stored procedures and table structure differences Comparison of views and stored procedures The principle uses the system table "sysobjects" and the system table "syscomments" to compare views and stored procedures in the database. system table "sysobjects" before a detailed introduction, interested to see:
is easy to migrate changes and compare versions, backup files. In this article, I will tell you how easy it is to save your database script until the sourceCodeControl. 1. Tutorial First, create a new project in SQL compare. More careful people may notice that red gate has brought a lot of interface changes and enhancements. I want to create a set of di
These days are doing two development based on open source systems, adding fields as you change sides.The previously modified system was also run on the line.The design management of the table structure is confusing.There is no good way to find a bit on the internet there is no good way.Many software can generate changes to the SQL code, but can not be visually viewable for easy development.Then I found a gadget. Databasecompare is very useful,You can
After the large-scale module development of the already running system, the database and the program changes are relatively large.If you start to develop without strict requirements, or personnel do not follow the requirements, or personnel turnover unqualified, it is easy to cause the document is incomplete, you must compare two database differences.The following SQL compares the
When the beta version of the project is synchronized (deployed) to the official version, the structure of the two databases compared with the synchronization, if the database is not modified when modifying those tables, it is difficult to synchronize two of databasesRedgate SQL Compare usage Brief description:1. Compare
SQL Application and Development: (5) connecting multiple data tables and multiple SQL tables Different tables in the database store different data. Users often need to use the data in multiple tables to combine and extract the req
. Tutorial SQL compare is a tool commonly used by programmers to compare the differences between two databases. Can be used to compare objects in a database. For example, stored procedures, database data, and table structure. Next I will briefly introduce how to use 1. Se
commonly used by programmers to compare the differences between two databases. Can be used to compare objects inside the database. such as stored procedures, data in the database, the structure of the table. Let me briefly explain how to use1, select the database to compare, point "
Tags: ges open the menu bar using the Install package product hive text hintFirst, the use of the tutorialSQL Compare is a tool commonly used by programmers to compare the differences between two databases. Can be used to compare objects inside the database. such as stored procedures, data in the database, the structur
One of the Red Gate series SQL Compare 10.4.8.87 Edition Database comparison tool complete hack + tutorialRed Gate Series two SQL Source control 3.0.13.4214 Edition Database version controller complete hack + use tutorialRed Gate Series Three SQL Server development tool SQL
store your work.Summary In this chapter, you have learned how to use T-SQL and Enterprise Manager to modify, add, detach, and rename data rows for modifying database data tables. The functional differences between T-SQL and Enterprise Manager are gradually presented in our learning. You have also learned how to use th
O.table_schema , O.table_name, O.table_comment, O. ' column_name ' as Old_column_name, O. ' Column_type ' as old_column_type,n. ' COLUMN_NAME ' As New_column_name, N. ' Column_type ' as New_column_typefrom old_column_info O, new_column_info nwhere o. ' Table_schema ' = n.table_schemaand o. ' table_name ' = N.table_nameand o. ' column_name ' = N.column_ Nameand o.column_type! = n.column_type;--Query the old repository for data that does not exist in the new library Selecto.table_schema, O.table_
accessible to all users, because only the user's own session can be accessed. For this reason, local temporary tables are also much higher in security than global temporary tables. For this reason, the author thinks that the database administrator should master the application skills of the local temporary table. Then compare the information about the global tem
Requirements: Oracle database, b library C library, some tables have inconsistent table structure, now requires the C library as the standard, synchronous Update B library table structurePL/SQL connects to the C library,Tools--Compare User Objects. --Select the table that needs to be compared--and the Target Session (connected to library B)--
A few days ago the interview encountered a more interesting question, is that there are two identical structure of the table A and B, but the two tables belong to different business processes, after a period of time found that the data of the two tables can not exactly match, there may be a more than B, or b more than a, or two may exist at the same time, Need to write
To compare two databases, you can use tools, such as toad, or write a stored procedure yourself. I will introduce an SQL statement to check whether the table structure is consistent, and so on, you can write an SQL statement that compares the consistency of indexes and the consistency of constraints. The disadvantage of this
do not meet the criteria for the join criteria. The full outer join also returns the data rows in the left table that do not meet the criteria for the join criteria, and also returns the non-conformance in the right tableThe data row that the Join condition list conforms to the query criteria. The full outer join is actually a mathematical collection of upper left outer joins and right outer joins (removing duplicates), i.e. "all outside = left outer UNION right outside". Description: The left
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