how to compare two table data in sql server

Today encountered a problem, the original production system is running healthily, now need to monitor a data table, when adding data, to the administrator to send mail. After receiving this requirement, a colleague offers a scenario: write triggers that trigger external applications . This is a bold idea, and never wrote such a trigger. The following is a refer

Synchronize table data between Oracle and SQL Server Synchronize some tables in SQLServer2008 to the Oracle database. We can use the linked server and SQLAgent to synchronize data between different database types. Instance 1:SQL

These days of practice. Come across a little bit of a problem. For example, I have scores initialized in the score table for all 0. So now I want to randomly generate 100 or less data to write in, how should I do it? You can use a few small functions.One is rand ()It is responsible for generating random numbers.One is cast ()It is responsible for type conversions.One is round ()It is responsible for roundin

A gas station management system developed by the company, written in C #, was previously developed using SQLSERVER2000, currently, the SQL Server 1.0 database is the same. The first version is 1.1, and the second version is, all are called GPOSDB, but the database of Version 1.1 has three table fields that are several more than those of version 1.0. A gas statio

When reading or modifying data in the database, the database engine uses a dedicated control type to maintain the integrity of the database, which is called the lock mechanism. The lock mechanism ensures Database Consistency by ensuring that the database records contained in a transaction cannot be modified by other transactions before the transaction is committed. When designing database applications, you should remember different types of locks an

Original: SQL Server-Use the Merge statement to synchronize contrast between table dataThere are many ways to implement synchronization between table data, such as deleting and then re-insert, or writing some other branch criteria to determine whether to insert or UPDATE. In

In SQL Server, all rows of data are duplicated and cannot be updated or deleted. The problem is usually the table without a primary key. Error: Check whether the table has a primary key. If not, you have In SQL

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function at the publisherMethod Seven: Compare the checksum values of the contents of two tables with checksum checkBut this approach is only confined to the two-table structure.I copy the data from the [t1_new] table to a new table for comparisonSELECT * from [dbo].[t1_ne

When it comes to SQL Server programming or management, you will use the import and export of data, there are many ways to import and export, here is an example of SQL Server Import table data