How do I compare two tables in different databases?

How do you compare tables in two different servers?

First, if you want to run codes locally, and two tables are from two different remote servers, then you need to add two link server. Then use checksum(*) to compare query requests. Or you can compare them directly. NOTE - checksum() not support NTEXT,TEXT,IMAGE data types in query columns.

How do you compare two tables in SQL?

Comparing the Results of the Two Queries Let us suppose, we have two tables: table1 and table2. Here, we will use UNION ALL to combine the records based on columns that need to compare. If the values in the columns that need to compare are the same, the COUNT(*) returns 2, otherwise the COUNT(*) returns 1.

How do I compare two database table structures in SQL Server?

Without the use of third party tools, one way to compare table schemas using native T-SQL is to query the INFORMATION_SCHEMA. COLUMNS metadata and build a custom made procedure or logic that compares two tables. Another way to do this is to use the dynamic management function sys.

How do I compare two database structures?

if you open a model tab, and select the databases menu, you get a compare schemas option, which you can use to compare two different schemas on two different servers, or two schemas on the same server, or a schema and a model, or a lot of other options i haven't tried yet. Show activity on this post.