Compare 2 Tables In Sql Server 2008

How to do a quick estimated compare of data in two large sql server databases to see if they are equal.

Compare 2 tables in sql server 2008.

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. Select column name data type is nullable character maximum length from information schema columns where table name mytable if the two queries return the same data the tables are effectively the same. You need to enable this feature and you also need to have sql server agent running. Compare and synchronize images between two sql server databases.

Union allows you to compare data from two similar tables or data sets. Below are some of the methods you can use to compare two tables in sql. The overflow blog the perils of impersonation tooling. Sql server merge statement overview and examples.

Browse other questions tagged sql server 2008 t sql join or ask your own question. When you have two tables or resultsets from select statements that you wish to compare and you want to see any changes in any columns as well as to see which rows exist in 1 table but not the other in either direction i have found that the. Ask question asked 3 years 1 month ago. Compare two tables using union all.

2019 09 07 i often come across the need to compare data from 2 tables in sql server and see if there is any mismatching. Wed nov 10 2004 by jeff smith in t sql techniques group by. I have a table that looks like this. Temporal tables in sql server.

The shortest fastest and easiest way to compare two tables in sql server. Viewed 1k times 0. Say you have requirement to compare two tables. Run a query on each that returns the table structure.

Compare sql server data in tables using change data capture cdc this feature is available in sql server 2008 and later. Compare data of two tables suresh kumar 2019 09 23 first published. Using memory optimized tables to replace sql temp tables and table variables. You have two tables in same database or server that you wish to compare and check if any changes in the column values or see if any row is missing in either of tables.