Dec 22, 2015 · The SQL Server CDC capture process is responsible for populating change tables when DML changes are applied to source tables, but it ignores any DDL changes such as adding or dropping columns. It only captures data changes based on the format of the table at the time the table was enabled for CDC.

Dec 19, 2023 · In this article, learn about change data capture (CDC), which records activity on a database when tables and rows have been modified. This article explains how CDC works with SQL Server and Azure SQL Managed Instance. For …

Dec 4, 2024 · In this article, learn how change data capture (CDC) is implemented in Azure SQL Database to record activity on a database when tables and rows have been modified. For details about the CDC feature, including how it's implemented in SQL Server and Azure SQL Managed Instance, see What is change data capture (CDC)?

Feb 3, 2025 · CDC for Microsoft SQL Server operates by creating change tables (CDC tables) that mirror your source tables and include addition metadata columns to note the operation (insert,update,delete) as well as timestamps.

In the previous article, How to enable and use SQL Server Change Data Capture, we described the main features of SQL Server Change Data Capture and showed how to set it up. Now, we will analyze the records stored in change tables and describe the methods to read them.

Change data capture records insert, update, and delete activity applied to SQL Server tables, supplying the details of the changes in an easily consumed relational format.

incremental load jobs that use log-based CDC capture DML and DDL changes by parsing records from the active transaction log and by reading change records directly from the CDC tables. Change data is read from the active transaction log if the required restart point (LSN) is …

Mar 18, 2019 · Change Data Capture can be used as an asynchronous SQL Server Audit solution, to track and audit the table’s DML changes, such as INSERT, UPDATE or DELETE operations, with no option to track the SELECT statements.

Microsoft SQL Server 2008 has introduced a very exciting feature for logging DML changes. 2. Change data capture provides information about DML changes on a table and a database.

May 2, 2020 · Change Data Capture (CDC) records DML operations executed on SQL Server tables in simple relational known as “change tables”. These change tables contain columns that reflect the column structure of the source table being tracked for changes, along with the metadata needed to understand the changes that have been made.