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Questions tagged [change-data-capture]

Change data capture (CDC) encompasses database design patterns to keep track of changed data and perform actions with it.

In databases, change data capture (CDC) is a set of software design patterns used to determine (and track) the data that has changed so that action can be taken using the changed data. Also, Change data capture (CDC) is an approach to data integration that is based on the identification, capture and delivery of the changes made to enterprise data sources.

CDC solutions occur most often in data-warehouse environments since capturing and preserving the state of data across time is one of the core functions of a data warehouse, but CDC can be utilized in any database or data repository system.

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Enabling Change Data Capture (CDC) for a specific DML operation

Am new to CDC.Is it possible to enable Change Data Capture for a specific DML operation(s) in SQL Server 2012? I know that by default it enables for Insert, Delete and Update. If I want to enable only for update then how can I achieve that? Also…
Rajesh Bhat
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SSIS CDC Permissions Error

I am creating an SSIS package using Change Data Capture. I have created the package, but I get the error below while executing it: [CDC Control Task] Error: "Only members of the sysadmin fixed server role or db_owner fixed database role can…
Thomas
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MS SQL Server CDC Cleanup Job to History Table

I have a DB that has CDC enabled. Let's take a simple customer table for example. dbo.Customer You enable cdc on this table and get: cdc.Customer_CT SQL Server Agent will run the capture and cleanup jobs and you can set the parameters. …
HondaRyanIntegra
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Sqldependency vs CDC for writing a data replicator from sql server to mongodb

I would like to write a simple replicator that replicates data from a sql server database to mongodb database. What are my options other than: a) Change Data Capture b) SqlDependency What is impact of each the options on sql-server db…
Amed
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CDC (Change Data Capture) is not harvesting logs and log file continues to grow

I am in a Windows environment running a MSsql server 2014 enterprise. I am running CDC on a DB with Always On High Availability Groups. When I first enabled CDC the log files were being harvested and CDC was working well. One day I noticed that my…
Princess
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SQL Server 2012 Change Data Capture Performance

I've been running CDC for about a week. I have SSIS packages that run daily to load the changes into a staging database. Until yesterday, the SSIS packages have been completing in about 5 minutes. Now the process will run for hours. It hangs on the…
Steven Barnhill
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SQL Server 2012 - Issue Enabling CDC

I am trying to enable CDC on my database using windows authentication user with "SYSADMIN" privileges, but sql server (2012) is giving the following error (See attached snapshot of the error for further details). "Could not update metadata that…
Osama Saleem
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MYSQL CDC(Change Data Capture)

I am looking for a method to capture mysql inserts,updates,delete operation and trigger a application or script to use those modified data to insert into mongodb in custom format.
vishnuk
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How to remove columns from CDC (in SQL Server)

I've enabled CDC on a table, using the code below, and by default it includes all of the columns. There is another way to enable CDC on a table while SPECIFYING the columns (code is given below). However, for me, that's too late - given my CDC was…
LearnByReading
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send a changed record of a SQL Server 2012 online database to an application

I am programming an online game (such as chess) which two players can play together online. each one of the players should have installed the game application (developed by C#) on their computers. when a player do some action, a record of a database…
Behzad Qasabie
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Difference between cdc.fn_cdc_get_net_changes_ and cdc.fn_cdc_get_all_changes_

What is the difference between cdc.fn_cdc_get_net_changes_ and cdc.fn_cdc_get_all_changes_ in SQL server? Much appreciated if I could get some help.
gong15A
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SQL CDC data processing options

I have a SQL Server CDC set up on few tables. Once the CDC is intiated the cdc tables are populated. I would want to process these changes and generate MQ messages for every change that occurs to send it to an external message queue. What is the…
rauts
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Remove data from cdc table

I am using CDC in sql 2008 and i want that whenever cleanup job executed it only removes data from cdc table which is one month older then current date . Is this possible ?
Ancient
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How to know which column's value is changed in CDC

I am using CDC feature in sql 2012 and lets suppose i have a table name as Employee and also have some records in it . Suppose someone changed Last Name in employee's table . Then there goes 2 entries in CDC table , have both records before change…
Ancient
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data capture using CDC

To capture the deleted user name I had added a new column in my CDC table (eg:- cdc.dbo_testCDC_CT) to set the logged SQL user name. ie; ALTER TABLE cdc.dbo_testCDC_CT ADD username VARCHAR(20) DEFAULT(SUSER_SNAME())). The value coming in that…
Sreepathi
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