Is it possible to load the data in target table and use it as a source?

Is it possible to load the data in target table and use it as a source?

Yes this is possible provided you have ID as primary key in both source and target. You need to create to pipelines in same mapping. First pipeline will have usual flow of source to target. Records get loaded according to your logic.

How do I link a source and target in Informatica?

Mapping Between Source and Target Tables

1. In Informatica PowerCenter Designer, select the folder in the repository where you want to create your Vertica mapping.
2. Click the Mapping Designer icon.
3. From the Mappings list box, select Create.
4. Enter a mapping name and click OK.

What is source table and target table?

Essentially the source table is the place where the data is coming from and the target table is the place where the data is going to or the table that an action is taking place on. They do not have to be in different schema’s or have a different structure to each other and in fact they could actually be the same table.

How copy data from source to target in Informatica?

To copy an object using the Copy Wizard:

1. Open the target folder.
2. In the Navigator, select the object you want to copy.
3. Drag or copy the object into the target folder.
4. Click Yes in the Copy Confirmation dialog box.
5. Click Next if you do not encounter a conflict.
6. Click Next to view the next conflict.

How do you map from source to target?

Steps Involved in Source to Target Mapping

1. Step 1: Defining the Attributes.
2. Step 2: Mapping the Attributes.
3. Step 3: Transforming the Data.
4. Step 4: Testing the Mapping Process.
5. Step 5: Deploying the Mapping Process.
6. Step 6: Maintaining the Mapping Process.

How will you test if your source system and target system in different Database?

If both the source system and target systems are different then convert both the data into same or excleformat and then compare using excle macro.

How do I automatically link columns in Informatica?

To link ports by name using the Autolink by Name command:

1. Click Layout > Autolink by Name.
2. Select the mapping object that you want to link by name and drag the selected ports to another mapping object.
3. The Designer adds links between input and output ports that have the same name, regardless of name case.

Can we update the target without primary key in Informatica?

Your only way to update without primary key is to write an Target override in Target.By doing this, you dont need primary key for updation.

Where is the source and target information stored in Informatica?

A Source Definition in Informatica is an entity from where you pull the records, and then you store these records in temporary tables (staging tables) or Informatica transformation caches.

What is source and target Database?

The source database is the database from which the new changes are coming. Target database. The target database is the database to which you are moving the new changes.

Can we use target as source in Informatica?

You can reimport your target file sturcture in the source analyzer as source in the designer using the Import Flat File wizard. Hi, You can reimport your target file sturcture in the source analyzer as source in the designer using the Import Flat File wizard.

How do you compare a source and target database in testing?

If you take a case, where the source and target are different databases we can copy the data into an excel sheet and compare using some formulas or we can copy data into notepad++ and compare using compare plugins like Beyond Compare and multiple other comparison tools.

How will you test if your source system and target system in different database?

How do you validate data between source and target?

It involves validating full data set in the source and the target tables by using minus query.

1. You need to perform both source minus target and target minus source.
2. If the minus query returns a value, that should be considered as mismatching rows.

How do you compare data between source and target?

How do I link two columns in Informatica?

To link ports manually, click Layout > Link Columns. When you drag from one port to another, the Designer creates a connection. When you drag a port into an empty port, the Designer copies the port and creates a connection. You can also link multiple ports at the same time.

How do I add a target table in Informatica?

Creating a Target Table

1. Select the table T_ITEM_SUMMARY, and then click. Targets. Generate/Execute SQL.
2. In the. Database Object Generation. dialog box, connect to the target database.
3. Click. Generate from Selected tables. , and select the.
4. Click. Generate and execute. .
5. Click. OK.
6. Click. Close.

Can we generate surrogate key in Informatica?

Using Sequence Generator Transformation This is the simplest and most preferred way to generate Surrogate Key(SK). We create a reusable Sequence Generator transformation in the mapping and map the NEXTVAL port to the SK field in the target table in the INSERT flow of the mapping.

How can we update a record in target table without using update strategy?

If you do not use update strategy and use “insert else update” option at session, the informatica first look in to target table to see if the data exeist for coming primary key valye. If yes, it will update otherwise insert. Data will be either inserted or updated without checking against database.

How do you create a source table?

Select the ODBC data source that you created in order to connect to the source database. Use the information you entered in PowerCenter Source and Target. button appears and the ODBC name of the source database appears in the dialog box. window is open at the bottom of the Designer.