How do you load first and last records into target table? How many ways are there to do it? Explain through mapping flows.

642

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I have two different source structure tables, but I want to load into single target table? How do I go about it? Explain in detail through mapping flow.

647

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Explain in detail about scd type 1 through mapping.

593

---

Write the unconnected lookup syntax?

664

---

Write the unconnected lookup syntax and how to return more than one column.

599

---

How do you remove duplicate records in informatica? And how many ways are there to do it?

720

---

What is dimensional table? Explain the different dimensions.

669

---

What are the types of caches in lookup?

580

---

What are the types of caches in lookup? Explain them.

555

---

Differentiate between router and filter transformation?

621

---

I have 100 records in source table, but I want to load 1, 5,10,15,20…..100 into target table. How can I do this? Explain in detailed mapping flow.

1093

---

What are the differences between oltp and olap?

555

---

What are the types of schemas we have in data warehouse and what are the difference between them?

529

---

Differentiate between reusable transformation and mapplet.

581

---

Why update strategy and union transformations are active?

598

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