How do you write an IF ELSE statement in Informatica?
How do you write an IF ELSE statement in Informatica?
IIF is used to check given conditional statement and return true or false. When the false statement is provided, the function act as If Else condition and if the argument is omitted it acts as If condition….IIF – Conditional Statement in Informatica.
| Salary | Bonus |
|---|---|
| 5000 | 0 |
| 5500 | 100 |
| 2500 | 0 |
What is the difference between IIF and decode in Informatica?
Decode can be used in Select statement whereas IIF cannot be used in a Select statement.
IS NOT NULL function in Informatica?
Returns whether a value is NULL. ISNULL evaluates an empty string as FALSE. To test for empty strings, use LENGTH….Example.
| ITEM_NAME | RETURN VALUE |
|---|---|
| Regulator system | 0 (FALSE) |
| ” | 0 (FALSE) Empty string is not NULL |
What is expression transformation in Informatica?
Expression Transformation in Informatica is one of the passive transformation features that is used to manipulate row-wise data through the mapping. It accepts data from input ports and processes the record-wise data modification using several operations or functions though the variable ports and output ports.
How do you write coalesce in Informatica?
COALESCE Example SELECT lastname, job_desc, COALESCE(salary, contract, commission, subsistence) FROM payroll; In this example, a worker on the payroll is paid either a regular salary, contract pay, a commission, or subsistence wages.
What is reject file in Informatica?
During a mapping run, the Data Integration Service creates a reject file for each target instance in the mapping. If the Data Integration Service cannot write a row to the target, then the Data Integration Service writes the rejected row to the reject file.
How do I check if a value is null in Informatica?
To check for null values in columns, you must use the ISNULL() in comparison expressions. handles null values in comparison expressions in the Lookup transformation.
How do you check if a expression is null?
Important: Use the IsNull function to determine whether an expression contains a Null value. Expressions that you might expect to evaluate to True under some circumstances, such as If Var = Null and If Var <> Null, are always False. This is because any expression containing a Null is itself Null and, therefore, False.
Why lookup is used in Informatica?
Lookup transformation is used to look up a source, source qualifier, or target to get the relevant data. It is a kind of join operation in which one of the joining tables is the source data, and the other joining table is the lookup table.