Marketing-Cloud-Developer Leak Questions

After usingLookupRowsto retrieve data when building a dynamic email, the next step before using this rowset within a FOR loop is touseRowCountto ensure the rowset contains data (D). This validation ensures that there are rows to iterate over, preventing potential errors or empty iterations in the FOR loop.

Example:

SET @rows = LookupRows("DataExtensionName", "FieldName", "Value") SET @rowCount = RowCount(@rows) IF @rowCount > 0 THEN FOR @i = 1 TO @rowCount DO SET @row = Row(@rows, @i) /* process each row */ NEXT @i ENDIF

References:

• Salesforce Marketing Cloud AMPscript Guide
• AMPscript RowCount Function

A Query Activity in an Automation can fail for several reasons, including:

• The query takes more than 60 minutes to run (A)- Long-running queries are subject to timeouts, which can cause the query to fail.
• The query results in duplicate rows not allowed by the primary key (C)- If the query attempts to insert duplicate rows into a data extension that has a primary key constraint, it will fail.
• The query is inserting a value that is larger than the size of a field (E)- If the query attempts to insert data that exceeds the field size limits, it will result in an error.

References:

• Salesforce Marketing Cloud Query Activity
• Salesforce Marketing Cloud SQL Best Practices

To ensure the expiration date on a coupon is the last day of the month, the developer shouldfind the first day of the next month and subtract one day (A). This approach guarantees that the expiration date is set to the last day of the current month.

Example AMPscript:

SET @firstDayNextMonth = DateAdd(DatePart(Now(), "MM"), 1, "M") SET @lastDayCurrentMonth = DateAdd(@firstDayNextMonth, -1, "D")

References:

• Salesforce Marketing Cloud AMPscript Guide
• Salesforce Marketing Cloud Documentation

TheFormatCurrencyAMPscript function is used to format a numeric value as a currency. To return a value of $6.96, the function would correctly format inputs like:

• 6.96 (B)- This is a direct numeric value that will be formatted to $6.96.
• 6.96 (D)- Same as above, the numeric value is directly formatted to $6.96.

UsingFormatCurrency(6.96)in AMPscript will result in$6.96.

References:

• Salesforce Marketing Cloud Documentation on FormatCurrency
• AMPscript Guide