🚀 ServiceNow Interview Questions Grind

Q1: How to set the default value of a Date/Time field to the current date-time?

👉 Answer:
Go to the Dictionary of the respective Date/Time field and set the default value as:

💡 Pro Tip: Use this when you want a field to auto-populate with the current time (e.g., “Opened At”).

Q2: What is Client Transaction Timing?

👉 Answer:
Client Transaction Timing provides detailed information ⏱️ on the duration of transactions between the client and the server.

📌 Requirement: Activate the plugin → Client Transaction Timing Plugin.

💡 Use Case: Helpful in performance troubleshooting.

Q3: What does the setWorkflow(e) function do?

👉 Answer:

• setWorkflow(true) → Enables business rules, workflows, and auditing (default).

• setWorkflow(false) → Disables business rules and auditing for that operation.

📌 Example:

👉 This updates the record without triggering business rules.

⚠️ Interview Hint: Useful when updating records in bulk without triggering unnecessary rules.

Q4: What does the setForceUpdate() function do?

👉 Answer:
Forces the record to be updated even if no fields were changed.

📌 Example:

💡 Pro Tip: Handy when you want to fire business rules or workflows even if the record data didn’t change.

Q5: What is the significance of the setLimit(n) function?

👉 Answer:
setLimit(n) restricts the number of records returned by a GlideRecord query.

📌 Example:

👉 Returns only 5 incidents.

Q6: How to get the row count in a GlideRecord?

👉 Answer:
Use the getRowCount() function.

📌 Example:

Q7: What is the difference between deleteMultiple() and deleteRecord()?

👉 Answer:

• deleteMultiple() → Deletes multiple records matching the current query (but does not delete attachments).

• deleteRecord() → Deletes a single record (including its attachments).

📌 Example:

💡 Pro Tip: Use deleteMultiple() carefully ⚠️ — it’s powerful and can wipe out large data sets quickly.