Cust_ID,Cust_Name and Phone number but am going to write insert command i give only Customer_ID and Cust_Name that time it will show the error invalid

Question

Hi dear, Hi i have three columns like:

Cust_ID,Cust_Name and Phone number but am going to write insert command i give only Customer_ID and Cust_Name that time it will show the error invalid)',


Thanks&Regs

Manavalan