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Second-Highest Value Without LIMIT
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Second-Highest Value Without LIMIT

MediumSQL · PostgreSQL

Problem

Write a SQL query to find the second-highest loan disbursement amount from a transactions table without using the LIMIT clause for Navi.

Use the transactions table and consider only rows whose transaction type is DISBURSEMENT. The result should identify the second-highest distinct amount, ignoring NULL values and duplicate amounts.

Output

  1. Return one row with the column second_highest_disbursement.
  2. Return the second-highest distinct disbursement amount, or NULL if fewer than two distinct amounts exist.

Schema

transactions
ColumnTypeDescription
transaction_idPKINTUnique transaction identifier
transaction_typeVARCHAR(20)Transaction classification
amountNUMERIC(14,2)Transaction amount in the account currency
Tablestransactions
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