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Select Distinct in Oracle

This article will show you how to query distinct data from tables using the Oracle SELECT DISTINCT statement. In a SELECT statement, the DISTINCT clause is used to filter duplicate rows from the result set. It assures that the rows returned are unique for the SELECT clause’s given column or columns. The syntax of the SELECT DISTINCT statement is shown below: The values in column…

Windows System Error Code 776 – ERROR_REQUEST_OUT_OF_SEQUENCE (0x308)]

In this post, you’ll learn about the Windows System Error ERROR_REQUEST_OUT_OF_SEQUENCE (0x308)] and the reason why you are receiving the error message How does this Error in Windows Look like? Error Code 776 ERROR_REQUEST_OUT_OF_SEQUENCE (0x308)] Why do you receive the System Error Error Code 776 ERROR_REQUEST_OUT_OF_SEQUENCE (0x308)] in Windows? The client of a component requested an operation which is not valid given the state of…

How to fix the Oracle error ORA-16614: Data Guard broker configuration is disabled?

In this post, you’ll learn more about the Oracle ErrorORA-16614: Data Guard broker configuration is disabled with the details on why you receive this error and the possible solution to fix it. Oracle Error Description ORA-16614: Data Guard broker configuration is disabled Reason for the Error ORA-16614: Data Guard broker configuration is disabled An attempt to enable a database failed because the Data Guard broker…

How to fix the Oracle error ORA-31057: Display Name of the element being inserted is null?

In this post, you’ll learn more about the Oracle ErrorORA-31057: Display Name of the element being inserted is null with the details on why you receive this error and the possible solution to fix it. Oracle Error Description ORA-31057: Display Name of the element being inserted is null Reason for the Error ORA-31057: Display Name of the element being inserted is null The Display Name…

How to fix the Oracle error ORA-39174: Encryption password must be supplied.?

In this post, you’ll learn more about the Oracle ErrorORA-39174: Encryption password must be supplied. with the details on why you receive this error and the possible solution to fix it. Oracle Error Description ORA-39174: Encryption password must be supplied. Reason for the Error ORA-39174: Encryption password must be supplied. No encryption password was supplied to import a dump file set that was created using…