In such a case, a character-stated month such as “JAN” for January or “JUL” for July, will cause the error by inserting an alphabetical name in a place that Oracle expects to read a numerical name (such as “01” for January or “07” for July). The error pops up when the user then tries to pass the date in the DD-MON-YYYY format.
This will most commonly be something along the lines of DD-MM-YYYY. What does this mean in simple terms? This error essentially occurs when a user attempts to convert a string of data into a date, and in doing so specified a date being passed in a particular format. The input data did not contain a number where a number was required by the format model.” Oracle docs list the cause of this error as “the input data to be converted using a date format model being incorrect. When prompted with the error, the user will receive an accompanying message that will state that “a non-numeric character was located where a digit was expected”. The ORA-01858 error is an issue of syntax and formatting. The ORA-01858 can be considered as a warning to users are jumping between various tables and data sets at a quick pace and are letting the formatting concerns slip through the cracks.
Others may need the month in a date written out in full and phonetic form.ĭespite the needs of the program, it would be impossible for any one individual to strictly adhere to the parameters of Oracle on every occasion. Some platforms may require only numerical digits in certain sections. Sometimes in working with database software, matters of syntax and formatting can overlap to create a plethora of problems for users.
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