1.

Give A Few Pre-defined Oracle Errors ?

Answer»

Pre-defined Oracle ERRORS are as FOLLOWS:

  • NO_DATA_FOUND —Refers to an ERROR when a SELECT statement does not return any result set.
  • DUP_VAL_ON_INDEX —Refers to an error when a program TRIES to store duplicate values in an indexed COLUMN.
  • TOO_MANY_ROWS —Refers to an error when a SELECT INTO statement returns more than one row.
  • VALUE_ERROR —Refers to an error when an arithmetic, conversion, truncation, or size-constraints error occurs.
  • ROWTYPE_MISMATCH —Refers to an error when the actual and formal parameters do not have the same datatypes

Pre-defined Oracle errors are as follows:



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