Labels:text | screenshot | font | number | document | parallel OCR: Name Description DUMP Returns a string containing a "dump" of the specified expression. This dump includes the data type, length in bytes, and internal representation. GREATEST Returns the greatest of the specified list of values. One of the really nice things about GREATEST is that there is no pre-determined limitation to the number of values you can pass to it. LEAST Returns the least of the specified list of values. As with GREATEST, there is no pre-determined limitation to the number of values you can pass to LEAST. NVL Returns a substitution value if the argument is NULL. Remember, in Oracle a NULL value is not a blank or a zero or FALSE. It means "the absence of value" and must be handled differently from known values. SQLCODE Returns the number of the Oracle error for the most recent internal exception. SQLERRM Returns the error message associated with the error number returned by SQLCODE or with another, explicitly specified error number. UID Returns the User ID (a unique integer) of the current Oracle session." USER Returns the name of the current Oracle user. USERENV Returns a string containing information about the current session, including entry ID, language, session ID, and terminal. VSIZE Returns the number of bytes in the internal representation of the specified value.
