V$TEMPSEG_USAGE

V$TEMPSEG_USAGE describes temporary segment usage.

Column	Datatype	Description
`USERNAME`	`VARCHAR2(30)`	User who requested temporary space
`USER`	`VARCHAR2(30)`	This column is obsolete and maintained for backward compatibility. The value of this column is always equal to the value in `USERNAME`.
`SESSION_ADDR`	`RAW(4 \| 8)`	Session address
`SESSION_NUM`	`NUMBER`	Serial number of session
`SQLADDR`	`RAW(4 \| 8)`	Address of SQL statement
`SQLHASH`	`NUMBER`	Hash value of SQL statement
`SQL_ID`	`VARCHAR2(13)`	SQL identifier of SQL statement
`TABLESPACE`	`VARCHAR2(31)`	Tablespace in which space is allocated
`CONTENTS`	`VARCHAR2(9)`	Indicates whether tablespace is `TEMPORARY` or `PERMANENT`
`SEGTYPE`	`VARCHAR2(9)`	Type of sort segment: `SORT` `HASH` `DATA` `INDEX` `LOB_DATA` `LOB_INDEX`
`SEGFILE#`	`NUMBER`	File number of initial extent
`SEGBLK#`	`NUMBER`	Block number of the initial extent
`EXTENTS`	`NUMBER`	Extents allocated to the sort
`BLOCKS`	`NUMBER`	Extents in blocks allocated to the sort
`SEGRFNO#`	`NUMBER`	Relative file number of initial extent