The system table LOCKS describes the current lock entries and entries for lock requests.
LOCKS
SESSION |
FIXED(10) |
ID of the database session |
TRANSCOUNT |
CHAR(20) |
Transaction identification in the database session |
PROCESS |
FIXED(10) |
Process identification in the database instance |
USERNAME |
CHAR(32) |
Name of the user |
DATE |
DATE(10) |
Creation date of the lock |
TIME |
TIME(8) |
Creation time of the lock |
TERMID |
CHAR(18) |
User terminal identification |
LASTWRITE |
CHAR(10) |
Elapsed time since the last SQL statement for data manipulation |
LOCKMODE |
CHAR(14) |
Type of lock (NULL value | SHARE | EXCLUSIVE) |
LOCKSTATE |
CHAR(10) |
Status of lock |
APPLPROCESS |
FIXED(10) |
Process identification on the client hardware |
APPLNODE |
CHAR(64) |
Client hardware identification |
SCHEMANAME |
CHAR(32) |
Name of the schema of the table |
OWNER |
CHAR(32) |
Name of the owner of the table |
TABLENAME |
CHAR(32) |
Name of the table |
TABLEID |
CHAR(8) BYTE |
ID of the table |
ROWIDLENGTH |
FIXED(4) |
Length of the key of the locked row |
ROWIDHEX |
CHAR(64) BYTE |
Start of the key of the locked row in hexadecimal notation |
ROWID |
CHAR(128) |
Start of the key of the locked row |
See also:
Evaluating System Tables, LOCKS
Concepts of the Database System, Locking for Database Objects