Oracle 5.0 Reference Manual page 465

Value Description
1
COMMIT
CHAIN, respectively. (A new transaction starts immediately with the same isolation level
as the just-terminated transaction.)
2
COMMIT
RELEASE, respectively. (The server disconnects after terminating the transaction.)
completion_type
and end with
COMMIT
the statements listed in
apply for
XA COMMIT,
This variable was added in MySQL 5.0.3.
•
concurrent_insert
Command-Line Format
Option-File Format
Option Sets Variable
Variable Name
Variable Scope
Dynamic Variable
If 1 (the default), MySQL permits
tables that have no free blocks in the middle of the data file. If you start
[479], this variable is set to 0.
new
In MySQL 5.0.6, this variable was changed to take three integer values:
Value Description
0 Disables concurrent inserts
1 (Default) Enables concurrent insert for
2 Enables concurrent inserts for all
table with a hole, new rows are inserted at the end of the table if it is in use by another
thread. Otherwise, MySQL acquires a normal write lock and inserts the row into the
hole.
See also Section 8.7.3, "Concurrent
•
connect_timeout
Command-Line Format
Option-File Format
Option Sets Variable
Variable Name
Variable Scope
Dynamic Variable
Server System Variables
and are equivalent to
ROLLBACK
and are equivalent to
ROLLBACK
[444] affects transactions that begin with
or ROLLBACK. It does not apply to implicit commits resulting from execution of
Section 13.3.3, "Statements That Cause an Implicit
ROLLBACK, or when
XA
[445]
--concurrent_insert[=#]
concurrent_insert
Yes,
concurrent_insert
concurrent_insert
Global
Yes
Permitted Values (<= 5.0.5)
Type
boolean
Default
TRUE
and
INSERT
Inserts".
[445]
--connect_timeout=#
connect_timeout
Yes,
connect_timeout
connect_timeout
Global
Yes
Permitted Values (<= 5.0.51)
445
COMMIT AND CHAIN
COMMIT RELEASE
START TRANSACTION
[436].
autocommit=1
[445]
statements to run concurrently for
SELECT
tables that do not have holes
MyISAM
tables, even those that have holes. For a
MyISAM
[445]
and
ROLLBACK AND
and
ROLLBACK
or
BEGIN
Commit". It also does not
MyISAM
with
mysqld --skip-