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[ODBC Data Sources]
mytimesten=TimesTen 6.0 Driver
[DemoDataStore]
DataStore=/home/fee/TimesTen6/DemoDataStore
DurableCommits=0
PermSize=16
2 Á¬½ÓÊý¾ÝÔ´£¬²¢´´½¨±í
[31 machine]/home/fee>ttIsql
Copyright (c) 1996-2006, Oracle. All rights reserved.
Type ? or "help" for help, type "exit" to quit ttIsql.
All commands must end with a semicolon character.
Command> connect "DSN=DemoDataStore";
IM002: Data source name not found and no default driver specified
The command failed.
Command> connect "DSN=DemoDataStore";
Connection successful: DSN=DemoDataStore;UID=fee;DataStore=/home/fee/TimesTen6/DemoDataStore;PermSize=16;
(Default setting AutoCommit=1)
Command> create table customer
> (cust_number integer not null primary key,
> first_name char(12) not null,
> last_name char(12) not null,
> address varchar (100) not null);
Command> describe customer;
Table FEE.CUSTOMER:
Columns:
*CUST_NUMBER INTEGER NOT NULL
FIRST_NAME CHAR (12) NOT NULL
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select * from v$sql_plan where hash_value = (select sql_hash_value from v$session where sid = 1111);
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alter system set nls_length_semantics='BYTE' scope=both
sql>show parameter length
NAME TYPE
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About parent vs child latches. There is no fundamental low level difference between parent and child latches, they are all small regions of memory modified with atomic test-and-set style opcodes.
You see parent (and solitary) latches from x$ksll ......
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