STRUCTURED DATA UNSTRUCTURED DATA

mysql> select version();
+------------+
| version()  |
+------------+
| 5.1.48-log |
+------------+
 
mysql> select @@innodb_version;
ERROR 1193 (HY000): Unknown system variable 'innodb_version'
 
mysql> set global innodb_file_per_table=0;
ERROR 1238 (HY000): Variable 'innodb_file_per_table' is a read only variable

mysql> select version();
+------------+
| version()  |
+------------+
| 5.1.48-log |
+------------+
 
mysql> select @@innodb_version;
+------------------+
| @@innodb_version |
+------------------+
| 1.0.9            |
+------------------+
 
mysql> show variables like '%innodb_file_per_table%';
+-----------------------+-------+
| Variable_name         | Value |
+-----------------------+-------+
| innodb_file_per_table | ON    |
+-----------------------+-------+
 
mysql> set global innodb_file_per_table=0;
 
mysql> show variables like '%innodb_file_per_table%';
+-----------------------+-------+
| Variable_name         | Value |
+-----------------------+-------+
| innodb_file_per_table | OFF   |
+-----------------------+-------+