没有抛弃，只是优先使用CC了。DB2_EVALUNCOMMITTED is only applicable when currently committed semantics will not help avoid lock contentions. When this variable is set and currently committed is applicable to a scan, deleted rows will not be skipped and ...
The CURRENT PATH special register specifies the SQL path used to resolve function names, procedure names, data type names, and global variable names in dynamic SQL statements.
db2 update command options using c off
all table names are listed in syscat.tables
有这么一种说法，如果一个事务扫描了1000行，但只检索10行，那么它所扫描的1000行，但是只检索了10行，那么它所扫描的1000行（而不仅仅是被检索的10行）都会被锁定。 我不明白这里的扫描和枷锁有什么情况区别？例如我运行了select * from t1 where id=1 for update with rr那...
(more)有直接取后三行的语法吗？可以按照id排序再取，或者你自己添加行号，根据行号筛选
窗口1[db2inst1@p78005lpar1/home/db2inst1]db2 "select * from daolin"COL1 ----------- 1 2 2 record(s) selected.[db2inst1@p78005lpar1/home...
[db2inst1@s3 db2dump]$ db2 get db cfg | grep -i locklist Max storage for lock list (4KB) (LOCKLIST) = AUTOMATIC(4096)[db2inst1@s3 db2dump]$ db2 update db cfg using locklist 102...
是要适当调整的，这是我一个系统的Max storage for lock list (4KB) (LOCKLIST) = 20000Percent. of lock lists per application (MAXLOCKS) = 50我已经记不得为什么了。 发证...
