If all conditions are met, the spatial operation will be performed in the enterprise geodatabase database management system (DBMS) rather than on the client. Consider the following when using this spatial relationship option: …Existing selections prior to running the tool [must b...
SQL> exec dbms_stats.gather_table_stats('SYS','TEST_UNCOMMIT'); PL/SQLproceduresuccessfully completed. Elapsed: 00:00:12.29 因为ORACLE里面的写不阻塞读,所以不可能是因为SQL阻塞的缘故,然后我想查看这个表到底有多少记录,结果亮瞎了我的眼睛,记录数为0,但是空间用掉了852 个数据块 SQL>SELECTTABLE_NAME,...
select batchindex||'|'||productid||'|'||contentid||'|'||optype||'|'||uploadfile from zxdbm_700.s700_batch_operation where status=1; spool off EOF echo "end.." 方式[2] echo "start spool in shell.." cd /home/zxin10/zhuo/batchoperate/spoolfile sqlplus -s zxdbm_ismp/zxin_smap...
如果我们使用SQL*Plus,查看执行计划,就会看到redo size异常大,你就会有所察觉(见后面分析) SQL>execdbms_stats.gather_table_stats('SYS','TEST_UNCOMMIT'); PL/SQLproceduresuccessfully completed. Elapsed: 00:00:12.29 因为ORACLE里面的写不阻塞读,所以不可能是因为SQL阻塞的缘故,然后我想查看这个表到底有多少记...
(var_name_1 in type,var_name_2 out type) as--声明变量(变量名 变量类型)begin--存储过程的执行体end test;打印出输入的时间信息E.g:create or replace procedure test(workDate in Date) isbegindbms_ou</p> </a> <!-- 标签页 --> <div class="tag-box"> <span class="tag-item"> oracle...
Previous research works in the field of data security reported the application of a new select operation model in the encryption-based on multilevel security approach to multilevel database; these models enhanced the security level (SL) of databases due to the encryption based on multilevel ...
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | --- | 0 | SELECT STATEMENT | | 1 | 13 | 6931 (3)| 00:00:10 | | 1 | SORTAGGREGATE| | 1 | 13 | | | |* 2 |TABLEACCESSFULL| TEST_UNCOMMIT | 1 | 13 | 6931 (3)| 00:00:10...
问Oracle Select *返回行，但Select count(1)返回0EN在实际编程工程中，常常遇到这样的情况：DataTable...
SQL> create table maclean tablespace users as select 1 t1 from dual connect by level exec dbms_stats.gather_table_stats('','MACLEAN'); PL/SQL procedure successfully completed. SQL> set autotrace on; SQL> select sum(t1) from maclean; ...
BEGIN FOR i IN 1..100 LOOP INSERT INTO Employees (EmployeeID, BranchID, FirstName, LastName, Position, Salary) VALUES (i, MOD(i, 10) + 1, 'EmpFirst' || i, 'EmpLast' || i, CASE MOD(i, 3) WHEN 0 THEN 'Manager' WHEN 1 THEN 'Clerk' ELSE 'Teller' END, DBMS_RAN...