obclient[oceanbase]>CALLDBMS_RESOURCE_MANAGER.CREATE_PLAN(PLAN=>'daytime',comment=>'TPFirst'); 相关参数说明如下: PLAN:定义资源管理计划名称。 COMMENT:填写资源管理计划的备注信息。 创建成功后,可以查询DBA_RSRC_PLANS视图进行确认。 obclient[oceanbase]>select*fromoceanbase.DBA_RSRC_PLANS; ...
create or replace function fn_test ( pid in number ) return tabTEST is Result tabTEST =tabTEST(); USERID number(12); VNAME varchar(200); orgid number(12); type tab is table of number; tab_test1 tab; /*** create or replace type ctest as object ( cUser number(12), --不可注释...
The use of generalized software to store and access the data base can reduce the duplication in application programming and system development that existed when these tasks were the province of each individual system. Finally, the existence and use of dbms -related software, such as query ...
DataBaseManagement,简称DBMS.数据库管理系统是专门用来管理数据库中数据的,数据库管理系统可以对薮据库当中的数据进行增删改查。 常见的数据库管理系统: MySQL、oracle、MS sqlserver、DB2、sybase等 SQL:结构化查询语句 程序员需要学习SQL语句,程序员通过编写sQz语句,然后DBMS负责执行sQL语句,最终来完成数据库中数据的...
dbms_output.put_line('para3:'||para3); end; 1. 2. 3. 4. 5. 6. 7. 上面就是一个最简单的存储过程。一个存储过程大体分为这么几个部分: 1、创建语句:create or replace procedure 存储过程名 如果没有or replace语句,则仅仅是新建一个存储过程。如果系统存在该存储过程,则会报错。Create or replac...
SQL>CREATETABLEtASSELECT*FROMdba_objects; Tablecreated. SQL>SELECTCOUNT(*)FROMtWHEREowner ='SYS'ORowner ='SYSTEM'; COUNT(*) --- 23851 SQL>SELECT*FROMTABLE(DBMS_XPLAN.DISPLAY_CURSOR); PLAN_TABLE_OUTPUT --- SQL_ID 77xzyugx5q3kf, child number 0 --- SELECT COUNT(*) FROM t WHERE owner...
1 0 TABLE ACCESS (BY INDEX ROWID) OF 'TEST_SOUNDEX' (Cost=1 Card=1 Bytes=34) 2 1 INDEX (RANGE SCAN) OF 'TEST_SOUNDEX_IDX' (NON-UNIQUE) (Cost=1 Card=1) exec dbms_output.put_line( stats.cnt ) 2 So, what we have done here is to hide the substr( f(x), 1, 6 ) in the...
(a) What is a multivalued dependency in DBMS? (b) Give an example. Describe how the use of roles can help DBA in the management of security on a database. What is the difference between database manipulation language and database definition language? What are the basic characteristi...
ISDBA Returns TRUE if the user has DBA privileges. Otherwise, it will return FALSE. Yes Yes Yes LANG The ISO abbreviate for the language Yes Yes Yes LANGUAGE The language, territory, and character of the session. In the following format: language_territory.characterset Yes Yes Yes MODULE Retu...
DBMS_AUDIT_MGMT.SET_AUDIT_TRAIL_LOCATION(audit_trail_type => DBMS_AUDIT_MGMT.AUDIT_TRAIL_AUD_STD, audit_trail_location_value => 'AUDIT_DATA'); END; / -- Query to view new tablespace select owner,segment_name,segment_type,tablespace_name,bytes/1024/1024 from dba_segments where segment_...