- Q What do you know about the main features of Athenian democracy?
- Q Explain library classification. Mention its significance.
- Q How can I learn about experimental treatments for people with HIV?
- Q What is istp protocol?
- Q Compare apache pig and sql?
- Q Retsina is a wine from which country
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- Q explain the process of Repairing Invalid Objects Create some objects, force them to go invalid, and fix the problem. 1. Using SQL*Plus, connect to your database as user SYSTEM. 2. Create a user to be used for this exercise; grant him the DBA privilege. SQL> grant dba to testuser identified by testuser; 3.Connect as TESTUSER, and create some objects. SQL> conn testuser/testuser Connected. ocp10g> create table testtab(n1 number,d1 date); Table created. ocp10g> insert into testtab values(1,sysdate); 1 row created ocp10g> create or replace view v1 as select d1 from testtab; View created. ocp10g> create or replace procedure p1 as 2 cnt number; 3 begin 4 select count(*) into cnt from testtab; 5 end; 6 / Procedure created. 4. Confirm the status of the objects. SQL> select object_name,object_type,status from user_objects; They will all have the STATUS of VALID. 5. Perform a DDL command on the table. SQL> alter table testtab drop column d1; 6. Re-run the query from Step 4. Note that both the procedure and the view are
- Q What do you understand by advertising?