Explain the use of Merge statement in oracle 11g

0 Answers   Infosys,

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What would you do with an in-doubt distributed transaction?

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How to delete multiple rows from a table in oracle?

0 Answers  

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How to name query output columns in oracle?

0 Answers  

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What is the data pump import utility?

0 Answers  

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T1: T2 A X--- this is updated record B B like this T1 table having no.of records updated. write a query"retrive updated record from T2"

2 Answers   Cognizant,

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SQL> CREATE TABLE to_table 2 (col1 NUMBER); Table created. SQL> CREATE OR REPLACE TRIGGER statement_trigger 2 AFTER INSERT ON to_table 3 BEGIN 4 DBMS_OUTPUT.PUT_LINE('After Insert Statement Level'); 5 END; 6 / Trigger created. SQL> CREATE OR REPLACE TRIGGER row_trigger 2 AFTER INSERT ON to_table 3 FOR EACH ROW 4 BEGIN 5 DBMS_OUTPUT.PUT_LINE('After Insert Row Level'); 6 END; 7 / Trigger created. SQL> INSERT INTO TO_TABLE VALUES(1); After Insert Row Level After Insert Statement Level 1 row created. SQL> BEGIN 2 INSERT INTO TO_TABLE VALUES(2); 3 INSERT INTO TO_TABLE VALUES(3); 4 INSERT INTO TO_TABLE VALUES(4); 5 INSERT INTO TO_TABLE VALUES(5); 6 INSERT INTO TO_TABLE VALUES(6); 7 INSERT INTO TO_TABLE VALUES(7); 8 INSERT INTO TO_TABLE VALUES(8); 9 INSERT INTO TO_TABLE VALUES(9); 10 INSERT INTO TO_TABLE VALUES(0); 11 END; 12 / WAT LL BE THE O/P??? XPLAIN IT>>>>

1 Answers   Infosys,

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What are the different windows events activated at runtime ?

0 Answers   Oracle,

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What is an oracle user role?

0 Answers  

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When do you get a .pll extension in oracle? Explain its importance

0 Answers  

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What is a view and how is it different from a table?

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Which environment variables are absolutely critical in order to run the OUI?

0 Answers  

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