How to define a data field as not null?

0 Answers  

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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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How to call a trigger inside a stored procedure?Give an example.

2 Answers  

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What are data pump export and import modes?

0 Answers  

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How to assign values to data fields in record variables?

0 Answers  

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How to connect to the server with user account: sys?

0 Answers  

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What is Virtual Private Database in Oracle?

0 Answers   MCN Solutions,

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What is the usage of control file in oracle?

0 Answers  

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material view and view disadvantages?

0 Answers  

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Differentiate between TRUNCATE and DELETE?

2 Answers  

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waht is referencial integrity?

2 Answers   Semantic Space,

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What is snapshot is too old? Give and example for better understand.

0 Answers   TCS,

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