Explain the family trees and connection by clause

0 Answers  

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What is the quickest way to export a table to a flat file?

0 Answers  

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What is the difference between column level constraints and table level constraints?

14 Answers   IBM, TCS,

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Is oracle a relational database?

0 Answers  

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How do you find current date and time in oracle?

0 Answers  

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how to find find & delete duplicate rows from two different tables?

3 Answers   Accenture, TCS,

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how to code performance tuning of oracle PL/SQL? can any body send me the perfect answer?

1 Answers   IBM,

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How to assign data of the deleted row to variables?

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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i can create a view with two columns from emp table,, later i need to add one more emp column to existing view.. what is query similarly add one more column to existing primary key constraint.. please give me the solutions

4 Answers   CGI,

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What SQL query from v$session can you run to show how many sessions are logged in as a particular user account?

1 Answers  

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It's Urgent? How to IMPORT .xls & .txt file into ORACLE?

5 Answers  

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