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Oracle...
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Database link
Oracle...
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Cercare le colonne in uno schema
Unix...
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Rimuovere un file in Unix / Delete a file
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Pragma Exception
Oracle...
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Lunghezza massima nome di uno schema nel database Oracle
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Come individuare a quale tablespace appartiene una tabella?
Shell scripting...
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Script for archiving and compressing folder and file
Basically, a web session can be defined as the timeframe in which a visitor navigates your web site.
Php Funzione mail()
XPath is a language for addressing parts of an XML document.
It is designed to be used by XSLT and XPointer.
Basically, a web session can be defined as the timeframe in which a visitor navigates your web site.
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Oracle
Home >Oracle > Table flashback to before drop
Create some table: CREATE TABLE MYCUSTOMERS( ID_CUSTOMER NUMBER(4) NOT NULL, CITY VARCHAR2(20 BYTE) DEFAULT 'MISSING!', LAST_UPDATE DATE DEFAULT SYSDATE NOT NULL ) / Insert some dato into the table: INSERT INTO MYCUSTOMERS(ID_CUSTOMER,CITY) VALUES(3,'NEW YORK'); INSERT INTO MYCUSTOMERS(ID_CUSTOMER,CITY) VALUES(4,'BERLIN'); INSERT INTO MYCUSTOMERS(ID_CUSTOMER,CITY) VALUES(5,'ROME'); INSERT INTO MYCUSTOMERS(ID_CUSTOMER,CITY) VALUES(6,'PARIS'); INSERT INTO MYCUSTOMERS(ID_CUSTOMER,CITY) VALUES(7,'LONDON'); COMMIT; Then drop the table:
SQL> drop table MYCUSTOMERS;
Now get the table back using BEFORE DROP:
SQL>flashback table MYCUSTOMERS TO BEFORE DROP;
Dependig oracle initialisation parameters and time passed by, you should get the table back:
SQL> select * from MYCUSTOMERS;
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Database buffer cache
A good scientist is a person with original ideas.
A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering. Freeman Dyson A good scientist is a person with original ideas.
A good engineer is a person who makes a design that works with as few original ideas as possible. There are no prima donnas in engineering. Freeman Dyson
Oracle...
Info:
dbms_output.put_line
Oracle...
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Designing an efficient Schema ...
Oracle...
Definizioni:
Schema and user
Oracle...
Definizioni:
SCN
Shell scripting...
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Script for archiving and compressing folder and file
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Nicoleta e Marco Magnani tutorial, examples, courses, esempi, corsi, esercizi, appunti vari Dottoressa Nicoleta Dragu Formatrice Docente Insegnante Mediatrice Culturale Dott. Marco Magnani Universita La Sapienza Roma Master Computer Science Hunter College New York , Data Base Administrator DBA oracle System architect |