For example, you have a table A, which has columns Col1, Col2, ...........Col20. You now want to copy the values of Col2, Col5, Col7 to a new table B for some reason such as allow more people to access the data. Table B has four columns: Field1, Field2, Field3, Field4. Field4 has the date when the record is created.
This is the SQL to do it.
INSERT INTO B (Field1, Field2, Field3, Field4)
SELECT Col2, Col5, Col7, sysdate
FROM A
WHERE Col1 > to_date ("11/12/2000", "mm/dd/yyyy");
References
1. SQL: INSERT by copying values of existing columns of a table - Insert in combination of Select
2. SQL: INSERT by copying values from two tables - Insert in combination of Select
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This is the SQL to do it.
INSERT INTO B (Field1, Field2, Field3, Field4)
SELECT Col2, Col5, Col7, sysdate
FROM A
WHERE Col1 > to_date ("11/12/2000", "mm/dd/yyyy");
References
1. SQL: INSERT by copying values of existing columns of a table - Insert in combination of Select
2. SQL: INSERT by copying values from two tables - Insert in combination of Select
If you have ever asked yourself these questions, this is the book for you. What is the meaning of life? Why do people suffer? What is in control of my life? Why is life the way it is? How can I stop suffering and be happy? How can I have a successful life? How can I have a life I like to have? How can I be the person I like to be? How can I be wiser and smarter? How can I have good and harmonious relations with others? Why do people meditate to achieve enlightenment? What is the true meaning of spiritual practice? Why all beings are one? Read the book free here.
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