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DML- Insert
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DML Insert Update Delete select
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The INSERT INTO Statement The INSERT INTO statement is used to insert new rows into a table. Syntax INSERT INTO table_name VALUES (value1, value2,....)
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You can also specify the columns for which you want to insert data: INSERT INTO table_name (column1, column2,...) VALUES (value1, value2,....)
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Inserting Data into Tables INSERT command adds new records Field values should match column order, or be specified in command INSERT INTO employee ( fname, lname, ssn, dno ) VALUES ( "Joe", "Smith", 909, 1);
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This "Persons" table is empty after it is created. An insert SQL statement: INSERT INTO Persons VALUES ('Hetland', 'Camilla', 'Hagabakka 24', ‘20')
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LastNameFirstNameAddressAge PettersenKariStorgtHagabakka 2420
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Another tuple of data INSERT INTO Persons VALUES (‘Kit', ‘Johnson', ‘New York city’, ‘40')
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LastNameFirstNameAddressAge PettersenKariStorgtHagabakka 2420 KitJohnsonNew York city40
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Inserting Date and Interval Values Use to_date function to convert a character string to a date –Specify date string and matching format model –TO_DATE('08/24/2004', 'MM/DD/YYYY') –TO_DATE('10:00 AM', 'HH:MI AM') Use functions to convert character strings to intervals –TO_YMINTERVAL('4-9') inserts a positive interval of 4 years, 9 months –TO_DSINTERVAL('0 01:15:00') inserts a positive interval of 4 days, 1 hour, 15 minutes, 0 seconds
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