Home Database Oracle How to set numbers to retain integers in Oracle

How to set numbers to retain integers in Oracle

Apr 30, 2024 am 06:45 AM
oracle

In Oracle, you can set a numeric field to retain only the integer part through the following steps: 1. Create a numeric field, specify the precision and decimal places as 0; 2. Insert a number with a decimal part; 3. Use TO_NUMBER () function converts the data type to integer; 4. Updates the data in the table; 5. Query the data again to verify whether the update is successful. These steps ensure that numeric fields retain only the integer portion.

How to set numbers to retain integers in Oracle

How to set a number in Oracle to preserve an integer

The numeric field type in Oracle allows you to specify the precision of a number and decimal places. To set a number to keep only the integer part, you can use the following steps:

1. Create a table

Create a table with a numeric field:

CREATE TABLE my_table (
  my_number NUMBER(10, 0)
);
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2. Insert data

Insert a number with a decimal part into the table:

INSERT INTO my_table (my_number) VALUES (123.45);
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3. Query data

Query the table to display the original number:

SELECT my_number FROM my_table;
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Result:

<code>123.45</code>
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4. Convert the data type

Use TO_NUMBER() The function converts the number to an integer type, retaining only the integer part:

SELECT TO_NUMBER(my_number) FROM my_table;
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Result:

<code>123</code>
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Copy after login

5. Update data

Use the UPDATE statement to update the data in the table to retain only the integer part:

UPDATE my_table SET my_number = TO_NUMBER(my_number);
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6. Query the data again

Query the table to verify that the data has been updated as an integer:

SELECT my_number FROM my_table;
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Result:

<code>123</code>
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Copy after login

By following these steps, you can set up numeric fields in Oracle Only the integer part is retained.

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