How to store unsigned long in postgresql?

@darion 

In PostgreSQL, you can store an unsigned long integer by using the bigint data type. The bigint data type can store signed 64-bit integers, which can accommodate unsigned long values as well. To store an unsigned long value, you can use the following syntax:

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CREATE TABLE example_table (
   id bigint
);

You can then insert an unsigned long value into the table as follows:

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INSERT INTO example_table (id) VALUES (18446744073709551615);

When querying the table, you can use the bigint data type to retrieve the values:

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SELECT * FROM example_table;

This will return the unsigned long integer that was stored in the table.