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Adding New Column with default value. - Mailing list pgsql-admin
From
Gambhir Singh
Subject
Adding New Column with default value.
Date
April 28
20:24:11
Msg-id
CAHOGQfVmfJ5rpxfMSqJjTZGqN5ss-hdsCdTHsrxHAi2mUwWwmw@mail.gmail.com
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Re: Adding New Column with default value.
Re: Adding New Column with default value.
Re: Adding New Column with default value.
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I got request from app Team to add new column to a table with following specifications
1. With Not Null Constraint
2. With Default value 0
Row Count - 50 Billion
Please help me to understand
a. DDL statement (alter table add column) will be followed by the DML statement (Update)....Am I correct ?
b. What would be size of the Table (I assuming it will be doubled)
c. What is the best approach for this kind of activity.
Thanks & Regards
Gambhir Singh
pgsql-admin
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