How do you make schema changes to a live database without downtime?

Question

Option 1: Sync with database triggers Add a column with the new name and the same data type as the old one. You then copy all data from the old column to the new one. . Perform a rolling update of all application instances. Remove the old database column and the database triggers.

How do you update a database schema?

To apply the schema change:1In iBase Designer, log on as a database administrator and open the database.2From the Tools menu, select Database Design Update Database Schema. ... 3Select the template that contains the schema changes.Database schema updates - IBM

How can we achieve zero downtime deployment with database?

Zero downtime deployment1deploy version 1 of your service.2migrate your database to a new version.3deploy version 2 of your service in parallel to the version 1.4once you see that version 2 works like a charm just bring down version 1.5you're done!Zero Downtime Deployment with a Database - Spring

How do I update a mysql schema?

To change the name of the default schema, double-click the schema tab. This opens a schema editor window docked at the bottom of the application. To undock or redock this window, double-click anywhere in the editor title bar. To rename the schema, use the field labeled Name.

What tool is specifically recommended to help manage database schema changes when updating your application code?

Deployment pipeline & DevOps. The deployment pipeline is a cultural and technical tool for managing changes in the software development process and should include databases, applications and infrastructure.

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