R1:68b597ff75a6

SQL Patch Management: SQL Changes

Summary:
Splits out the SQL changes. These are most of the changes, but primarily mechanical:

- Moved "initialize.sql" to "0000.legacy.sql" and partially reverted to an older version, such that patches 0000 + 000 + 001 + ... + 137 put us in the right state when applied sequentially.
- Removed "create database" commands from all SQL. These are handled by separate DB patches now, so we have the data to do operations like "storage databases" (list databases) and…