create_table.md: add PRIMARY KEY next to column

Summary

• create_table.md: add PRIMARY KEY next to column — picodata@b1c5a133 (24.4.0-46-gb1c5a133)
• create_table.md: NOT NULL inferred on PRIMARY KEY — picodata@89e86c47 (24.4.0-105-g89e86c47)
• create_table.md: rename ON TIER -> IN TIER — picodata@4122f5fb (24.5.0-165-g4122f5fb)

ANSI: E141-08

See:

• picodata!1048 (merged)
• picodata!1068 (merged)
• picodata!1152 (merged)

create_table changes:

1. sbroad@92d74263 — add ON TIER
2. sbroad@10b9e740 — add PRIMARY KEY next to column
3. sbroad@389fbff0 — NOT NULL inferred on PRIMARY KEY
4. sbroad@6ec6d883 — rename ON TIER -> IN TIER

Changes 1 and 2 added to Picodata in picodata!1048 (merged)

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• Close #275 (closed), #277 (closed), #287 (closed), #306 (closed)
• Cherry-pick to: none
• Staging:
  • https://docs.binary.picodata.io/picodata/asabirov_add_column_primary_key/reference/sql/create_table/
  • https://docs.binary.picodata.io/picodata/asabirov_add_column_primary_key/reference/ansi_sql/