Technology Gate B — Sequences 127–144
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Role in the route: Build bounded Python, pandas, file-format and PostgreSQL programmatic readiness.
▶ Start this block — Sequence 127
Sequence navigation
- Sequence 127 — T6 - Python values, types and expressions
- Sequence 128 — T6 - lists, dictionaries, sets and tuples
- Sequence 129 — T6 - conditions and loops
- Sequence 130 — T6 - functions and reusable logic
- Sequence 131 — T6 - files, pathlib and exceptions
- Sequence 132 — T6 readiness - Python foundations
- Sequence 133 — T7 - pandas DataFrame mental model
- Sequence 134 — T7 - selection, filtering and missing values
- Sequence 135 — T7 - duplicates and normalization
- Sequence 136 — T7 - merge and cardinality
- Sequence 137 — T7 - groupby and validation summaries
- Sequence 138 — T7 readiness - pandas independence
- Sequence 139 — T10 - CSV representation and encoding pitfalls
- Sequence 140 — T10 - JSON objects, arrays and nesting
- Sequence 141 — T10 - Parquet concept and columnar awareness
- Sequence 142 — T8 - Python to PostgreSQL connection concepts
- Sequence 143 — T8 - controlled read/write and validation
- Sequence 144 — Gate B integration - programmatic readiness
Block controls
← Previous: Chapter 7 — Data Security 🏠 Home: Return to the CDMP Study Dashboard Next →: Chapter 8 — Data Integration & Interoperability — Sequences 145–157
Important: Browser migration status and learner completion are separate. If a sequence requires a 00A/00B artifact that does not yet exist, the learner stop gate remains active.