UPDATE with Joins

MERGE/UPSERT

Transaction Control (ACID)

DELETE & TRUNCATE

Write bulk INSERT for 10 products with different categories

Use INSERT...SELECT to copy orders from last month to archive table

Practice RETURNING clause to get inserted IDs

Implement batch INSERT with transactions (1000 rows per batch)

Compare performance: single INSERT vs bulk INSERT (measure time)

Write INSERT...SELECT with JOIN to denormalize data

Use COPY/LOAD DATA to import CSV file (if available)

Why is bulk INSERT 100x faster than single INSERT in loop?

When to use INSERT...SELECT vs COPY/LOAD DATA?

Explain RETURNING clause and its benefits

How to optimize INSERT performance for large datasets?

What is optimal batch size for bulk inserts?

How to handle INSERT failures in production?

PostgreSQL COPY documentation for fastest bulk loading

MySQL LOAD DATA INFILE guide for CSV imports

SQL Server BULK INSERT best practices

Transaction batching strategies for large datasets