Master Index Creation and Management in PostgreSQL

This resource offers a total of 60 PostgreSQL Creating and managing indexes problems for practice. It includes 12 main exercises, each accompanied by solutions, detailed explanations, and four related problems.

Following exercises cover a range of index creation and management techniques aimed at enhancing PostgreSQL performance.

1. Creating a Basic Index in PostgreSQL

Write a PostgreSQL query to create a simple index on a column to speed up query lookups.

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2. Creating a Unique Index in PostgreSQL

Write a PostgreSQL query to create a unique index on a column to enforce uniqueness.

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3. Creating a Composite Index in PostgreSQL

Write a PostgreSQL query to create an index on multiple columns for optimized multi-column queries.

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4. Creating an Index Concurrently in PostgreSQL

Write a PostgreSQL query to create an index concurrently to avoid locking the table during creation.

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5. Dropping an Index in PostgreSQL

Write a PostgreSQL query to drop an existing index when it is no longer needed.

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6. Reindexing a Table in PostgreSQL

Write a PostgreSQL query to rebuild all indexes on a table to improve query performance.

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7. Creating a Partial Index in PostgreSQL

Write a PostgreSQL query to create a partial index that only covers rows meeting a specific condition.

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8. Creating an Expression Index in PostgreSQL

Write a PostgreSQL query to create an index on an expression to optimize function-based queries.

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9. Analyzing Query Performance with EXPLAIN

Write a PostgreSQL query to use the EXPLAIN statement to analyze how indexes are used in query planning.

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10. Monitoring Index Usage

Write a PostgreSQL query to retrieve index usage statistics from the system catalog.

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11. Creating a Case-Insensitive Index

Write a PostgreSQL query to create a case-insensitive index for improved search performance on text data.

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12. Creating an Index on a Foreign Key Column in PostgreSQL

Write a PostgreSQL query to create an index on a foreign key column to optimize join performance.

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More to Come !

Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.