Perform Approximate Similarity Search Using Vector Indexes

For a vector search to be useful, it needs to be fast and accurate. Approximate similarity searches seek a balance between these goals.

• Understand Approximate Similarity Search Using Vector Indexes

  For faster search speeds with large vector spaces, you can use approximate similarity search using vector indexes.

• Optimizer Plans for Vector Indexes

  Optimizer plans for HNSW and IVF indexes are described in the following sections.

• Approximate Similarity Search Examples

  Review these examples to see how you can perform an approximate similarity search using vector indexes.