@ -34,7 +34,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"To use `OpenAIEmbeddings` we use the OpenAI API Key ."
"For `OpenAIEmbeddings` we use the OpenAI API key from the environment ."
]
},
{
@ -57,7 +57,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"Create a database connection to a HANA Cloud instance"
"Create a database connection to a HANA Cloud instance. "
]
},
{
@ -170,7 +170,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"Perform a query to get the two best-matching document chunks from the ones that we added in the previous step.\n",
"Perform a query to get the two best-matching document chunks from the ones that were added in the previous step.\n",
"By default \"Cosine Similarity\" is used for the search."
]
},
@ -527,10 +527,11 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"As default behaviour, the table for the embeddings is created with 3 columns\n",
"* A column `VEC_TEXT`, which contains the text of the Document\n",
"* A column `VEC_METADATA`, which contains the metadata of the Document\n",
"* A column `VEC_VECTOR`, which contains the embeddings-vector of the document's text"
"As default behaviour, the table for the embeddings is created with 3 columns:\n",
"\n",
"- A column `VEC_TEXT`, which contains the text of the Document\n",
"- A column `VEC_META`, which contains the metadata of the Document\n",
"- A column `VEC_VECTOR`, which contains the embeddings-vector of the Document's text"
]
},
{
@ -609,9 +610,10 @@
"metadata": {},
"source": [
"Custom tables must have at least three columns that match the semantics of a standard table\n",
"* A column with type `NCLOB` or `NVARCHAR` for the text/context of the embeddings\n",
"* A column with type `NCLOB` or `NVARCHAR` for the metadata \n",
"* A column with type REAL_VECTOR for the embedding vector\n",
"\n",
"- A column with type `NCLOB` or `NVARCHAR` for the text/context of the embeddings\n",
"- A column with type `NCLOB` or `NVARCHAR` for the metadata \n",
"- A column with type `REAL_VECTOR` for the embedding vector\n",
"\n",
"The table can contain additional columns. When new Documents are inserted into the table, these additional columns must allow NULL values."
]