diff --git a/docs/how-to/data-hub/delete.md b/docs/how-to/data-hub/delete.md
index c8051c4..6426594 100644
--- a/docs/how-to/data-hub/delete.md
+++ b/docs/how-to/data-hub/delete.md
@@ -34,24 +34,23 @@ To delete multiple rows, databases and folders, run:
 
 ## Delete database columns
 
-To delete columns in databases, run:
+To delete columns in databases, run the following command, specifying the IDs of the columns to delete and their parent database:
 
 === "CLI"
 
     ```bash
-    deeporigin data delete --ids <ids> --columns
+    deeporigin data delete \
+        --ids <ids> \
+        --database <database-id> \
+        --columns
     ```
 
-    !!! warning "Column IDs"
-        Currently, columns can only be deleted using their IDs, which are distinct from their names. To view the IDs of the columns of a database, run: 
-
-        ```bash
-        deeporigin data describe <database-id>
-        ```
-
 === "Python"
 
     ```py
     from deeporigin.data_hub import api
-    api.delete_database_column(column_id="col-id")
+    api.delete_database_column(
+        column_id="col-id",
+        database_id="database-id",
+    )
     ```
diff --git a/pyproject.toml b/pyproject.toml
index ca78bb8..c6ea666 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ dependencies = [
     "tabulate",
     "filetype",
     "httpx",
-    "deeporigin-data-sdk>=0.1.0a6",
+    "deeporigin-data-sdk==0.1.0a7",
 ]
 dynamic = ["version"]
 
diff --git a/src/cli/data.py b/src/cli/data.py
index e5d532c..04ae39f 100644
--- a/src/cli/data.py
+++ b/src/cli/data.py
@@ -567,17 +567,18 @@ def new(self):
                 },
             ),
             (
-                ["--columns"],
+                ["--database"],
                 {
-                    "action": "store_true",
-                    "help": "Whether to delete columns or rows/databases/folders [default: False]",
+                    "type": str,
+                    "required": False,
+                    "help": "ID of database that columns are in",
                 },
             ),
             (
-                ["--json"],
+                ["--columns"],
                 {
                     "action": "store_true",
-                    "help": "Whether to return data in JSON format [default: False]",
+                    "help": "Whether to treat IDs as column IDs [default: False]",
                 },
             ),
         ],
@@ -586,9 +587,14 @@ def delete(self):
         """Delete rows, columns, databases and/or folders"""
 
         if self.app.pargs.columns:
+            if self.app.pargs.database is None:
+                raise DeepOriginException(
+                    "Use the --database argument to specify the parent database. To delete a column, the parent database must be specified."
+                )
             for column_id in self.app.pargs.ids:
                 api.delete_database_column(
                     column_id=column_id,
+                    database_id=self.app.pargs.database,
                     client=self._get_client(),
                 )
             print(f"✔︎ Deleted {len(self.app.pargs.ids)} columns")