Abstract: Provided herein are systems and methods for providing a secure and efficient way to manage a data exchange's availability and manage the visibility of data listings of the data exchange. For example, the method may comprise specifying, by an exchange admin of the data exchange, a set of regions where the data exchange is available, each of the set of regions comprising one or more remote deployments. The method may further comprise specifying by a data provider, one or more of the set of regions where a data listing owned by the data provider is visible. Upon receiving a request to access the data listing from a remote deployment of the one or more regions, the data provider may determine whether to reject or fulfill the request. In response to determining that the request should be fulfilled, replicating data of the data listing to the remote deployment.

Abstract: A battery case is provided, comprising a cylindrical body (1), a top cover plate (3) and a bottom cover plate (4). The cylindrical body (1) comprises a top which is open and covered with the top cover plate (3) fixed thereto, and the cylindrical body (1) further comprises a bottom configured to be a supporting surface (8) having an opening (2). The opening (2) of the supporting surface (8) is configured to be covered with the bottom cover plate (4). Further, the opening (2) is configured to be a stepped opening or a conical opening. Still further, a first groove (12) is arranged on an exterior surface of the bottom surrounding the opening (2), and a second groove (13) is arranged on an exterior surface of the bottom cover plate next to the opening (2) of the bottom. A battery made of the battery case is also provided.