diff --git a/pkg/datastore/mysql/ensurer/indexes.sql b/pkg/datastore/mysql/ensurer/indexes.sql
index e229d719ba..f4d24fba4d 100644
--- a/pkg/datastore/mysql/ensurer/indexes.sql
+++ b/pkg/datastore/mysql/ensurer/indexes.sql
@@ -94,3 +94,10 @@ CREATE INDEX event_key_name_project_id_created_at_desc ON Event (EventKey, Name,
 -- index on `ProjectId` ASC and `EnvIds` ASC
 ALTER TABLE Piped ADD COLUMN EnvIds JSON GENERATED ALWAYS AS (IFNULL(data ->> "$.env_ids", '[]')) VIRTUAL NOT NULL;
 CREATE INDEX piped_project_id_env_ids_asc ON Piped (ProjectId, (CAST(EnvIds AS CHAR(36) ARRAY)));
+
+--
+-- DeploymentChain table indexes
+--
+
+-- index on `ProjectId` ASC and `UpdatedAt` DESC
+CREATE INDEX deploymentchain_project_id_updated_at_desc ON DeploymentChain (ProjectId, UpdatedAt DESC);
diff --git a/pkg/datastore/mysql/ensurer/schema.sql b/pkg/datastore/mysql/ensurer/schema.sql
index 04c7a7d04a..599e01c0bd 100644
--- a/pkg/datastore/mysql/ensurer/schema.sql
+++ b/pkg/datastore/mysql/ensurer/schema.sql
@@ -103,3 +103,16 @@ CREATE TABLE IF NOT EXISTS Event (
   CreatedAt INT(11) GENERATED ALWAYS AS (data->>"$.created_at") STORED NOT NULL,
   UpdatedAt INT(11) GENERATED ALWAYS AS (data->>"$.updated_at") STORED NOT NULL
 ) ENGINE=InnoDB;
+
+--
+-- DeploymentChain table
+--
+
+CREATE TABLE IF NOT EXISTS DeploymentChain (
+  Id BINARY(16) PRIMARY KEY,
+  Data JSON NOT NULL,
+  ProjectId VARCHAR(50) GENERATED ALWAYS AS (data->>"$.project_id") STORED NOT NULL,
+  Extra VARCHAR(100) GENERATED ALWAYS AS (data->>"$._extra") STORED,
+  CreatedAt INT(11) GENERATED ALWAYS AS (data->>"$.created_at") STORED NOT NULL,
+  UpdatedAt INT(11) GENERATED ALWAYS AS (data->>"$.updated_at") STORED NOT NULL
+) ENGINE=InnoDB;