diff --git a/src/main/resources/db/migration/V1_0__Database_Init.sql b/src/main/resources/db/migration/V1_0__Database_Init.sql
index 1dce03a..f850bb7 100644
--- a/src/main/resources/db/migration/V1_0__Database_Init.sql
+++ b/src/main/resources/db/migration/V1_0__Database_Init.sql
@@ -19,6 +19,8 @@ CREATE TABLE booru.image
     CONSTRAINT uploader FOREIGN KEY (uploader) REFERENCES booru.member (id)
 );
 
+CREATE UNIQUE INDEX image_pk_index ON booru.image(id);
+
 CREATE TABLE booru.role
 (
     id   bigserial NOT NULL PRIMARY KEY,
@@ -32,6 +34,8 @@ CREATE TABLE booru.tag
     amount bigint NOT NULL
 );
 
+CREATE UNIQUE INDEX tag_pk_index ON booru.tag(id);
+
 CREATE TABLE booru.tag_image
 (
     tag_id   bigint NOT NULL,
@@ -41,6 +45,9 @@ CREATE TABLE booru.tag_image
     CONSTRAINT tag FOREIGN KEY (tag_id) REFERENCES booru.tag (id)
 );
 
+CREATE INDEX ti_image_index ON booru.tag_image(image_id);
+CREATE INDEX ti_tag_index ON booru.tag_image(tag_id);
+
 CREATE TABLE booru.member_roles
 (
     member_id bigint NOT NULL,