diff --git a/1-sql/2026-03-31/dimension_template.sql b/1-sql/2026-03-31/dimension_template.sql
new file mode 100644
index 00000000..64fe8dda
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+++ b/1-sql/2026-03-31/dimension_template.sql
@@ -0,0 +1,3 @@
+ALTER TABLE dimension_template  DROP INDEX templateName ON dimension_template;
+
+ALTER TABLE dimension_template ADD UNIQUE INDEX uk_tenantid_templatename (tenantId, templateName);
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