diff --git a/2026-01/spring-09-jdbc/jdbc-demo-exercise/src/main/resources/data.sql b/2026-01/spring-09-jdbc/jdbc-demo-exercise/src/main/resources/data.sql
index f41e427b..9de9daab 100644
--- a/2026-01/spring-09-jdbc/jdbc-demo-exercise/src/main/resources/data.sql
+++ b/2026-01/spring-09-jdbc/jdbc-demo-exercise/src/main/resources/data.sql
@@ -1,2 +1,2 @@
-insert into persons (id, ` name `)
+insert into persons (id, name)
 values (1, 'masha');
diff --git a/2026-01/spring-09-jdbc/jdbc-demo-exercise/src/test/resources/data.sql b/2026-01/spring-09-jdbc/jdbc-demo-exercise/src/test/resources/data.sql
index d2711595..e58b8502 100644
--- a/2026-01/spring-09-jdbc/jdbc-demo-exercise/src/test/resources/data.sql
+++ b/2026-01/spring-09-jdbc/jdbc-demo-exercise/src/test/resources/data.sql
@@ -1,2 +1,2 @@
-insert into persons (id, ` name `)
+insert into persons (id, name)
 values (1, 'Ivan');
diff --git a/2026-01/spring-09-jdbc/jdbc-demo-solution-3/src/main/resources/data.sql b/2026-01/spring-09-jdbc/jdbc-demo-solution-3/src/main/resources/data.sql
index f41e427b..9de9daab 100644
--- a/2026-01/spring-09-jdbc/jdbc-demo-solution-3/src/main/resources/data.sql
+++ b/2026-01/spring-09-jdbc/jdbc-demo-solution-3/src/main/resources/data.sql
@@ -1,2 +1,2 @@
-insert into persons (id, ` name `)
+insert into persons (id, name)
 values (1, 'masha');
diff --git a/2026-01/spring-09-jdbc/jdbc-demo-solution-3/src/test/resources/data.sql b/2026-01/spring-09-jdbc/jdbc-demo-solution-3/src/test/resources/data.sql
index d2711595..e58b8502 100644
--- a/2026-01/spring-09-jdbc/jdbc-demo-solution-3/src/test/resources/data.sql
+++ b/2026-01/spring-09-jdbc/jdbc-demo-solution-3/src/test/resources/data.sql
@@ -1,2 +1,2 @@
-insert into persons (id, ` name `)
+insert into persons (id, name)
 values (1, 'Ivan');
diff --git a/2026-01/spring-09-jdbc/jdbc-demo-solution-4/src/main/resources/data.sql b/2026-01/spring-09-jdbc/jdbc-demo-solution-4/src/main/resources/data.sql
index f41e427b..9de9daab 100644
--- a/2026-01/spring-09-jdbc/jdbc-demo-solution-4/src/main/resources/data.sql
+++ b/2026-01/spring-09-jdbc/jdbc-demo-solution-4/src/main/resources/data.sql
@@ -1,2 +1,2 @@
-insert into persons (id, ` name `)
+insert into persons (id, name)
 values (1, 'masha');
diff --git a/2026-01/spring-09-jdbc/jdbc-demo-solution-4/src/test/resources/data.sql b/2026-01/spring-09-jdbc/jdbc-demo-solution-4/src/test/resources/data.sql
index d2711595..e58b8502 100644
--- a/2026-01/spring-09-jdbc/jdbc-demo-solution-4/src/test/resources/data.sql
+++ b/2026-01/spring-09-jdbc/jdbc-demo-solution-4/src/test/resources/data.sql
@@ -1,2 +1,2 @@
-insert into persons (id, ` name `)
+insert into persons (id, name)
 values (1, 'Ivan');
diff --git a/2026-01/spring-09-jdbc/jdbc-demo-solution-5/src/main/resources/data.sql b/2026-01/spring-09-jdbc/jdbc-demo-solution-5/src/main/resources/data.sql
index f41e427b..9de9daab 100644
--- a/2026-01/spring-09-jdbc/jdbc-demo-solution-5/src/main/resources/data.sql
+++ b/2026-01/spring-09-jdbc/jdbc-demo-solution-5/src/main/resources/data.sql
@@ -1,2 +1,2 @@
-insert into persons (id, ` name `)
+insert into persons (id, name)
 values (1, 'masha');
diff --git a/2026-01/spring-09-jdbc/jdbc-demo-solution-5/src/test/resources/data.sql b/2026-01/spring-09-jdbc/jdbc-demo-solution-5/src/test/resources/data.sql
index d2711595..e58b8502 100644
--- a/2026-01/spring-09-jdbc/jdbc-demo-solution-5/src/test/resources/data.sql
+++ b/2026-01/spring-09-jdbc/jdbc-demo-solution-5/src/test/resources/data.sql
@@ -1,2 +1,2 @@
-insert into persons (id, ` name `)
+insert into persons (id, name)
 values (1, 'Ivan');
diff --git a/2026-01/spring-09-jdbc/jdbc-demo-solution-final/src/main/resources/data.sql b/2026-01/spring-09-jdbc/jdbc-demo-solution-final/src/main/resources/data.sql
index f41e427b..9de9daab 100644
--- a/2026-01/spring-09-jdbc/jdbc-demo-solution-final/src/main/resources/data.sql
+++ b/2026-01/spring-09-jdbc/jdbc-demo-solution-final/src/main/resources/data.sql
@@ -1,2 +1,2 @@
-insert into persons (id, ` name `)
+insert into persons (id, name)
 values (1, 'masha');
diff --git a/2026-01/spring-09-jdbc/jdbc-demo-solution-final/src/test/resources/data.sql b/2026-01/spring-09-jdbc/jdbc-demo-solution-final/src/test/resources/data.sql
index d2711595..e58b8502 100644
--- a/2026-01/spring-09-jdbc/jdbc-demo-solution-final/src/test/resources/data.sql
+++ b/2026-01/spring-09-jdbc/jdbc-demo-solution-final/src/test/resources/data.sql
@@ -1,2 +1,2 @@
-insert into persons (id, ` name `)
+insert into persons (id, name)
 values (1, 'Ivan');