diff --git a/sea-orm-codegen/tests/mod.rs b/sea-orm-codegen/tests/mod.rs
index 12c18066..b06d561d 100644
--- a/sea-orm-codegen/tests/mod.rs
+++ b/sea-orm-codegen/tests/mod.rs
@@ -2,7 +2,7 @@ mod entity;
 
 use entity::*;
 
-use sea_orm::{entity::*, error::*, MockDatabase, MockExecResult, Transaction};
+use sea_orm::{entity::*, error::*, MockDatabase, MockExecResult, Syntax, Transaction};
 
 #[async_std::test]
 async fn test_insert() -> Result<(), DbErr> {
@@ -11,7 +11,7 @@ async fn test_insert() -> Result<(), DbErr> {
         rows_affected: 1,
     };
 
-    let db = MockDatabase::new()
+    let db = MockDatabase::new(Syntax::Postgres)
         .append_exec_results(vec![exec_result.clone()])
         .into_connection();
 
@@ -27,6 +27,7 @@ async fn test_insert() -> Result<(), DbErr> {
     assert_eq!(
         db.into_transaction_log(),
         vec![Transaction::from_sql_and_values(
+            Syntax::Postgres,
             r#"INSERT INTO "cake" ("name") VALUES ($1)"#,
             vec!["Apple Pie".into()]
         )]
@@ -42,7 +43,7 @@ async fn test_select() -> Result<(), DbErr> {
         filling_id: 3,
     }];
 
-    let db = MockDatabase::new()
+    let db = MockDatabase::new(Syntax::Postgres)
         .append_query_results(vec![query_results.clone()])
         .into_connection();
 
@@ -52,7 +53,9 @@ async fn test_select() -> Result<(), DbErr> {
 
     assert_eq!(
         db.into_transaction_log(),
-        vec![Transaction::from_sql_and_values([
+        vec![Transaction::from_sql_and_values(
+            Syntax::Postgres,
+            [
                 r#"SELECT "cake_filling"."cake_id", "cake_filling"."filling_id" FROM "cake_filling""#,
                 r#"WHERE "cake_filling"."cake_id" = $1 AND "cake_filling"."filling_id" = $2"#,
             ].join(" ").as_str(),
@@ -70,7 +73,7 @@ async fn test_update() -> Result<(), DbErr> {
         rows_affected: 1,
     };
 
-    let db = MockDatabase::new()
+    let db = MockDatabase::new(Syntax::Postgres)
         .append_exec_results(vec![exec_result.clone()])
         .into_connection();
 
@@ -87,6 +90,7 @@ async fn test_update() -> Result<(), DbErr> {
     assert_eq!(
         db.into_transaction_log(),
         vec![Transaction::from_sql_and_values(
+            Syntax::Postgres,
             r#"UPDATE "fruit" SET "name" = $1 WHERE "fruit"."id" = $2"#,
             vec!["Orange".into(), 1i32.into()]
         )]
@@ -102,7 +106,7 @@ async fn test_delete() -> Result<(), DbErr> {
         rows_affected: 1,
     };
 
-    let db = MockDatabase::new()
+    let db = MockDatabase::new(Syntax::Postgres)
         .append_exec_results(vec![exec_result.clone()])
         .into_connection();
 
@@ -118,6 +122,7 @@ async fn test_delete() -> Result<(), DbErr> {
     assert_eq!(
         db.into_transaction_log(),
         vec![Transaction::from_sql_and_values(
+            Syntax::Postgres,
             r#"DELETE FROM "fruit" WHERE "fruit"."id" = $1"#,
             vec![3i32.into()]
         )]
diff --git a/src/database/connection.rs b/src/database/connection.rs
index 4f880b7f..bd6a6d44 100644
--- a/src/database/connection.rs
+++ b/src/database/connection.rs
@@ -60,7 +60,7 @@ impl DatabaseConnection {
             #[cfg(feature = "sqlx-sqlite")]
             DatabaseConnection::SqlxSqlitePoolConnection(_) => QueryBuilderBackend::Sqlite,
             #[cfg(feature = "mock")]
-            DatabaseConnection::MockDatabaseConnection(_) => QueryBuilderBackend::Postgres,
+            DatabaseConnection::MockDatabaseConnection(conn) => conn.get_query_builder_backend(),
             DatabaseConnection::Disconnected => panic!("Disconnected"),
         }
     }
@@ -72,7 +72,7 @@ impl DatabaseConnection {
             #[cfg(feature = "sqlx-sqlite")]
             DatabaseConnection::SqlxSqlitePoolConnection(_) => SchemaBuilderBackend::Sqlite,
             #[cfg(feature = "mock")]
-            DatabaseConnection::MockDatabaseConnection(_) => SchemaBuilderBackend::Postgres,
+            DatabaseConnection::MockDatabaseConnection(conn) => conn.get_schema_builder_backend(),
             DatabaseConnection::Disconnected => panic!("Disconnected"),
         }
     }
diff --git a/src/database/mock.rs b/src/database/mock.rs
index ab002acb..6aa5f6e6 100644
--- a/src/database/mock.rs
+++ b/src/database/mock.rs
@@ -1,13 +1,14 @@
 use crate::{
     error::*, DatabaseConnection, EntityTrait, ExecResult, ExecResultHolder, Iden, Iterable,
     MockDatabaseConnection, MockDatabaseTrait, ModelTrait, QueryResult, QueryResultRow, Statement,
-    Transaction,
+    Syntax, Transaction,
 };
 use sea_query::{Value, ValueType};
 use std::collections::BTreeMap;
 
-#[derive(Debug, Default)]
+#[derive(Debug)]
 pub struct MockDatabase {
+    syntax: Syntax,
     transaction_log: Vec<Transaction>,
     exec_results: Vec<MockExecResult>,
     query_results: Vec<Vec<MockRow>>,
@@ -42,8 +43,13 @@ where
 }
 
 impl MockDatabase {
-    pub fn new() -> Self {
-        Default::default()
+    pub fn new(syntax: Syntax) -> Self {
+        Self {
+            syntax,
+            transaction_log: Vec::new(),
+            exec_results: Vec::new(),
+            query_results: Vec::new(),
+        }
     }
 
     pub fn into_connection(self) -> DatabaseConnection {
@@ -96,6 +102,10 @@ impl MockDatabaseTrait for MockDatabase {
     fn drain_transaction_log(&mut self) -> Vec<Transaction> {
         std::mem::take(&mut self.transaction_log)
     }
+
+    fn get_syntax(&self) -> Syntax {
+        self.syntax
+    }
 }
 
 impl MockRow {
diff --git a/src/database/statement.rs b/src/database/statement.rs
index 34ece553..2b19d59a 100644
--- a/src/database/statement.rs
+++ b/src/database/statement.rs
@@ -1,4 +1,4 @@
-use crate::QueryBuilderWithSyntax;
+use crate::{QueryBuilderBackend, QueryBuilderWithSyntax, SchemaBuilderBackend};
 use sea_query::{
     inject_parameters, MysqlQueryBuilder, PostgresQueryBuilder, QueryBuilder, SqliteQueryBuilder,
     Values,
@@ -63,6 +63,22 @@ impl Syntax {
             Self::Sqlite => Box::new(SqliteQueryBuilder),
         }
     }
+
+    pub fn get_query_builder_backend(&self) -> QueryBuilderBackend {
+        match self {
+            Self::MySql => QueryBuilderBackend::MySql,
+            Self::Postgres => QueryBuilderBackend::Postgres,
+            Self::Sqlite => QueryBuilderBackend::Sqlite,
+        }
+    }
+
+    pub fn get_schema_builder_backend(&self) -> SchemaBuilderBackend {
+        match self {
+            Self::MySql => SchemaBuilderBackend::MySql,
+            Self::Postgres => SchemaBuilderBackend::Postgres,
+            Self::Sqlite => SchemaBuilderBackend::Sqlite,
+        }
+    }
 }
 
 impl QueryBuilderWithSyntax for MysqlQueryBuilder {
diff --git a/src/database/transaction.rs b/src/database/transaction.rs
index 0c49a4e8..7c62da60 100644
--- a/src/database/transaction.rs
+++ b/src/database/transaction.rs
@@ -7,12 +7,12 @@ pub struct Transaction {
 }
 
 impl Transaction {
-    pub fn from_sql_and_values<I>(sql: &str, values: I) -> Self
+    pub fn from_sql_and_values<I>(syntax: Syntax, sql: &str, values: I) -> Self
     where
         I: IntoIterator<Item = Value>,
     {
         Self::one(Statement::from_string_values_tuple(
-            Syntax::Postgres,
+            syntax,
             (sql.to_string(), Values(values.into_iter().collect())),
         ))
     }
diff --git a/src/driver/mock.rs b/src/driver/mock.rs
index 96224c38..7f6421e4 100644
--- a/src/driver/mock.rs
+++ b/src/driver/mock.rs
@@ -1,6 +1,6 @@
 use crate::{
-    debug_print, error::*, DatabaseConnection, ExecResult, MockDatabase, QueryResult, Statement,
-    Transaction,
+    debug_print, error::*, DatabaseConnection, ExecResult, MockDatabase, QueryBuilderBackend,
+    QueryResult, SchemaBuilderBackend, Statement, Syntax, Transaction,
 };
 use std::sync::{
     atomic::{AtomicUsize, Ordering},
@@ -20,17 +20,41 @@ pub trait MockDatabaseTrait: Send {
     fn query(&mut self, counter: usize, stmt: Statement) -> Result<Vec<QueryResult>, DbErr>;
 
     fn drain_transaction_log(&mut self) -> Vec<Transaction>;
+
+    fn get_syntax(&self) -> Syntax;
 }
 
 impl MockDatabaseConnector {
     pub fn accepts(string: &str) -> bool {
-        string.starts_with("mock://")
+        #[cfg(feature = "sqlx-mysql")]
+        if crate::SqlxMySqlConnector::accepts(string) {
+            return true;
+        }
+        #[cfg(feature = "sqlx-sqlite")]
+        if crate::SqlxSqliteConnector::accepts(string) {
+            return true;
+        }
+        false
     }
 
-    pub async fn connect(_string: &str) -> Result<DatabaseConnection, DbErr> {
-        Ok(DatabaseConnection::MockDatabaseConnection(
-            MockDatabaseConnection::new(MockDatabase::new()),
-        ))
+    pub async fn connect(string: &str) -> Result<DatabaseConnection, DbErr> {
+        macro_rules! connect_mock_db {
+            ( $syntax: expr ) => {
+                Ok(DatabaseConnection::MockDatabaseConnection(
+                    MockDatabaseConnection::new(MockDatabase::new($syntax)),
+                ))
+            };
+        }
+
+        #[cfg(feature = "sqlx-mysql")]
+        if crate::SqlxMySqlConnector::accepts(string) {
+            return connect_mock_db!(Syntax::MySql);
+        }
+        #[cfg(feature = "sqlx-sqlite")]
+        if crate::SqlxSqliteConnector::accepts(string) {
+            return connect_mock_db!(Syntax::Sqlite);
+        }
+        connect_mock_db!(Syntax::Postgres)
     }
 }
 
@@ -67,4 +91,20 @@ impl MockDatabaseConnection {
         let counter = self.counter.fetch_add(1, Ordering::SeqCst);
         self.mocker.lock().unwrap().query(counter, statement)
     }
+
+    pub fn get_query_builder_backend(&self) -> QueryBuilderBackend {
+        self.mocker
+            .lock()
+            .unwrap()
+            .get_syntax()
+            .get_query_builder_backend()
+    }
+
+    pub fn get_schema_builder_backend(&self) -> SchemaBuilderBackend {
+        self.mocker
+            .lock()
+            .unwrap()
+            .get_syntax()
+            .get_schema_builder_backend()
+    }
 }
diff --git a/src/entity/base_entity.rs b/src/entity/base_entity.rs
index bec0c854..b64e8310 100644
--- a/src/entity/base_entity.rs
+++ b/src/entity/base_entity.rs
@@ -70,9 +70,9 @@ pub trait EntityTrait: EntityName {
     ///
     /// ```
     /// # #[cfg(feature = "mock")]
-    /// # use sea_orm::{error::*, MockDatabase, Transaction, tests_cfg::*};
+    /// # use sea_orm::{error::*, tests_cfg::*, MockDatabase, Transaction, Syntax};
     /// #
-    /// # let db = MockDatabase::new()
+    /// # let db = MockDatabase::new(Syntax::Postgres)
     /// #     .append_query_results(vec![
     /// #         vec![
     /// #             cake::Model {
@@ -126,10 +126,10 @@ pub trait EntityTrait: EntityName {
     ///     db.into_transaction_log(),
     ///     vec![
     ///     Transaction::from_sql_and_values(
-    ///         r#"SELECT "cake"."id", "cake"."name" FROM "cake" LIMIT $1"#, vec![1u64.into()]
+    ///         Syntax::Postgres, r#"SELECT "cake"."id", "cake"."name" FROM "cake" LIMIT $1"#, vec![1u64.into()]
     ///     ),
     ///     Transaction::from_sql_and_values(
-    ///         r#"SELECT "cake"."id", "cake"."name" FROM "cake""#, vec![]
+    ///         Syntax::Postgres, r#"SELECT "cake"."id", "cake"."name" FROM "cake""#, vec![]
     ///     ),
     /// ]);
     /// ```
@@ -143,9 +143,9 @@ pub trait EntityTrait: EntityName {
     ///
     /// ```
     /// # #[cfg(feature = "mock")]
-    /// # use sea_orm::{error::*, MockDatabase, Transaction, tests_cfg::*};
+    /// # use sea_orm::{error::*, tests_cfg::*, MockDatabase, Transaction, Syntax};
     /// #
-    /// # let db = MockDatabase::new()
+    /// # let db = MockDatabase::new(Syntax::Postgres)
     /// #     .append_query_results(vec![
     /// #         vec![
     /// #             cake::Model {
@@ -174,15 +174,15 @@ pub trait EntityTrait: EntityName {
     /// assert_eq!(
     ///     db.into_transaction_log(),
     ///     vec![Transaction::from_sql_and_values(
-    ///         r#"SELECT "cake"."id", "cake"."name" FROM "cake" WHERE "cake"."id" = $1"#, vec![11i32.into()]
+    ///         Syntax::Postgres, r#"SELECT "cake"."id", "cake"."name" FROM "cake" WHERE "cake"."id" = $1"#, vec![11i32.into()]
     ///     )]);
     /// ```
     /// Find by composite key
     /// ```
     /// # #[cfg(feature = "mock")]
-    /// # use sea_orm::{error::*, MockDatabase, Transaction, tests_cfg::*};
+    /// # use sea_orm::{error::*, tests_cfg::*, MockDatabase, Transaction, Syntax};
     /// #
-    /// # let db = MockDatabase::new()
+    /// # let db = MockDatabase::new(Syntax::Postgres)
     /// #     .append_query_results(vec![
     /// #         vec![
     /// #             cake_filling::Model {
@@ -210,7 +210,9 @@ pub trait EntityTrait: EntityName {
     ///
     /// assert_eq!(
     ///     db.into_transaction_log(),
-    ///     vec![Transaction::from_sql_and_values([
+    ///     vec![Transaction::from_sql_and_values(
+    ///         Syntax::Postgres,
+    ///         [
     ///             r#"SELECT "cake_filling"."cake_id", "cake_filling"."filling_id" FROM "cake_filling""#,
     ///             r#"WHERE "cake_filling"."cake_id" = $1 AND "cake_filling"."filling_id" = $2"#,
     ///         ].join(" ").as_str(),
@@ -243,9 +245,9 @@ pub trait EntityTrait: EntityName {
     ///
     /// ```
     /// # #[cfg(feature = "mock")]
-    /// # use sea_orm::{error::*, MockDatabase, MockExecResult, Transaction, tests_cfg::*};
+    /// # use sea_orm::{error::*, tests_cfg::*, MockDatabase, MockExecResult, Transaction, Syntax};
     /// #
-    /// # let db = MockDatabase::new()
+    /// # let db = MockDatabase::new(Syntax::Postgres)
     /// #     .append_exec_results(vec![
     /// #         MockExecResult {
     /// #             last_insert_id: 15,
@@ -274,7 +276,7 @@ pub trait EntityTrait: EntityName {
     /// assert_eq!(
     ///     db.into_transaction_log(),
     ///     vec![Transaction::from_sql_and_values(
-    ///         r#"INSERT INTO "cake" ("name") VALUES ($1)"#, vec!["Apple Pie".into()]
+    ///         Syntax::Postgres, r#"INSERT INTO "cake" ("name") VALUES ($1)"#, vec!["Apple Pie".into()]
     ///     )]);
     /// ```
     fn insert<A>(model: A) -> Insert<A>
@@ -290,9 +292,9 @@ pub trait EntityTrait: EntityName {
     ///
     /// ```
     /// # #[cfg(feature = "mock")]
-    /// # use sea_orm::{error::*, MockDatabase, MockExecResult, Transaction, tests_cfg::*};
+    /// # use sea_orm::{error::*, tests_cfg::*, MockDatabase, MockExecResult, Transaction, Syntax};
     /// #
-    /// # let db = MockDatabase::new()
+    /// # let db = MockDatabase::new(Syntax::Postgres)
     /// #     .append_exec_results(vec![
     /// #         MockExecResult {
     /// #             last_insert_id: 28,
@@ -325,7 +327,7 @@ pub trait EntityTrait: EntityName {
     /// assert_eq!(
     ///     db.into_transaction_log(),
     ///     vec![Transaction::from_sql_and_values(
-    ///         r#"INSERT INTO "cake" ("name") VALUES ($1), ($2)"#,
+    ///         Syntax::Postgres, r#"INSERT INTO "cake" ("name") VALUES ($1), ($2)"#,
     ///         vec!["Apple Pie".into(), "Orange Scone".into()]
     ///     )]);
     /// ```
@@ -345,9 +347,9 @@ pub trait EntityTrait: EntityName {
     ///
     /// ```
     /// # #[cfg(feature = "mock")]
-    /// # use sea_orm::{error::*, MockDatabase, MockExecResult, Transaction, tests_cfg::*};
+    /// # use sea_orm::{error::*, tests_cfg::*, MockDatabase, MockExecResult, Transaction, Syntax};
     /// #
-    /// # let db = MockDatabase::new()
+    /// # let db = MockDatabase::new(Syntax::Postgres)
     /// #     .append_exec_results(vec![
     /// #         MockExecResult {
     /// #             last_insert_id: 0,
@@ -377,7 +379,7 @@ pub trait EntityTrait: EntityName {
     /// assert_eq!(
     ///     db.into_transaction_log(),
     ///     vec![Transaction::from_sql_and_values(
-    ///         r#"UPDATE "fruit" SET "name" = $1 WHERE "fruit"."id" = $2"#, vec!["Orange".into(), 1i32.into()]
+    ///         Syntax::Postgres, r#"UPDATE "fruit" SET "name" = $1 WHERE "fruit"."id" = $2"#, vec!["Orange".into(), 1i32.into()]
     ///     )]);
     /// ```
     fn update<A>(model: A) -> UpdateOne<A>
@@ -395,9 +397,9 @@ pub trait EntityTrait: EntityName {
     ///
     /// ```
     /// # #[cfg(feature = "mock")]
-    /// # use sea_orm::{error::*, MockDatabase, MockExecResult, Transaction, tests_cfg::*};
+    /// # use sea_orm::{error::*, tests_cfg::*, MockDatabase, MockExecResult, Transaction, Syntax};
     /// #
-    /// # let db = MockDatabase::new()
+    /// # let db = MockDatabase::new(Syntax::Postgres)
     /// #     .append_exec_results(vec![
     /// #         MockExecResult {
     /// #             last_insert_id: 0,
@@ -424,7 +426,7 @@ pub trait EntityTrait: EntityName {
     /// assert_eq!(
     ///     db.into_transaction_log(),
     ///     vec![Transaction::from_sql_and_values(
-    ///         r#"UPDATE "fruit" SET "cake_id" = $1 WHERE "fruit"."name" LIKE $2"#, vec![Value::Null, "%Apple%".into()]
+    ///         Syntax::Postgres, r#"UPDATE "fruit" SET "cake_id" = $1 WHERE "fruit"."name" LIKE $2"#, vec![Value::Null, "%Apple%".into()]
     ///     )]);
     /// ```
     fn update_many() -> UpdateMany<Self> {
@@ -439,9 +441,9 @@ pub trait EntityTrait: EntityName {
     ///
     /// ```
     /// # #[cfg(feature = "mock")]
-    /// # use sea_orm::{error::*, MockDatabase, MockExecResult, Transaction, tests_cfg::*};
+    /// # use sea_orm::{error::*, tests_cfg::*, MockDatabase, MockExecResult, Transaction, Syntax};
     /// #
-    /// # let db = MockDatabase::new()
+    /// # let db = MockDatabase::new(Syntax::Postgres)
     /// #     .append_exec_results(vec![
     /// #         MockExecResult {
     /// #             last_insert_id: 0,
@@ -469,7 +471,7 @@ pub trait EntityTrait: EntityName {
     /// assert_eq!(
     ///     db.into_transaction_log(),
     ///     vec![Transaction::from_sql_and_values(
-    ///         r#"DELETE FROM "fruit" WHERE "fruit"."id" = $1"#, vec![3i32.into()]
+    ///         Syntax::Postgres, r#"DELETE FROM "fruit" WHERE "fruit"."id" = $1"#, vec![3i32.into()]
     ///     )]);
     /// ```
     fn delete<A>(model: A) -> DeleteOne<A>
@@ -487,9 +489,9 @@ pub trait EntityTrait: EntityName {
     ///
     /// ```
     /// # #[cfg(feature = "mock")]
-    /// # use sea_orm::{error::*, MockDatabase, MockExecResult, Transaction, tests_cfg::*};
+    /// # use sea_orm::{error::*, tests_cfg::*, MockDatabase, MockExecResult, Transaction, Syntax};
     /// #
-    /// # let db = MockDatabase::new()
+    /// # let db = MockDatabase::new(Syntax::Postgres)
     /// #     .append_exec_results(vec![
     /// #         MockExecResult {
     /// #             last_insert_id: 0,
@@ -515,7 +517,7 @@ pub trait EntityTrait: EntityName {
     /// assert_eq!(
     ///     db.into_transaction_log(),
     ///     vec![Transaction::from_sql_and_values(
-    ///         r#"DELETE FROM "fruit" WHERE "fruit"."name" LIKE $1"#, vec!["%Apple%".into()]
+    ///         Syntax::Postgres, r#"DELETE FROM "fruit" WHERE "fruit"."name" LIKE $1"#, vec!["%Apple%".into()]
     ///     )]);
     /// ```
     fn delete_many() -> DeleteMany<Self> {
diff --git a/src/executor/paginator.rs b/src/executor/paginator.rs
index 8ea2af9f..6b4459cc 100644
--- a/src/executor/paginator.rs
+++ b/src/executor/paginator.rs
@@ -103,7 +103,7 @@ where
 mod tests {
     use crate::entity::prelude::*;
     use crate::tests_cfg::*;
-    use crate::{DatabaseConnection, MockDatabase, Transaction};
+    use crate::{DatabaseConnection, MockDatabase, Syntax, Transaction};
     use futures::TryStreamExt;
     use sea_query::{Alias, Expr, SelectStatement, Value};
 
@@ -129,7 +129,7 @@ mod tests {
 
         let page3 = Vec::<fruit::Model>::new();
 
-        let db = MockDatabase::new()
+        let db = MockDatabase::new(Syntax::Postgres)
             .append_query_results(vec![page1.clone(), page2.clone(), page3.clone()])
             .into_connection();
 
@@ -138,7 +138,7 @@ mod tests {
 
     fn setup_num_rows() -> (DatabaseConnection, i32) {
         let num_rows = 3;
-        let db = MockDatabase::new()
+        let db = MockDatabase::new(Syntax::Postgres)
             .append_query_results(vec![vec![maplit::btreemap! {
                 "num_rows" => Into::<Value>::into(num_rows),
             }]])
diff --git a/src/query/json.rs b/src/query/json.rs
index 98cf49b9..8284427c 100644
--- a/src/query/json.rs
+++ b/src/query/json.rs
@@ -102,12 +102,12 @@ impl FromQueryResult for JsonValue {
 #[cfg(feature = "mock")]
 mod tests {
     use crate::tests_cfg::cake;
-    use crate::{entity::*, MockDatabase};
+    use crate::{entity::*, MockDatabase, Syntax};
     use sea_query::Value;
 
     #[async_std::test]
     async fn to_json_1() {
-        let db = MockDatabase::new()
+        let db = MockDatabase::new(Syntax::Postgres)
             .append_query_results(vec![vec![maplit::btreemap! {
                 "id" => Into::<Value>::into(128), "name" => Into::<Value>::into("apple")
             }]])