diff --git a/CHANGELOG.md b/CHANGELOG.md
index cf3960422..78750d667 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## 1.1.2 under development
 
 - Bug #746: Refactor `DMLQueryBuilder` and fix: unique indexes in `upsert()`, column names with table name and brackets, `batchInsert()` with associative arrays, enhanced documentation of `batchInsert()` and `update()` (@Tigrov)
+- Bug #751: Fix collected debug actions (@xepozz)
 
 ## 1.1.1 August 16, 2023
 
diff --git a/docs/en/README.md b/docs/en/README.md
index 7002fa3c0..bc93b7e05 100644
--- a/docs/en/README.md
+++ b/docs/en/README.md
@@ -51,7 +51,7 @@ For [PostgreSQL](https://github.com/yiisoft/db-pgsql):
 composer require yiisoft/db-pgsql
 ```
 
-For [SQLite](https://github.com/yiisoft/db-pgsql):
+For [SQLite](https://github.com/yiisoft/db-sqlite):
 
 ```bash
 composer require yiisoft/db-sqlite
diff --git a/src/Debug/DatabaseCollector.php b/src/Debug/DatabaseCollector.php
index ff708dbb4..2bf444c92 100644
--- a/src/Debug/DatabaseCollector.php
+++ b/src/Debug/DatabaseCollector.php
@@ -76,8 +76,10 @@ public function collectQueryStart(
             'line' => $line,
             'status' => self::QUERY_STATUS_INITIALIZED,
             'actions' => [
-                'action' => self::ACTION_QUERY_START,
-                'time' => microtime(true),
+                [
+                    'action' => self::ACTION_QUERY_START,
+                    'time' => microtime(true),
+                ],
             ],
         ];
     }
@@ -127,8 +129,10 @@ public function collectTransactionStart(
             'line' => $line,
             'level' => $isolationLevel,
             'actions' => [
-                'action' => self::ACTION_TRANSACTION_START,
-                'time' => microtime(true),
+                [
+                    'action' => self::ACTION_TRANSACTION_START,
+                    'time' => microtime(true),
+                ],
             ],
         ];
     }
@@ -140,7 +144,7 @@ public function collectTransactionRollback(
         string $line,
     ): void {
         $this->transactions[$this->currentTransactionId]['status'] = self::TRANSACTION_STATUS_ROLLBACK;
-        $this->transactions[$this->currentTransactionId]['actions'] = [
+        $this->transactions[$this->currentTransactionId]['actions'][] = [
             'action' => self::ACTION_TRANSACTION_ROLLBACK,
             'line' => $line,
             'time' => microtime(true),
@@ -155,7 +159,7 @@ public function collectTransactionCommit(
         string $line,
     ): void {
         $this->transactions[$this->currentTransactionId]['status'] = self::TRANSACTION_STATUS_COMMIT;
-        $this->transactions[$this->currentTransactionId]['actions'] = [
+        $this->transactions[$this->currentTransactionId]['actions'][] = [
             'action' => self::ACTION_TRANSACTION_COMMIT,
             'line' => $line,
             'time' => microtime(true),
diff --git a/tests/Provider/ColumnTypes.php b/tests/Provider/ColumnTypes.php
index 8312298df..2cd4bffc1 100644
--- a/tests/Provider/ColumnTypes.php
+++ b/tests/Provider/ColumnTypes.php
@@ -198,7 +198,7 @@ public function getColumnTypes(): array
                     'mysql' => 'datetime(0) NOT NULL',
                     'pgsql' => 'timestamp(0) NOT NULL',
                     'sqlite' => 'datetime NOT NULL',
-                    'oci' => 'TIMESTAMP NOT NULL',
+                    'oci' => 'TIMESTAMP(0) NOT NULL',
                     'sqlsrv' => 'datetime NOT NULL',
                 ],
             ],
@@ -208,7 +208,7 @@ public function getColumnTypes(): array
                     'mysql' => 'datetime(0)',
                     'pgsql' => 'timestamp(0)',
                     'sqlite' => 'datetime',
-                    'oci' => 'TIMESTAMP',
+                    'oci' => 'TIMESTAMP(0)',
                     'sqlsrv' => 'datetime',
                 ],
             ],
@@ -218,7 +218,7 @@ public function getColumnTypes(): array
                     'mysql' => 'decimal(10,0) CHECK (value > 5.6)',
                     'pgsql' => 'numeric(10,0) CHECK (value > 5.6)',
                     'sqlite' => 'decimal(10,0) CHECK (value > 5.6)',
-                    'oci' => 'NUMBER CHECK (value > 5.6)',
+                    'oci' => 'NUMBER(10,0) CHECK (value > 5.6)',
                     'sqlsrv' => 'decimal(18,0) CHECK (value > 5.6)',
                 ],
             ],
@@ -228,7 +228,7 @@ public function getColumnTypes(): array
                     'mysql' => 'decimal(10,0) NOT NULL',
                     'pgsql' => 'numeric(10,0) NOT NULL',
                     'sqlite' => 'decimal(10,0) NOT NULL',
-                    'oci' => 'NUMBER NOT NULL',
+                    'oci' => 'NUMBER(10,0) NOT NULL',
                     'sqlsrv' => 'decimal(18,0) NOT NULL',
                 ],
             ],
@@ -238,7 +238,7 @@ public function getColumnTypes(): array
                     'mysql' => 'decimal(12,4) CHECK (value > 5.6)',
                     'pgsql' => 'numeric(12,4) CHECK (value > 5.6)',
                     'sqlite' => 'decimal(12,4) CHECK (value > 5.6)',
-                    'oci' => 'NUMBER CHECK (value > 5.6)',
+                    'oci' => 'NUMBER(12,4) CHECK (value > 5.6)',
                     'sqlsrv' => 'decimal(12,4) CHECK (value > 5.6)',
                 ],
             ],
@@ -248,7 +248,7 @@ public function getColumnTypes(): array
                     'mysql' => 'decimal(12,4)',
                     'pgsql' => 'numeric(12,4)',
                     'sqlite' => 'decimal(12,4)',
-                    'oci' => 'NUMBER',
+                    'oci' => 'NUMBER(12,4)',
                     'sqlsrv' => 'decimal(12,4)',
                 ],
             ],
@@ -258,7 +258,7 @@ public function getColumnTypes(): array
                     'mysql' => 'decimal(10,0)',
                     'pgsql' => 'numeric(10,0)',
                     'sqlite' => 'decimal(10,0)',
-                    'oci' => 'NUMBER',
+                    'oci' => 'NUMBER(10,0)',
                     'sqlsrv' => 'decimal(18,0)',
                 ],
             ],
@@ -268,7 +268,7 @@ public function getColumnTypes(): array
                     'mysql' => 'double CHECK (value > 5.6)',
                     'pgsql' => 'double precision CHECK (value > 5.6)',
                     'sqlite' => 'double CHECK (value > 5.6)',
-                    'oci' => 'NUMBER CHECK (value > 5.6)',
+                    'oci' => 'BINARY_DOUBLE CHECK (value > 5.6)',
                     'sqlsrv' => 'float CHECK (value > 5.6)',
                 ],
             ],
@@ -278,7 +278,7 @@ public function getColumnTypes(): array
                     'mysql' => 'double NOT NULL',
                     'pgsql' => 'double precision NOT NULL',
                     'sqlite' => 'double NOT NULL',
-                    'oci' => 'NUMBER NOT NULL',
+                    'oci' => 'BINARY_DOUBLE NOT NULL',
                     'sqlsrv' => 'float NOT NULL',
                 ],
             ],
@@ -288,7 +288,7 @@ public function getColumnTypes(): array
                     'mysql' => 'double CHECK (value > 5.6)',
                     'pgsql' => 'double precision CHECK (value > 5.6)',
                     'sqlite' => 'double CHECK (value > 5.6)',
-                    'oci' => 'NUMBER CHECK (value > 5.6)',
+                    'oci' => 'BINARY_DOUBLE CHECK (value > 5.6)',
                     'sqlsrv' => 'float CHECK (value > 5.6)',
                 ],
             ],
@@ -297,7 +297,7 @@ public function getColumnTypes(): array
                 [
                     'mysql' => 'double',
                     'sqlite' => 'double',
-                    'oci' => 'NUMBER',
+                    'oci' => 'BINARY_DOUBLE',
                     'sqlsrv' => 'float',
                 ],
             ],
@@ -307,7 +307,7 @@ public function getColumnTypes(): array
                     'mysql' => 'double',
                     'pgsql' => 'double precision',
                     'sqlite' => 'double',
-                    'oci' => 'NUMBER',
+                    'oci' => 'BINARY_DOUBLE',
                     'sqlsrv' => 'float',
                 ],
             ],
@@ -317,7 +317,7 @@ public function getColumnTypes(): array
                     'mysql' => 'float CHECK (value > 5.6)',
                     'pgsql' => 'double precision CHECK (value > 5.6)',
                     'sqlite' => 'float CHECK (value > 5.6)',
-                    'oci' => 'NUMBER CHECK (value > 5.6)',
+                    'oci' => 'BINARY_FLOAT CHECK (value > 5.6)',
                     'sqlsrv' => 'float CHECK (value > 5.6)',
                 ],
             ],
@@ -327,7 +327,7 @@ public function getColumnTypes(): array
                     'mysql' => 'float NOT NULL',
                     'pgsql' => 'double precision NOT NULL',
                     'sqlite' => 'float NOT NULL',
-                    'oci' => 'NUMBER NOT NULL',
+                    'oci' => 'BINARY_FLOAT NOT NULL',
                     'sqlsrv' => 'float NOT NULL',
                 ],
             ],
@@ -337,7 +337,7 @@ public function getColumnTypes(): array
                     'mysql' => 'float CHECK (value > 5.6)',
                     'pgsql' => 'double precision CHECK (value > 5.6)',
                     'sqlite' => 'float CHECK (value > 5.6)',
-                    'oci' => 'NUMBER CHECK (value > 5.6)',
+                    'oci' => 'BINARY_FLOAT CHECK (value > 5.6)',
                     'sqlsrv' => 'float CHECK (value > 5.6)',
                 ],
             ],
@@ -346,7 +346,7 @@ public function getColumnTypes(): array
                 [
                     'mysql' => 'float',
                     'sqlite' => 'float',
-                    'oci' => 'NUMBER',
+                    'oci' => 'BINARY_FLOAT',
                     'sqlsrv' => 'float',
                 ],
             ],
@@ -356,7 +356,7 @@ public function getColumnTypes(): array
                     'mysql' => 'float',
                     'pgsql' => 'double precision',
                     'sqlite' => 'float',
-                    'oci' => 'NUMBER',
+                    'oci' => 'BINARY_FLOAT',
                     'sqlsrv' => 'float',
                 ],
             ],
@@ -648,7 +648,7 @@ public function getColumnTypes(): array
                     'mysql' => 'time(0) NOT NULL',
                     'pgsql' => 'time(0) NOT NULL',
                     'sqlite' => 'time NOT NULL',
-                    'oci' => 'TIMESTAMP NOT NULL',
+                    'oci' => 'INTERVAL DAY(0) TO SECOND(0) NOT NULL',
                     'sqlsrv' => 'time NOT NULL',
                 ],
             ],
@@ -658,7 +658,7 @@ public function getColumnTypes(): array
                     'mysql' => 'time(0)',
                     'pgsql' => 'time(0)',
                     'sqlite' => 'time',
-                    'oci' => 'TIMESTAMP',
+                    'oci' => 'INTERVAL DAY(0) TO SECOND(0)',
                     'sqlsrv' => 'time',
                 ],
             ],
@@ -668,7 +668,7 @@ public function getColumnTypes(): array
                     'mysql' => 'timestamp(0) NOT NULL',
                     'pgsql' => 'timestamp(0) NOT NULL',
                     'sqlite' => 'timestamp NOT NULL',
-                    'oci' => 'TIMESTAMP NOT NULL',
+                    'oci' => 'TIMESTAMP(0) NOT NULL',
                     'sqlsrv' => 'datetime NOT NULL',
                 ],
             ],
@@ -685,6 +685,7 @@ public function getColumnTypes(): array
                 SchemaInterface::TYPE_TIMESTAMP . '(4)',
                 [
                     'pgsql' => 'timestamp(4)',
+                    'oci' => 'TIMESTAMP(4)',
                 ],
             ],
             '$this->timestamp()' => [
@@ -697,7 +698,7 @@ public function getColumnTypes(): array
                      */
                     'pgsql' => 'timestamp(0)',
                     'sqlite' => 'timestamp',
-                    'oci' => 'TIMESTAMP',
+                    'oci' => 'TIMESTAMP(0)',
                     'sqlsrv' => 'datetime',
                 ],
             ],