diff --git a/gpMgmt/bin/gppylib/utils.py b/gpMgmt/bin/gppylib/utils.py
index fead818d3ac..1adb1e68cdc 100644
--- a/gpMgmt/bin/gppylib/utils.py
+++ b/gpMgmt/bin/gppylib/utils.py
@@ -290,7 +290,7 @@ def deleteBlock(fileName,beginPattern, endPattern):
             print(("IOERROR", IOError))
             sys.exit()
     else:
-        print("***********%s  file does not exits"%(fileName))
+        print("***********%s  file does not exist"%(fileName))
 
 def make_inf_hosts(hp, hstart, hend, istart, iend, hf=None):
     hfArr = []
diff --git a/src/backend/access/appendonly/appendonlyblockdirectory.c b/src/backend/access/appendonly/appendonlyblockdirectory.c
index 2f9a9f4522a..1e3e3cb4c0b 100644
--- a/src/backend/access/appendonly/appendonlyblockdirectory.c
+++ b/src/backend/access/appendonly/appendonlyblockdirectory.c
@@ -1285,7 +1285,7 @@ load_last_minipage(AppendOnlyBlockDirectory *blockDirectory,
  * find_minipage_entry
  *
  * Find the minipage entry that covers the given rowNum.
- * If such an entry does not exists, -1 is returned. Otherwise
+ * If such an entry does not exist, -1 is returned. Otherwise
  * the index to such an entry in the minipage array is returned.
  */
 static int
diff --git a/src/backend/gporca/server/include/unittest/gpopt/operators/CExpressionPreprocessorTest.h b/src/backend/gporca/server/include/unittest/gpopt/operators/CExpressionPreprocessorTest.h
index c87830560dc..462a656f9bc 100644
--- a/src/backend/gporca/server/include/unittest/gpopt/operators/CExpressionPreprocessorTest.h
+++ b/src/backend/gporca/server/include/unittest/gpopt/operators/CExpressionPreprocessorTest.h
@@ -59,7 +59,7 @@ class CExpressionPreprocessorTest
 	// check if a given expression has a subquery exists node
 	static BOOL FHasSubqueryExists(CExpression *pexpr);
 
-	// check if a given expression has a subquery not exitst node
+	// check if a given expression has a subquery not exists node
 	static BOOL FHasSubqueryNotExists(CExpression *pexpr);
 
 	// check if a given expression has an ALL subquery
diff --git a/src/backend/utils/misc/guc_gp.c b/src/backend/utils/misc/guc_gp.c
index 891044157b9..4eb88be4220 100644
--- a/src/backend/utils/misc/guc_gp.c
+++ b/src/backend/utils/misc/guc_gp.c
@@ -5522,7 +5522,7 @@ check_hot_dr(bool *newval, void **extra, GucSource source)
 	if (*newval && IS_QUERY_DISPATCHER() && !checkGpSegConfigFtsFiles())
 		ereport(ERROR,
 				(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
-				 errmsg("cannot enable \"hot_dr\" since DR cluster segment configuration file does not exits")));
+				 errmsg("cannot enable \"hot_dr\" since DR cluster segment configuration file does not exist")));
 
 	return true;
 }
diff --git a/src/test/regress/expected/tpcds_q04.out b/src/test/regress/expected/tpcds_q04.out
index 2bdcd377f85..be34e94a761 100644
--- a/src/test/regress/expected/tpcds_q04.out
+++ b/src/test/regress/expected/tpcds_q04.out
@@ -20,10 +20,7 @@ SET default_table_access_method = ao_column;
 --
 -- Name: catalog_sales; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.catalog_sales;
-ERROR:  syntax error at or near "EXITS"
-LINE 1: DROP TABLE IF EXITS cte_bug.catalog_sales;
-                      ^
+DROP TABLE IF EXISTS cte_bug.catalog_sales;
 CREATE TABLE cte_bug.catalog_sales (
     cs_sold_date_sk integer,
     cs_sold_time_sk integer,
@@ -98,10 +95,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 --
 -- Name: customer; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.customer;
-ERROR:  syntax error at or near "EXITS"
-LINE 1: DROP TABLE IF EXITS cte_bug.customer;
-                      ^
+DROP TABLE IF EXISTS cte_bug.customer;
 CREATE TABLE cte_bug.customer (
     c_customer_sk integer NOT NULL,
     c_customer_id character varying(16) NOT NULL,
@@ -144,10 +138,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 --
 -- Name: date_dim; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.date_dim;
-ERROR:  syntax error at or near "EXITS"
-LINE 1: DROP TABLE IF EXITS cte_bug.date_dim;
-                      ^
+DROP TABLE IF EXISTS cte_bug.date_dim;
 CREATE TABLE cte_bug.date_dim (
     d_date_sk integer NOT NULL,
     d_date_id character varying(16) NOT NULL,
@@ -210,10 +201,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 --
 -- Name: store_sales; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.store_sales;
-ERROR:  syntax error at or near "EXITS"
-LINE 1: DROP TABLE IF EXITS cte_bug.store_sales;
-                      ^
+DROP TABLE IF EXISTS cte_bug.store_sales;
 CREATE TABLE cte_bug.store_sales (
     ss_sold_date_sk integer,
     ss_sold_time_sk integer,
@@ -266,10 +254,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 --
 -- Name: web_sales; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.web_sales;
-ERROR:  syntax error at or near "EXITS"
-LINE 1: DROP TABLE IF EXITS cte_bug.web_sales;
-                      ^
+DROP TABLE IF EXISTS cte_bug.web_sales;
 CREATE TABLE cte_bug.web_sales (
     ws_sold_date_sk integer,
     ws_sold_time_sk integer,
diff --git a/src/test/regress/expected/tpcds_q04_optimizer.out b/src/test/regress/expected/tpcds_q04_optimizer.out
index d0d3b7688ef..15208a03b56 100644
--- a/src/test/regress/expected/tpcds_q04_optimizer.out
+++ b/src/test/regress/expected/tpcds_q04_optimizer.out
@@ -20,10 +20,7 @@ SET default_table_access_method = ao_column;
 --
 -- Name: catalog_sales; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.catalog_sales;
-ERROR:  syntax error at or near "EXITS"
-LINE 1: DROP TABLE IF EXITS cte_bug.catalog_sales;
-                      ^
+DROP TABLE IF EXISTS cte_bug.catalog_sales;
 CREATE TABLE cte_bug.catalog_sales (
     cs_sold_date_sk integer,
     cs_sold_time_sk integer,
@@ -98,10 +95,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 --
 -- Name: customer; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.customer;
-ERROR:  syntax error at or near "EXITS"
-LINE 1: DROP TABLE IF EXITS cte_bug.customer;
-                      ^
+DROP TABLE IF EXISTS cte_bug.customer;
 CREATE TABLE cte_bug.customer (
     c_customer_sk integer NOT NULL,
     c_customer_id character varying(16) NOT NULL,
@@ -144,10 +138,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 --
 -- Name: date_dim; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.date_dim;
-ERROR:  syntax error at or near "EXITS"
-LINE 1: DROP TABLE IF EXITS cte_bug.date_dim;
-                      ^
+DROP TABLE IF EXISTS cte_bug.date_dim;
 CREATE TABLE cte_bug.date_dim (
     d_date_sk integer NOT NULL,
     d_date_id character varying(16) NOT NULL,
@@ -210,10 +201,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 --
 -- Name: store_sales; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.store_sales;
-ERROR:  syntax error at or near "EXITS"
-LINE 1: DROP TABLE IF EXITS cte_bug.store_sales;
-                      ^
+DROP TABLE IF EXISTS cte_bug.store_sales;
 CREATE TABLE cte_bug.store_sales (
     ss_sold_date_sk integer,
     ss_sold_time_sk integer,
@@ -266,10 +254,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 --
 -- Name: web_sales; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.web_sales;
-ERROR:  syntax error at or near "EXITS"
-LINE 1: DROP TABLE IF EXITS cte_bug.web_sales;
-                      ^
+DROP TABLE IF EXISTS cte_bug.web_sales;
 CREATE TABLE cte_bug.web_sales (
     ws_sold_date_sk integer,
     ws_sold_time_sk integer,
diff --git a/src/test/regress/sql/tpcds_q04.sql b/src/test/regress/sql/tpcds_q04.sql
index eaa50502e81..ea427b30076 100644
--- a/src/test/regress/sql/tpcds_q04.sql
+++ b/src/test/regress/sql/tpcds_q04.sql
@@ -19,7 +19,7 @@ SET default_table_access_method = ao_column;
 --
 -- Name: catalog_sales; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.catalog_sales;
+DROP TABLE IF EXISTS cte_bug.catalog_sales;
 
 CREATE TABLE cte_bug.catalog_sales (
     cs_sold_date_sk integer,
@@ -98,7 +98,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 -- Name: customer; Type: TABLE; Schema: cte_bug; Owner: -
 --
 
-DROP TABLE IF EXITS cte_bug.customer;
+DROP TABLE IF EXISTS cte_bug.customer;
 
 CREATE TABLE cte_bug.customer (
     c_customer_sk integer NOT NULL,
@@ -144,7 +144,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 --
 -- Name: date_dim; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.date_dim;
+DROP TABLE IF EXISTS cte_bug.date_dim;
 
 CREATE TABLE cte_bug.date_dim (
     d_date_sk integer NOT NULL,
@@ -210,7 +210,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 --
 -- Name: store_sales; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.store_sales;
+DROP TABLE IF EXISTS cte_bug.store_sales;
 
 CREATE TABLE cte_bug.store_sales (
     ss_sold_date_sk integer,
@@ -266,7 +266,7 @@ WITH (appendonly = true, orientation = column, compresstype=zstd, compresslevel=
 --
 -- Name: web_sales; Type: TABLE; Schema: cte_bug; Owner: -
 --
-DROP TABLE IF EXITS cte_bug.web_sales;
+DROP TABLE IF EXISTS cte_bug.web_sales;
 
 CREATE TABLE cte_bug.web_sales (
     ws_sold_date_sk integer,