diff --git a/mysql-test/suite/compat/oracle/r/sp-param.result b/mysql-test/suite/compat/oracle/r/sp-param.result
index c72b3716735b5..c839b81c7bac9 100644
--- a/mysql-test/suite/compat/oracle/r/sp-param.result
+++ b/mysql-test/suite/compat/oracle/r/sp-param.result
@@ -423,3 +423,107 @@ ERROR 22001: Data too long for column 'pin' at row 0
 DROP PROCEDURE p2;
 DROP FUNCTION f1;
 ALTER DATABASE test CHARACTER SET utf8mb4 COLLATE utf8mb4_uca1400_ai_ci;
+# 
+# MDEV-34316 sql_mode=ORACLE: Ignore the NOCOPY keyword in stored routine parameters
+# 
+SET sql_mode=ORACLE;
+# 
+# sql_mode=ORACLE. Test with function
+# 
+CREATE OR REPLACE FUNCTION example_func(
+p_in1 IN VARCHAR(255),
+p_in2 IN NOCOPY VARCHAR(255),
+p_out1 OUT INT,
+p_out2 OUT NOCOPY INT,
+p_in_out1 IN OUT VARCHAR(255),
+p_in_out2 IN OUT NOCOPY VARCHAR(255),
+p_in_out3 INOUT NUMBER,
+p_in_out4 INOUT NOCOPY NUMBER) RETURN NUMBER AS
+BEGIN
+RETURN 0;
+END;
+/
+DROP FUNCTION example_func;
+# 
+# sql_mode=ORACLE. Test with procedure
+# 
+CREATE OR REPLACE PROCEDURE example_proc(
+p_in1 IN VARCHAR(255),
+p_in2 IN NOCOPY VARCHAR(255),
+p_out1 OUT INT,
+p_out2 OUT NOCOPY INT,
+p_in_out1 IN OUT VARCHAR(255),
+p_in_out2 IN OUT NOCOPY VARCHAR(255),
+p_in_out3 INOUT NUMBER,
+p_in_out4 INOUT NOCOPY NUMBER) AS
+BEGIN
+END;
+/
+DROP PROCEDURE example_proc;
+SET sql_mode=DEFAULT;
+# 
+# sql_mode=DEFAULT to perform the negative test case. Test with function, IN NOCOPY
+# 
+CREATE OR REPLACE FUNCTION example_func(IN NOCOPY p_in INT) RETURNS INT
+BEGIN
+RETURN 0;
+END;
+$$
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NOCOPY p_in INT) RETURNS INT
+BEGIN
+RETURN 0;
+END' at line 1
+# 
+# sql_mode=DEFAULT to perform the negative test case. Test with function, OUT NOCOPY
+# 
+CREATE OR REPLACE FUNCTION example_func(OUT NOCOPY p_out INT) RETURNS INT
+BEGIN
+RETURN 0;
+END;
+$$
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NOCOPY p_out INT) RETURNS INT
+BEGIN
+RETURN 0;
+END' at line 1
+# 
+# sql_mode=DEFAULT to perform the negative test case. Test with function, INOUT NOCOPY
+# 
+CREATE OR REPLACE FUNCTION example_func(INOUT NOCOPY p_inout INT) RETURNS INT
+BEGIN
+RETURN 0;
+END;
+$$
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NOCOPY p_inout INT) RETURNS INT
+BEGIN
+RETURN 0;
+END' at line 1
+# 
+# sql_mode=DEFAULT to perform the negative test case. Test with procedure, IN NOCOPY
+# 
+CREATE OR REPLACE PROCEDURE example_proc(IN NOCOPY p_in INT)
+BEGIN
+END;
+$$
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NOCOPY p_in INT)
+BEGIN
+END' at line 1
+# 
+# sql_mode=DEFAULT to perform the negative test case. Test with procedure, OUT NOCOPY
+# 
+CREATE OR REPLACE PROCEDURE example_proc(OUT NOCOPY p_out INT)
+BEGIN
+END;
+$$
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NOCOPY p_out INT)
+BEGIN
+END' at line 1
+# 
+# sql_mode=DEFAULT to perform the negative test case. Test with procedure, INOUT NOCOPY
+# 
+CREATE OR REPLACE PROCEDURE example_proc(INOUT NOCOPY p_inout INT)
+BEGIN
+END;
+$$
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NOCOPY p_inout INT)
+BEGIN
+END' at line 1
diff --git a/mysql-test/suite/compat/oracle/t/sp-param.test b/mysql-test/suite/compat/oracle/t/sp-param.test
index b8931b6ea925d..a4fa6e3d96c32 100644
--- a/mysql-test/suite/compat/oracle/t/sp-param.test
+++ b/mysql-test/suite/compat/oracle/t/sp-param.test
@@ -365,3 +365,124 @@ DROP PROCEDURE p2;
 DROP FUNCTION f1;
 
 --source include/test_db_charset_restore.inc
+
+--echo # 
+--echo # MDEV-34316 sql_mode=ORACLE: Ignore the NOCOPY keyword in stored routine parameters
+--echo # 
+
+SET sql_mode=ORACLE;
+
+--echo # 
+--echo # sql_mode=ORACLE. Test with function
+--echo # 
+
+DELIMITER /;
+
+CREATE OR REPLACE FUNCTION example_func(
+  p_in1 IN VARCHAR(255),
+  p_in2 IN NOCOPY VARCHAR(255),
+  p_out1 OUT INT,
+  p_out2 OUT NOCOPY INT,
+  p_in_out1 IN OUT VARCHAR(255),
+  p_in_out2 IN OUT NOCOPY VARCHAR(255),
+  p_in_out3 INOUT NUMBER,
+  p_in_out4 INOUT NOCOPY NUMBER) RETURN NUMBER AS
+BEGIN
+  RETURN 0;
+END;
+/
+
+DELIMITER ;/
+
+DROP FUNCTION example_func;
+
+--echo # 
+--echo # sql_mode=ORACLE. Test with procedure
+--echo # 
+
+DELIMITER /;
+
+CREATE OR REPLACE PROCEDURE example_proc(
+  p_in1 IN VARCHAR(255),
+  p_in2 IN NOCOPY VARCHAR(255),
+  p_out1 OUT INT,
+  p_out2 OUT NOCOPY INT,
+  p_in_out1 IN OUT VARCHAR(255),
+  p_in_out2 IN OUT NOCOPY VARCHAR(255),
+  p_in_out3 INOUT NUMBER,
+  p_in_out4 INOUT NOCOPY NUMBER) AS
+BEGIN
+END;
+/
+
+DELIMITER ;/
+
+DROP PROCEDURE example_proc;
+
+SET sql_mode=DEFAULT;
+DELIMITER $$;
+
+--echo # 
+--echo # sql_mode=DEFAULT to perform the negative test case. Test with function, IN NOCOPY
+--echo # 
+
+--error ER_PARSE_ERROR
+CREATE OR REPLACE FUNCTION example_func(IN NOCOPY p_in INT) RETURNS INT
+BEGIN
+  RETURN 0;
+END;
+$$
+
+--echo # 
+--echo # sql_mode=DEFAULT to perform the negative test case. Test with function, OUT NOCOPY
+--echo # 
+
+--error ER_PARSE_ERROR
+CREATE OR REPLACE FUNCTION example_func(OUT NOCOPY p_out INT) RETURNS INT
+BEGIN
+  RETURN 0;
+END;
+$$
+
+--echo # 
+--echo # sql_mode=DEFAULT to perform the negative test case. Test with function, INOUT NOCOPY
+--echo # 
+
+--error ER_PARSE_ERROR
+CREATE OR REPLACE FUNCTION example_func(INOUT NOCOPY p_inout INT) RETURNS INT
+BEGIN
+  RETURN 0;
+END;
+$$
+
+--echo # 
+--echo # sql_mode=DEFAULT to perform the negative test case. Test with procedure, IN NOCOPY
+--echo # 
+
+--error ER_PARSE_ERROR
+CREATE OR REPLACE PROCEDURE example_proc(IN NOCOPY p_in INT)
+BEGIN
+END;
+$$
+
+--echo # 
+--echo # sql_mode=DEFAULT to perform the negative test case. Test with procedure, OUT NOCOPY
+--echo # 
+
+--error ER_PARSE_ERROR
+CREATE OR REPLACE PROCEDURE example_proc(OUT NOCOPY p_out INT)
+BEGIN
+END;
+$$
+
+--echo # 
+--echo # sql_mode=DEFAULT to perform the negative test case. Test with procedure, INOUT NOCOPY
+--echo # 
+
+--error ER_PARSE_ERROR
+CREATE OR REPLACE PROCEDURE example_proc(INOUT NOCOPY p_inout INT)
+BEGIN
+END;
+$$
+
+DELIMITER ;$$
diff --git a/sql/lex.h b/sql/lex.h
index 3cf4db19f0772..3883b72ba54d7 100644
--- a/sql/lex.h
+++ b/sql/lex.h
@@ -432,6 +432,7 @@ SYMBOL symbols[] = {
   { "NEXT",		SYM(NEXT_SYM)},
   { "NEXTVAL",		SYM(NEXTVAL_SYM)},
   { "NO",		SYM(NO_SYM)},
+  { "NOCOPY",		SYM(NOCOPY_SYM)},
   { "NOMAXVALUE",	SYM(NOMAXVALUE_SYM)},
   { "NOMINVALUE",	SYM(NOMINVALUE_SYM)},
   { "NOCACHE",          SYM(NOCACHE_SYM)},
diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy
index 957f5f1330742..5073730dd0e0d 100644
--- a/sql/sql_yacc.yy
+++ b/sql/sql_yacc.yy
@@ -332,6 +332,7 @@ void _CONCAT_UNDERSCORED(turn_parser_debug_on,yyparse)()
   enum vers_kind_t vers_range_unit;
   enum Column_definition::enum_column_versioning vers_column_versioning;
   enum plsql_cursor_attr_t plsql_cursor_attr;
+  enum Alter_info::enum_alter_table_algorithm alter_table_algo_val;
   privilege_t privilege;
   struct
   {
@@ -727,6 +728,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
 %token  <kwd>  ELSIF_MARIADB_SYM             // PLSQL-R
 %token  <kwd>  EXCEPTION_ORACLE_SYM          // SQL-2003-N, PLSQL-R
 %token  <kwd>  GOTO_MARIADB_SYM              // Oracle-R
+%token  <kwd>  NOCOPY_SYM
 %token  <kwd>  OTHERS_MARIADB_SYM            // SQL-2011-N, PLSQL-R
 %token  <kwd>  PACKAGE_MARIADB_SYM           // Oracle-R
 %token  <kwd>  RAISE_MARIADB_SYM             // PLSQL-R
@@ -1465,6 +1467,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
         opt_recursive opt_format_xid opt_for_portion_of_time_clause
         ignorability
 
+%type <alter_table_algo_val> alter_algorithm_option_is_kwd
+
 %type <object_ddl_options>
         create_or_replace
         opt_if_not_exists
@@ -7939,11 +7943,15 @@ opt_index_lock_algorithm:
         | alter_algorithm_option alter_lock_option
         ;
 
+alter_algorithm_option_is_kwd:
+           DEFAULT    { $$ = Alter_info::ALTER_TABLE_ALGORITHM_DEFAULT; }
+        |  NOCOPY_SYM { $$ = Alter_info::ALTER_TABLE_ALGORITHM_NOCOPY; }
+        ;
+
 alter_algorithm_option:
-          ALGORITHM_SYM opt_equal DEFAULT
+          ALGORITHM_SYM opt_equal alter_algorithm_option_is_kwd
           {
-            Lex->alter_info.set_requested_algorithm(
-              Alter_info::ALTER_TABLE_ALGORITHM_DEFAULT);
+            Lex->alter_info.set_requested_algorithm($3);
           }
         | ALGORITHM_SYM opt_equal ident
           {
@@ -19048,6 +19056,11 @@ sp_opt_default:
           }
         ;
 
+sp_opt_nocopy:
+          _empty
+        | NOCOPY_SYM
+        ;
+
 sp_opt_inout:
           _empty         { $$= sp_variable::MODE_IN; }
         | sp_parameter_type
@@ -19461,7 +19474,7 @@ sp_decl_variable_list_anchored:
         ;
 
 sp_param_name_and_mode:
-          sp_param_name sp_opt_inout
+          sp_param_name sp_opt_inout sp_opt_nocopy
           {
              $1->mode= $2;
              $$= $1;