diff --git a/src/include/switch_core.h b/src/include/switch_core.h
index b8acb7ff02..491f92bfff 100644
--- a/src/include/switch_core.h
+++ b/src/include/switch_core.h
@@ -1927,14 +1927,14 @@ typedef struct {
 SWITCH_DECLARE(void) switch_cache_db_release_db_handle(switch_cache_db_handle_t **dbh);
 SWITCH_DECLARE(switch_status_t) switch_cache_db_get_db_handle(switch_cache_db_handle_t **dbh, 
 																		const char *db_name, const char *odbc_user, const char *odbc_pass);
-SWITCH_DECLARE(switch_status_t) switch_cache_db_execute_sql(switch_cache_db_handle_t *dbh, char *sql, char **err);
-SWITCH_DECLARE(switch_status_t) switch_cache_db_execute_sql_callback(switch_cache_db_handle_t *dbh, char *sql, 
+SWITCH_DECLARE(switch_status_t) switch_cache_db_execute_sql(switch_cache_db_handle_t *dbh, const char *sql, char **err);
+SWITCH_DECLARE(switch_status_t) switch_cache_db_execute_sql_callback(switch_cache_db_handle_t *dbh, const char *sql, 
 																	 switch_core_db_callback_func_t callback, void *pdata, char **err);
 
 SWITCH_DECLARE(switch_status_t)switch_core_db_handle(switch_cache_db_handle_t **dbh);
-SWITCH_DECLARE(void) switch_cache_db_test_reactive(switch_cache_db_handle_t *db, char *test_sql, char *drop_sql, char *reactive_sql);
-SWITCH_DECLARE(switch_status_t) switch_cache_db_persistant_execute(switch_cache_db_handle_t *dbh, char *sql, uint32_t retries);
-SWITCH_DECLARE(switch_status_t) switch_cache_db_persistant_execute_trans(switch_cache_db_handle_t *dbh, char *sql, uint32_t retries);
+SWITCH_DECLARE(void) switch_cache_db_test_reactive(switch_cache_db_handle_t *db, const char *test_sql, const char *drop_sql, const char *reactive_sql);
+SWITCH_DECLARE(switch_status_t) switch_cache_db_persistant_execute(switch_cache_db_handle_t *dbh, const char *sql, uint32_t retries);
+SWITCH_DECLARE(switch_status_t) switch_cache_db_persistant_execute_trans(switch_cache_db_handle_t *dbh, const char *sql, uint32_t retries);
 
 SWITCH_END_EXTERN_C
 #endif
diff --git a/src/include/switch_odbc.h b/src/include/switch_odbc.h
index 8771366db9..7602b9c8d0 100644
--- a/src/include/switch_odbc.h
+++ b/src/include/switch_odbc.h
@@ -56,9 +56,9 @@ SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_disconnect(switch_odbc_h
 SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_connect(switch_odbc_handle_t *handle);
 SWITCH_DECLARE(void) switch_odbc_handle_destroy(switch_odbc_handle_t **handlep);
 SWITCH_DECLARE(switch_odbc_state_t) switch_odbc_handle_get_state(switch_odbc_handle_t *handle);
-SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_exec(switch_odbc_handle_t *handle, char *sql, switch_odbc_statement_handle_t * rstmt);
+SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_exec(switch_odbc_handle_t *handle, const char *sql, switch_odbc_statement_handle_t * rstmt);
 SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_exec_string(switch_odbc_handle_t *handle,
-																	char *sql,
+																	const char *sql,
 																	char *resbuf,
 																	size_t len);
 SWITCH_DECLARE(switch_bool_t) switch_odbc_available(void);
@@ -77,7 +77,7 @@ SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_statement_handle_free(switch_od
   \note none
 */
 SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_callback_exec_detailed(const char *file, const char *func, int line, switch_odbc_handle_t *handle,
-																			   char *sql, switch_core_db_callback_func_t callback, void *pdata, char **err);
+																			   const char *sql, switch_core_db_callback_func_t callback, void *pdata, char **err);
 /*!
   \brief Execute the sql query and issue a callback for each row returned
   \param handle the ODBC handle
diff --git a/src/switch_core_sqldb.c b/src/switch_core_sqldb.c
index 6ddd89af41..7e5d7dce96 100644
--- a/src/switch_core_sqldb.c
+++ b/src/switch_core_sqldb.c
@@ -171,7 +171,7 @@ SWITCH_DECLARE(switch_status_t)switch_cache_db_get_db_handle(switch_cache_db_han
 
 
 
-SWITCH_DECLARE(switch_status_t) switch_cache_db_execute_sql(switch_cache_db_handle_t *dbh, char *sql, char **err)
+SWITCH_DECLARE(switch_status_t) switch_cache_db_execute_sql(switch_cache_db_handle_t *dbh, const char *sql, char **err)
 {
 	switch_status_t status = SWITCH_STATUS_FALSE;
 	char *errmsg = NULL;
@@ -203,7 +203,7 @@ SWITCH_DECLARE(switch_status_t) switch_cache_db_execute_sql(switch_cache_db_hand
 
 }
 
-SWITCH_DECLARE(switch_status_t) switch_cache_db_persistant_execute(switch_cache_db_handle_t *dbh, char *sql, uint32_t retries)
+SWITCH_DECLARE(switch_status_t) switch_cache_db_persistant_execute(switch_cache_db_handle_t *dbh, const char *sql, uint32_t retries)
 {
 	char *errmsg = NULL;
 	switch_status_t status = SWITCH_STATUS_FALSE;
@@ -234,7 +234,7 @@ SWITCH_DECLARE(switch_status_t) switch_cache_db_persistant_execute(switch_cache_
 	return status;
 }
 
-SWITCH_DECLARE(switch_status_t) switch_cache_db_persistant_execute_trans(switch_cache_db_handle_t *dbh, char *sql, uint32_t retries)
+SWITCH_DECLARE(switch_status_t) switch_cache_db_persistant_execute_trans(switch_cache_db_handle_t *dbh, const char *sql, uint32_t retries)
 {
 	char *errmsg = NULL;
 	switch_status_t status = SWITCH_STATUS_FALSE;
@@ -306,7 +306,7 @@ done:
 }
 
 SWITCH_DECLARE(switch_status_t) switch_cache_db_execute_sql_callback(switch_cache_db_handle_t *dbh, 
-																	 char *sql, switch_core_db_callback_func_t callback, void *pdata, char **err)
+																	 const char *sql, switch_core_db_callback_func_t callback, void *pdata, char **err)
 	
 {
 	switch_status_t status = SWITCH_STATUS_FALSE;
@@ -328,7 +328,7 @@ SWITCH_DECLARE(switch_status_t) switch_cache_db_execute_sql_callback(switch_cach
 	return status;
 }
 
-SWITCH_DECLARE(void) switch_cache_db_test_reactive(switch_cache_db_handle_t *dbh, char *test_sql, char *drop_sql, char *reactive_sql)
+SWITCH_DECLARE(void) switch_cache_db_test_reactive(switch_cache_db_handle_t *dbh, const char *test_sql, const char *drop_sql, const char *reactive_sql)
 {
 	char *errmsg;
 
diff --git a/src/switch_odbc.c b/src/switch_odbc.c
index 86d7f40544..bccf94a89f 100644
--- a/src/switch_odbc.c
+++ b/src/switch_odbc.c
@@ -342,7 +342,7 @@ SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_connect(switch_odbc_hand
 }
 
 SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_exec_string(switch_odbc_handle_t *handle,
-																	char *sql,
+																	const char *sql,
 																	char *resbuf,
 																	size_t len)
 {
@@ -380,7 +380,7 @@ SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_exec_string(switch_odbc_
 #endif
 }
 
-SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_exec(switch_odbc_handle_t *handle, char *sql, switch_odbc_statement_handle_t * rstmt)
+SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_exec(switch_odbc_handle_t *handle, const char *sql, switch_odbc_statement_handle_t * rstmt)
 {
 #ifdef SWITCH_HAVE_ODBC
 	SQLHSTMT stmt = NULL;
@@ -424,7 +424,7 @@ SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_exec(switch_odbc_handle_
 
 SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_callback_exec_detailed(const char *file, const char *func, int line,
 																			   switch_odbc_handle_t *handle,
-																			   char *sql, switch_core_db_callback_func_t callback, void *pdata, char **err)
+																			   const char *sql, switch_core_db_callback_func_t callback, void *pdata, char **err)
 {
 #ifdef SWITCH_HAVE_ODBC
 	SQLHSTMT stmt = NULL;