Use uppercase for SQL keywords

Author: cjbj

doc/api.md

@@ -4524,9 +4524,9 @@ is a great way to convert relational table data to JSON:
 
 ```javascript
 conn.execute(
-  "select json_object ('deptId' is d.department_id, 'name' is d.department_name) department "
-  + "from departments d "
-  + "where department_id < :did",
+  "SELECT JSON_OBJECT ('deptId' IS d.department_id, 'name' IS d.department_name) department "
+  + "FROM departments d "
+  + "WHERE department_id < :did",
   [50],
   function(err, result)
   {

examples/lobbinds.js

@@ -61,7 +61,7 @@ var dorelease = function(conn) {
 // Cleanup anything other than lobinsert1.js demonstration data
 var docleanup = function (conn, cb) {
   conn.execute(
-    'delete from mylobs where id > 2',
+    'DELETE FROM mylobs WHERE id > 2',
     function(err) {
       return cb(err, conn);
     });
@@ -316,7 +316,7 @@ var plsql_out_inout = function (conn, cb) {
 var doshowvtemplob = function (conn, cb) {
   console.log('6. Query from V$TEMPORARY_LOBS:');
   conn.execute(
-    "select * from v$temporary_lobs",
+    "SELECT * FROM V$TEMPORARY_LOBS",
     [], { outFormat: oracledb.OBJECT },
     function (err, result) {
       if (err) {

examples/lobinsert1.js

@@ -65,7 +65,7 @@ var dorelease = function(conn) {
 
 var docleanup = function (conn, cb) {
   conn.execute(
-    'delete from mylobs',
+    'DELETE FROM mylobs',
     function(err) {
       return cb(err, conn);
     });

examples/lobinserttemp.js

@@ -57,7 +57,7 @@ var dorelease = function(conn) {
 // Cleanup anything other than lobinsert1.js demo data
 var docleanup = function (conn, cb) {
   conn.execute(
-    'delete from mylobs where id > 2',
+    'DELETE FROM mylobs WHERE id > 2',
     function(err) {
       return cb(err, conn);
     });

examples/lobplsqltemp.js

@@ -57,7 +57,7 @@ var dorelease = function(conn) {
 // Cleanup anything other than lobinsert1.js demo data
 var cleanup = function (conn, cb) {
   conn.execute(
-    'delete from mylobs where id > 2',
+    'DELETE FROM mylobs WHERE id > 2',
     function(err) {
       return cb(err, conn);
     });

examples/selectjson.js

@@ -113,7 +113,7 @@ var dojsonfromrelational = function (conn, cb) {
     return cb(null, conn);
   } else {
     conn.execute(
-      "SELECT JSON_object ('deptId' IS d.department_id, 'name' IS d.department_name) department "
+      "SELECT JSON_OBJECT ('deptId' IS d.department_id, 'name' IS d.department_name) department "
       + "FROM departments d "
       + "WHERE department_id < :did",
       [50],