diff --git a/src/utils/sharedUtils.js b/src/utils/sharedUtils.js
index 54d1496..b79a742 100644
--- a/src/utils/sharedUtils.js
+++ b/src/utils/sharedUtils.js
@@ -11,9 +11,9 @@ const VARIABLE_REGEX = /^[a-zA-Z_]\w*$/; // vars of form aA4_f allowed
 export function getColumNameForJsonField(jsonField) {
     // ignoring sonar security error as md5 function is not used for security
     // Md5 function is used here to increase the length of jsonfield to more than 64 characters
-    return crypto.createHash('md5').update(jsonField).digest('hex'); //NOSONAR
+    const hash = crypto.createHash('md5').update(jsonField).digest('hex'); //NOSONAR
+    return "col_" + hash;
 }
-
 export function isAlphaNumChar(char) {
     char = char.charCodeAt(0);
     if (!(char > 47 && char < 58) && // numeric (0-9)
@@ -69,4 +69,4 @@ export function isNestedVariableNameLike(nameToTest) {
         }
     }
     return true;
-}
\ No newline at end of file
+}
diff --git a/test/unit/utils/db-test.spec.js b/test/unit/utils/db-test.spec.js
index af0e6ba..76c6ae3 100644
--- a/test/unit/utils/db-test.spec.js
+++ b/test/unit/utils/db-test.spec.js
@@ -928,7 +928,7 @@ describe('Unit tests for db.js', function () {
             const tableName = 'test.hello';
             await deleteDocuments(tableName, "$.x<10 AND $.hotel.name='oyo'", ['hotel.name']);
             expect(savedSql).to.eql("DELETE FROM test.hello WHERE document->>\"$.x\"<10" +
-                " AND b978c733175ca5d9503b1cc095eece1f='oyo';");
+                " AND col_b978c733175ca5d9503b1cc095eece1f='oyo';");
             mockedFunctions.connection.execute = saveExecute;
         });
     });
@@ -2566,7 +2566,7 @@ describe('Unit tests for db.js', function () {
             await _validateQueryPass("$.s<10 && !$.j.k || $.y!='hello'",
                 ["s", "j.k"],
                 "SELECT documentID,document FROM test.customer " +
-                "WHERE 03c7c0ace395d80182db07ae2c30f034<10 && !91e12519d4a93e0ce72a98c42383e747 " +
+                "WHERE col_03c7c0ace395d80182db07ae2c30f034<10 && !col_91e12519d4a93e0ce72a98c42383e747 " +
                 "|| document->>\"$.y\"!='hello' LIMIT 1000");
         });
 
diff --git a/test/unit/utils/query-test.spec.js b/test/unit/utils/query-test.spec.js
index 937ca53..e82dff2 100644
--- a/test/unit/utils/query-test.spec.js
+++ b/test/unit/utils/query-test.spec.js
@@ -269,7 +269,8 @@ describe('Query Utils test', function () {
 
         it('should transformCocoToSQLQuery success cases with index field', function () {
             expect(Query.transformCocoToSQLQuery("$.y>5 || $.x > 10 && $.price.tax = 18", ["x", "price.tax"]))
-                .to.eql('document->>"$.y">5 || 9dd4e461268c8034f5c8564e155c67a6 > 10 && 6a1a731895e201b727851bc567ac1e8a = 18');
+                // eslint-disable-next-line max-len
+                .to.eql('document->>"$.y">5 || col_9dd4e461268c8034f5c8564e155c67a6 > 10 && col_6a1a731895e201b727851bc567ac1e8a = 18');
         });
 
         it('should transformCocoToSQLQuery error cases', function () {