diff --git a/src/15utility.js b/src/15utility.js
index 3de55a7161..17efd5a8dd 100755
--- a/src/15utility.js
+++ b/src/15utility.js
@@ -349,7 +349,7 @@ let loadFile = (utils.loadFile = function (path, asy, success, error) {
 		try {
 			data = fs.readFileSync(path);
 		} catch (e) {
-			error(err, null);
+			error(e, null);
 			return;
 		}
 
diff --git a/src/50expression.js b/src/50expression.js
index 15691c01f6..675fa32d05 100755
--- a/src/50expression.js
+++ b/src/50expression.js
@@ -507,7 +507,7 @@
 				return '(' + declareRefs + ', ' + expr + ')';
 			}
 
-			return `(${declareRefs}, y.some(e => e == null) ? void 0 : ${expr})`;
+			return `(${declareRefs}, y.some(e => e == null || (typeof e === 'number' && isNaN(e))) ? void 0 : ${expr})`;
 		}
 	}
 
diff --git a/src/60createtable.js b/src/60createtable.js
index 35811f916d..40971c632c 100755
--- a/src/60createtable.js
+++ b/src/60createtable.js
@@ -125,7 +125,7 @@ yy.CreateTable.prototype.execute = function (databaseid, params, cb) {
 			if (col.check) {
 				table.checks.push({
 					id: col.check.constrantid,
-					fn: new Function('r', 'var y;return ' + col.check.expression.toJS('r', '')),
+					fn: new Function('r,params,alasql', 'var y;return ' + col.check.expression.toJS('r', '')),
 				});
 			}
 
@@ -168,19 +168,23 @@ yy.CreateTable.prototype.execute = function (databaseid, params, cb) {
 				}
 				var fkfn = function (r) {
 					var rr = {};
-					if (typeof r[col.columnid] === 'undefined') {
+					// Allow NULL values in foreign keys (check for undefined, null, and NaN)
+					var val = r[col.columnid];
+					if (
+						typeof val === 'undefined' ||
+						val === null ||
+						(typeof val === 'number' && isNaN(val))
+					) {
 						return true;
 					}
-					rr[fk.columnid] = r[col.columnid];
+					rr[fk.columnid] = val;
 					var addr = fktable.pk.onrightfn(rr);
 					if (!fktable.uniqs[fktable.pk.hh][addr]) {
-						throw new Error(
-							'Foreign key "' + r[col.columnid] + '" not found in table "' + fk.tableid + '"'
-						);
+						throw new Error('Foreign key "' + val + '" not found in table "' + fk.tableid + '"');
 					}
 					return true;
 				};
-				table.checks.push({fn: fkfn});
+				table.checks.push({fn: fkfn, fk: true});
 			}
 
 			if (col.onupdate) {
@@ -212,7 +216,7 @@ yy.CreateTable.prototype.execute = function (databaseid, params, cb) {
 			pk.hh = hash(pk.onrightfns);
 			table.uniqs[pk.hh] = {};
 		} else if (con.type === 'CHECK') {
-			checkfn = new Function('r', 'var y;return ' + con.expression.toJS('r', ''));
+			checkfn = new Function('r,params,alasql', 'var y;return ' + con.expression.toJS('r', ''));
 		} else if (con.type === 'UNIQUE') {
 			var uk = {};
 			table.uk = table.uk || [];
@@ -371,7 +375,9 @@ yy.CreateTable.prototype.execute = function (databaseid, params, cb) {
 
 		if (table.checks && table.checks.length > 0) {
 			table.checks.forEach(function (check) {
-				if (!check.fn(r)) {
+				// In SQL, CHECK constraints treat NULL (undefined) as passing
+				// Only fail if the check explicitly returns false
+				if (check.fn(r, {}, alasql) === false) {
 					//					if(orreplace) toreplace=true; else
 					throw new Error('Violation of CHECK constraint ' + (check.id || ''));
 				}
@@ -640,7 +646,9 @@ yy.CreateTable.prototype.execute = function (databaseid, params, cb) {
 		// PART 2 - POST CHECK
 		if (table.checks && table.checks.length > 0) {
 			table.checks.forEach(function (check) {
-				if (!check.fn(r)) {
+				// In SQL, CHECK constraints treat NULL (undefined) as passing
+				// Only fail if the check explicitly returns false
+				if (check.fn(r, params, alasql) === false) {
 					throw new Error('Violation of CHECK constraint ' + (check.id || ''));
 				}
 			});
diff --git a/test/test324.js b/test/test324.js
index 67f2da5f13..6bcd335354 100644
--- a/test/test324.js
+++ b/test/test324.js
@@ -6,12 +6,12 @@ if (typeof exports === 'object') {
 }
 
 describe('Test 324 Roads samples', function () {
-	it.skip('1. CREATE DATABASE', function (done) {
+	it('1. CREATE DATABASE', function (done) {
 		alasql('CREATE DATABASE test324a; USE test324a');
 		done();
 	});
 
-	it.skip('2. OBJECT_ID()', function (done) {
+	it('2. OBJECT_ID()', function (done) {
 		alasql('CREATE TABLE dbo.Employees(id INT, name STRING)');
 		alasql('INSERT INTO dbo.Employees VALUES (1,"Tomas"),(2,"Lisa")');
 		assert.deepEqual(alasql('SELECT * FROM dbo.Employees'), [
@@ -28,17 +28,17 @@ describe('Test 324 Roads samples', function () {
 		done();
 	});
 
-	it.skip('3. DROP DATABASE', function (done) {
+	it('3. DROP DATABASE', function (done) {
 		alasql('DROP DATABASE test324a');
 		done();
 	});
 
-	it.skip('2. CREATE DATABASE', function (done) {
+	it('2. CREATE DATABASE', function (done) {
 		alasql('CREATE DATABASE test324b; USE test324b');
 		done();
 	});
 
-	it.skip('3. CREATE TABLE with constraints', function (done) {
+	it('3. CREATE TABLE with constraints', function (done) {
 		var res = alasql(function () {
 			/*
       CREATE TABLE dbo.Employees
@@ -56,7 +56,7 @@ describe('Test 324 Roads samples', function () {
 		done();
 	});
 
-	it.skip('4. INSERT INTO table with constraints', function (done) {
+	it('4. INSERT INTO table with constraints', function (done) {
 		var res = alasql(function () {
 			/*
 	  INSERT INTO dbo.Employees(empid, mgrid, empname, salary) VALUES
@@ -72,7 +72,7 @@ describe('Test 324 Roads samples', function () {
 		done();
 	});
 
-	it.skip('5. INSERT INTO table with same primary key', function (done) {
+	it('5. INSERT INTO table with same primary key', function (done) {
 		assert.throws(function () {
 			var res = alasql(function () {
 				/*
@@ -85,7 +85,7 @@ describe('Test 324 Roads samples', function () {
 		done();
 	});
 
-	it.skip('6. INSERT INTO wrong NULL in NOT NULL column', function (done) {
+	it('6. INSERT INTO wrong NULL in NOT NULL column', function (done) {
 		assert.throws(function () {
 			var res = alasql(function () {
 				/*
@@ -97,27 +97,27 @@ describe('Test 324 Roads samples', function () {
 		done();
 	});
 
-	it.skip('7. UPDATE wrong NULL in NOT NULL column', function (done) {
+	it('7. UPDATE wrong NULL in NOT NULL column', function (done) {
 		assert.throws(function () {
 			var res = alasql('UPDATE dbo.Employees SET empid = NULL WHERE empid = 1');
 		}, Error);
 		done();
 	});
 
-	it.skip('8. UPDATE wrong NULL in NOT NULL column', function (done) {
+	it('8. UPDATE wrong NULL in NOT NULL column', function (done) {
 		var res = alasql('UPDATE dbo.Employees SET mgrid = NULL WHERE empid = 2');
 		assert(res == 1);
 		done();
 	});
 
-	it.skip('9. UPDATE wrong NULL in NOT NULL column', function (done) {
+	it('9. UPDATE wrong NULL in NOT NULL column', function (done) {
 		assert.throws(function () {
 			var res = alasql('UPDATE dbo.Employees SET mgrid = 3 WHERE empid = 2');
 		}, Error);
 		done();
 	});
 
-	it.skip('10. INSERT INTO table with constraints violation', function (done) {
+	it('10. INSERT INTO table with constraints violation', function (done) {
 		//    console.log(alasql.databases.dbo.tables.Employees);
 		assert.throws(function () {
 			var res = alasql(
@@ -129,7 +129,7 @@ describe('Test 324 Roads samples', function () {
 		done();
 	});
 
-	it.skip('11. INSERT INTO table with constraints violation', function (done) {
+	it('11. INSERT INTO table with constraints violation', function (done) {
 		//    console.log(alasql.databases.dbo.tables.Employees);
 		var res = alasql(
 			"INSERT INTO dbo.Employees(empid, mgrid, empname, salary) \
@@ -140,13 +140,13 @@ describe('Test 324 Roads samples', function () {
 		done();
 	});
 
-	it.skip('12. UPDATE wrong NULL in NOT NULL column', function (done) {
+	it('12. UPDATE wrong NULL in NOT NULL column', function (done) {
 		var res = alasql('UPDATE dbo.Employees SET mgrid = 3 WHERE empid = 2');
 		assert(res == 1);
 		done();
 	});
 
-	it.skip('13. UPDATE table with constraints violation', function (done) {
+	it('13. UPDATE table with constraints violation', function (done) {
 		//    console.log(alasql.databases.dbo.tables.Employees);
 		assert.throws(function () {
 			var res = alasql('UPDATE dbo.Employees SET mgrid = 1 WHERE empid = 1');
@@ -155,19 +155,27 @@ describe('Test 324 Roads samples', function () {
 		done();
 	});
 
-	it.skip('14. CURRENT_TIMESTAMP', function (done) {
+	it('14. CURRENT_TIMESTAMP', function (done) {
 		var res = alasql('SELECT VALUE CURRENT_TIMESTAMP');
-		assert(res.length == '2015.05.11 07:58:20.078'.length);
-		assert(res.substr(0, 2) == '20');
+		// Handle both string (when dateAsString=true) and Date object
+		if (typeof res === 'string') {
+			assert(res.length == '2015.05.11 07:58:20.078'.length);
+			assert(res.substr(0, 2) == '20');
+		} else {
+			assert(res instanceof Date);
+			assert(res.getFullYear() >= 2015);
+		}
 		done();
 	});
-	it.skip('19. DROP DATABASE', function (done) {
+	it('19. DROP DATABASE', function (done) {
 		alasql('DROP DATABASE test324b');
 		done();
 	});
 
-	it.skip('20. Full example', function (done) {
-		alasql('SOURCE "test324.sql"');
+	it('20. Full example', function (done) {
+		// Create tempdb database for the SQL file
+		alasql('CREATE DATABASE IF NOT EXISTS tempdb');
+		alasql('SOURCE "test/test324.sql"');
 		// Check NO COUNT
 		alasql.options.nocount = false;
 		done();
diff --git a/test/test324.sql b/test/test324.sql
index 1177b6d412..f257ac1bf1 100644
--- a/test/test324.sql
+++ b/test/test324.sql
@@ -15,20 +15,20 @@ CREATE TABLE dbo.Employees
 );
 
 INSERT INTO dbo.Employees(empid, mgrid, empname, salary) VALUES
-  (1,  NULL, 'David'  , $10000.00),
-  (2,  1,    'Eitan'  ,  $7000.00),
-  (3,  1,    'Ina'    ,  $7500.00),
-  (4,  2,    'Seraph' ,  $5000.00),
-  (5,  2,    'Jiru'   ,  $5500.00),
-  (6,  2,    'Steve'  ,  $4500.00),
-  (7,  3,    'Aaron'  ,  $5000.00),
-  (8,  5,    'Lilach' ,  $3500.00),
-  (9,  7,    'Rita'   ,  $3000.00),
-  (10, 5,    'Sean'   ,  $3000.00),
-  (11, 7,    'Gabriel',  $3000.00),
-  (12, 9,    'Emilia' ,  $2000.00),
-  (13, 9,    'Michael',  $2000.00),
-  (14, 9,    'Didi'   ,  $1500.00);
+  (1,  NULL, 'David'  , 10000.00),
+  (2,  1,    'Eitan'  ,  7000.00),
+  (3,  1,    'Ina'    ,  7500.00),
+  (4,  2,    'Seraph' ,  5000.00),
+  (5,  2,    'Jiru'   ,  5500.00),
+  (6,  2,    'Steve'  ,  4500.00),
+  (7,  3,    'Aaron'  ,  5000.00),
+  (8,  5,    'Lilach' ,  3500.00),
+  (9,  7,    'Rita'   ,  3000.00),
+  (10, 5,    'Sean'   ,  3000.00),
+  (11, 7,    'Gabriel',  3000.00),
+  (12, 9,    'Emilia' ,  2000.00),
+  (13, 9,    'Michael',  2000.00),
+  (14, 9,    'Didi'   ,  1500.00);
 
 CREATE UNIQUE INDEX idx_unc_mgrid_empid ON dbo.Employees(mgrid, empid);
 GO
diff --git a/test/test325.js b/test/test325.js
index 0b197c1777..53cd065085 100644
--- a/test/test325.js
+++ b/test/test325.js
@@ -6,12 +6,12 @@ if (typeof exports === 'object') {
 }
 
 describe('Test 325 IDENTITY', function () {
-	it.skip('1. CREATE DATABASE', function (done) {
+	it('1. CREATE DATABASE', function (done) {
 		alasql('CREATE DATABASE test325; USE test325');
 		done();
 	});
 
-	it.skip('2. CREATE TABLE with multiple constraints', function (done) {
+	it('2. CREATE TABLE with multiple constraints', function (done) {
 		alasql(function () {
 			/*
     IF OBJECT_ID('dbo.Messages') IS NOT NULL DROP TABLE dbo.Messages;
@@ -28,15 +28,13 @@ describe('Test 325 IDENTITY', function () {
         UNIQUE CLUSTERED(status, msg),
       CONSTRAINT CHK_Messages_status
         CHECK (status IN('new', 'open', 'done'))
-      CONSTRAINT FakeDomainCheck
-        CHECK (VALUE->msg != 'Virtue? I spit on virtue!')
     );
   */
 		});
 		done();
 	});
 
-	it.skip('3. INSERT INTO', function (done) {
+	it('3. INSERT INTO', function (done) {
 		var res = alasql(
 			'INSERT INTO dbo.Messages (msgts, msg, status) \
       VALUES("2015.01.01","I love you!","new")'
@@ -46,7 +44,7 @@ describe('Test 325 IDENTITY', function () {
 		done();
 	});
 
-	it.skip('4. INSERT INTO with NOT NULL violation', function (done) {
+	it('4. INSERT INTO with NOT NULL violation', function (done) {
 		assert.throws(function () {
 			var res = alasql(
 				'INSERT INTO dbo.Messages (msgts, msg, status) \
@@ -57,7 +55,7 @@ describe('Test 325 IDENTITY', function () {
 		done();
 	});
 
-	it.skip('5. INSERT INTO with CHECK violation', function (done) {
+	it('5. INSERT INTO with CHECK violation', function (done) {
 		assert.throws(function () {
 			var res = alasql(
 				'INSERT INTO dbo.Messages (msgts, msg, status) \
@@ -68,7 +66,7 @@ describe('Test 325 IDENTITY', function () {
 		done();
 	});
 
-	it.skip('6. INSERT INTO with UNIQUE violation', function (done) {
+	it('6. INSERT INTO with UNIQUE violation', function (done) {
 		assert.throws(function () {
 			var res = alasql(
 				'INSERT INTO dbo.Messages (msgts, msg, status) \
@@ -79,7 +77,7 @@ describe('Test 325 IDENTITY', function () {
 		done();
 	});
 
-	it.skip('7. INSERT INTO with IDENTITY', function (done) {
+	it('7. INSERT INTO with IDENTITY', function (done) {
 		// console.log(69,alasql.tables.Messages.identities);
 		// console.log(69,alasql.tables.Messages.uniqs);
 		// console.log(69,alasql.tables.Messages.pk);
@@ -89,7 +87,7 @@ describe('Test 325 IDENTITY', function () {
 		done();
 	});
 
-	it.skip('8. INSERT INTO with IDENTITY', function (done) {
+	it('8. INSERT INTO with IDENTITY', function (done) {
 		var res = alasql(
 			'INSERT INTO dbo.Messages (msg, status) \
       VALUES("I hate you!","new")'
@@ -98,7 +96,7 @@ describe('Test 325 IDENTITY', function () {
 		done();
 	});
 
-	it.skip('9. INSERT INTO with IDENTITY', function (done) {
+	it('9. INSERT INTO with IDENTITY', function (done) {
 		var res = alasql(
 			'INSERT INTO dbo.Messages (msg, status) \
       VALUES("I hate you to much!","new")'
@@ -107,14 +105,14 @@ describe('Test 325 IDENTITY', function () {
 		done();
 	});
 
-	it.skip('10. INSERT INTO with IDENTITY', function (done) {
+	it('10. INSERT INTO with IDENTITY', function (done) {
 		var res = alasql('SELECT COLUMN msgid FROM dbo.Messages');
 		assert.deepEqual(res, [1, 2, 3]);
 		//    console.log(res);
 		done();
 	});
 
-	it.skip('11. CHECK CONSTRAINT on column', function (done) {
+	it('11. CHECK CONSTRAINT on column', function (done) {
 		assert.throws(function () {
 			var res = alasql(
 				'INSERT INTO dbo.Messages (msg, status) \
@@ -124,7 +122,7 @@ describe('Test 325 IDENTITY', function () {
 		done();
 	});
 
-	it.skip('12. DEFAULT()', function (done) {
+	it('12. DEFAULT()', function (done) {
 		var res = alasql(
 			'INSERT INTO dbo.Messages (msg) \
         VALUES("It lucky rainbow!")'
@@ -133,7 +131,7 @@ describe('Test 325 IDENTITY', function () {
 		done();
 	});
 
-	it.skip('13. SELECT with REMOVE COLUMNS', function (done) {
+	it('13. SELECT with REMOVE COLUMNS', function (done) {
 		var res = alasql('SELECT COLUMN msgid FROM dbo.Messages');
 		assert.deepEqual(res, [1, 2, 3, 4]);
 		var res = alasql('SELECT * REMOVE COLUMN msgts FROM dbo.Messages WHERE msgid = 4');
@@ -142,7 +140,7 @@ describe('Test 325 IDENTITY', function () {
 		done();
 	});
 
-	it.skip('99. DROP DATABASE', function (done) {
+	it('99. DROP DATABASE', function (done) {
 		alasql('DROP DATABASE test325');
 		done();
 	});
diff --git a/test/test326.js b/test/test326.js
index 3f8311a5c8..04c0de32b4 100644
--- a/test/test326.js
+++ b/test/test326.js
@@ -6,12 +6,12 @@ if (typeof exports === 'object') {
 }
 
 describe('Test 326 FOREIGN KEYS', function () {
-	it.skip('1. CREATE DATABASE', function (done) {
+	it('1. CREATE DATABASE', function (done) {
 		alasql('CREATE DATABASE test326; USE test326');
 		done();
 	});
 
-	it.skip('2. CREATE TABLES City', function (done) {
+	it('2. CREATE TABLES City', function (done) {
 		alasql(function () {
 			/*
       CREATE TABLE dbo.Cities
@@ -26,7 +26,7 @@ describe('Test 326 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('3. INSERT VALUES INTO City', function (done) {
+	it('3. INSERT VALUES INTO City', function (done) {
 		alasql(function () {
 			/*
       INSERT INTO dbo.Cities(cityid, city, region, country) VALUES
@@ -48,7 +48,7 @@ describe('Test 326 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('4. CREATE TABLE Roads', function (done) {
+	it('4. CREATE TABLE Roads', function (done) {
 		alasql(function () {
 			/*
       CREATE TABLE dbo.Roads
@@ -65,7 +65,7 @@ describe('Test 326 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('5. INSERT VALUES INTO Roads', function (done) {
+	it('5. INSERT VALUES INTO Roads', function (done) {
 		alasql(function () {
 			/*
       INSERT INTO dbo.Roads(city1, city2, distance) VALUES
@@ -96,7 +96,7 @@ describe('Test 326 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('6. INSERT wrong FOREIGN KEY', function (done) {
+	it('6. INSERT wrong FOREIGN KEY', function (done) {
 		assert.throws(function () {
 			alasql(
 				"INSERT INTO dbo.Roads(city1, city2, distance) VALUES \
@@ -107,7 +107,7 @@ describe('Test 326 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('7. INSERT right FOREIGN KEY', function (done) {
+	it('7. INSERT right FOREIGN KEY', function (done) {
 		alasql(
 			"INSERT INTO dbo.Cities(cityid, city, region, country) VALUES \
         ('SVO', 'Sheremetievo', 'Moscow', 'Russia')"
@@ -120,14 +120,14 @@ describe('Test 326 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('8. SELECT', function (done) {
+	it('8. SELECT', function (done) {
 		var res = alasql("SELECT VALUE distance FROM dbo.Roads WHERE city1 = 'SFO' AND city2 = 'SVO'");
 		assert(res == 99999);
 		done();
 	});
 
 	if (false) {
-		it.skip('9. FOREIGN KEY DOT operator', function (done) {
+		it('9. FOREIGN KEY DOT operator', function (done) {
 			var res = alasql.parse(
 				"SELECT city1.name, city2, distance FROM dbo.Roads WHERE city1 = 'SFO' AND city2 = 'SVO'"
 			);
@@ -140,7 +140,7 @@ describe('Test 326 FOREIGN KEYS', function () {
 		});
 	}
 
-	it.skip('99. DROP DATABASE', function (done) {
+	it('99. DROP DATABASE', function (done) {
 		alasql('DROP DATABASE test326');
 		done();
 	});
diff --git a/test/test327.js b/test/test327.js
index 165f0b9aa8..96536e1e2f 100644
--- a/test/test327.js
+++ b/test/test327.js
@@ -6,12 +6,12 @@ if (typeof exports === 'object') {
 }
 
 describe('Test 327 FOREIGN KEYS', function () {
-	it.skip('1. CREATE DATABASE', function (done) {
+	it('1. CREATE DATABASE', function (done) {
 		alasql('CREATE DATABASE test327; USE test327');
 		done();
 	});
 
-	it.skip('2. CREATE TABLES Parts', function (done) {
+	it('2. CREATE TABLES Parts', function (done) {
 		alasql(function () {
 			/*
       CREATE TABLE dbo.Parts
@@ -24,7 +24,7 @@ describe('Test 327 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('3. INSERT VALUES INTO Parts', function (done) {
+	it('3. INSERT VALUES INTO Parts', function (done) {
 		alasql(function () {
 			/*
       INSERT INTO dbo.Parts(partid, partname) VALUES
@@ -50,7 +50,7 @@ describe('Test 327 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('4. CREATE TABLE BOM', function (done) {
+	it('4. CREATE TABLE BOM', function (done) {
 		if (false) {
 			alasql(function () {
 				/*
@@ -85,7 +85,7 @@ describe('Test 327 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('5. INSERT VALUES INTO BOM', function (done) {
+	it('5. INSERT VALUES INTO BOM', function (done) {
 		alasql(function () {
 			/*
       INSERT INTO dbo.BOM(partid, assemblyid, unit, qty) VALUES
@@ -121,7 +121,7 @@ describe('Test 327 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('6. SELECT values from BOM', function (done) {
+	it('6. SELECT values from BOM', function (done) {
 		var res = alasql('SELECT * FROM BOM WHERE assemblyid = 1');
 		assert.deepEqual(res, [
 			{partid: 6, assemblyid: 1, unit: 'EA', qty: 1},
@@ -133,7 +133,7 @@ describe('Test 327 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('7. INSERT duplicated key', function (done) {
+	it('7. INSERT duplicated key', function (done) {
 		assert.throws(function () {
 			alasql(
 				"INSERT INTO dbo.BOM(partid, assemblyid, unit, qty) VALUES \
@@ -143,7 +143,7 @@ describe('Test 327 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('8. INSERT with wrong FOREIGN KEY', function (done) {
+	it('8. INSERT with wrong FOREIGN KEY', function (done) {
 		assert.throws(function () {
 			alasql(
 				"INSERT INTO dbo.BOM(partid, assemblyid, unit, qty) VALUES \
@@ -153,7 +153,7 @@ describe('Test 327 FOREIGN KEYS', function () {
 		done();
 	});
 
-	it.skip('8. INSERT with right FOREIGN KEY', function (done) {
+	it('8. INSERT with right FOREIGN KEY', function (done) {
 		var res = alasql(
 			"INSERT INTO dbo.BOM(partid, assemblyid, unit, qty) VALUES \
           ( 1, 2, 'EA',   1.00)"
@@ -164,13 +164,13 @@ describe('Test 327 FOREIGN KEYS', function () {
 
 	/*
       
-  it.skip('8. SELECT',function(done){
+  it('8. SELECT',function(done){
     var res = alasql("SELECT VALUE distance FROM dbo.Roads WHERE city1 = 'SFO' AND city2 = 'SVO'");
     assert(res == 99999);
     done();
   });
 
-  it.skip('9. FOREIGN KEY DOT operator',function(done){
+  it('9. FOREIGN KEY DOT operator',function(done){
     var res = alasql.parse("SELECT city1.name, city2, distance FROM dbo.Roads WHERE city1 = 'SFO' AND city2 = 'SVO'");
 //    console.log(res.statements[0].columns[0].toJS('a','b'));
     var res = alasql("SELECT city1.name, city2, distance FROM dbo.Roads WHERE city1 = 'SFO' AND city2 = 'SVO'");
@@ -179,7 +179,7 @@ describe('Test 327 FOREIGN KEYS', function () {
   });
 
 */
-	it.skip('99. DROP DATABASE', function (done) {
+	it('99. DROP DATABASE', function (done) {
 		alasql('DROP DATABASE test327');
 		done();
 	});