How do I add system versioning to this table definition with clause? - sql-server

Question

I have the below table definition and I want to add system versioning to it but I can't seem to get it into the WITH clause without SQL Server complaining.
CREATE TABLE [dbo].[Employee](
[EmployeeId] [int] IDENTITY(1,1) NOT NULL,
[FirstName] [varchar](50) NULL,
[LastName] [varchar](50) NULL,
[SysStartTime] [datetime2](7) NOT NULL,
[SysEndTime] [datetime2](7) NOT NULL,
CONSTRAINT [PK_Employee_1] PRIMARY KEY CLUSTERED
(
[EmployeeId] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
Here's the system versioning WITH clause.
WITH (SYSTEM_VERSIONING = ON (HISTORY_TABLE=[dbo].[EmployeeHistory], DATA_CONSISTENCY_CHECK=ON));

Answer 1

It's probably easiest and most succinct to create your table and then add the required system versioning elements:
create table [dbo].[Employee](
[EmployeeId] [int] identity(1,1) not null,
[FirstName] [varchar](50) null,
[LastName] [varchar](50) null
constraint [PK_Employee_1] primary key clustered
(
[EmployeeId] asc
)with (pad_index = off, statistics_norecompute = off, ignore_dup_key = off, allow_row_locks = on, allow_page_locks = on) on [PRIMARY]
) on [PRIMARY]
alter table dbo.Employee add
SysStartTime datetime2 generated always as row start constraint DF_EmployeeSysStart default SysUtcDateTime(),
SysEndTime datetime2 generated always as row end constraint DF_EmployeeSysEnd default Convert(datetime2, '9999-12-31 23:59:59.9999999'),
period for system_time (SysStartTime,SysEndTime);
alter table Employee set (system_versioning = on (history_table = dbo.EmployeeHistory, data_consistency_check=on));
Edit
To combine in a single create table
create table [dbo].[Employee](
[EmployeeId] [int] identity(1,1) not null,
[FirstName] [varchar](50) null,
[LastName] [varchar](50) null,
[SysStartTime] datetime2 generated always as row start constraint DF_EmployeeSysStart default SysUtcDateTime(),
[SysEndTime] datetime2 generated always as row end hidden constraint DF_EmployeeSysEnd default Convert(datetime2, '9999-12-31 23:59:59.9999999'),
period for system_time (SysStartTime,SysEndTime),
constraint [PK_Employee_1] primary key clustered ( [EmployeeId] asc) with (pad_index = off, statistics_norecompute = off, ignore_dup_key = off, allow_row_locks = on, allow_page_locks = on)
) with ( system_versioning = on (history_table = dbo.EmployeeHistory, data_consistency_check=on))