Simply, this tool manages Windows Updates for an entire cluster in a way that eliminates or reduces requirements for manual intervention and eliminates or reduces guest downtime. When you install Failover Clustering in Server Manager, it queries you to install the tools along with the feature.
create table seconds(micro timestamp); insert into seconds values('2009-09-21 .189717'); select extract(sec from micro) from seconds; date_part ----------- 3 (1 row) select date_part(sec, micro) from seconds; pgdate_part ------------- 3.189717 (1 row) The Amazon Redshift implementation of EPOCH is relative to 1970-01-01 .000000 independent of the time zone where the server resides.
Related: Converting Data Types Related: Help for the DATETIME data type and DST on SQL Server First, the most important characteristic of datetime data is that every datetime value (whether it's a column in a table, a local variable, or the return value of a function) contains both a date and a time.
To illustrate this fact, I can create two datetime variables, then set one to a date and the other to a time.
Even if you did have the time, why would you want to?
What benefit is there in opening processes up to human error when you can have the systems babysit themselves?