How to insert data to MySQL with auto-incremented column(field)?
14 Check out this post According to it No value was specified for the AUTO_INCREMENT column, so MySQL assigned sequence numbers automatically. You can also explicitly assign …
What is the difference between prefix and postfix operators?
There is a big difference between postfix and prefix versions of ++. In the prefix version (i.e., ++i), the value of i is incremented, and the value of the expression is the new value of i. In the …
SQL Server add auto increment primary key to existing table
7 This answer is a small addition to the highest voted answer and works for SQL Server. The question requested an auto increment primary key, the current answer does add the primary …
How to create id with AUTO_INCREMENT on Oracle?
It appears that there is no concept of AUTO_INCREMENT in Oracle, up until and including version 11g. How can I create a column that behaves like auto increment in Oracle 11g?
ALTER table - adding AUTOINCREMENT in MySQL - Stack Overflow
I created a table in MySQL with on column itemID. After creating the table, now I want to change this column to AUTOINCREMENT. How can this be done using ALTER statements? Table …
Auto increment primary key in SQL Server Management Studio 2012
Jun 12, 2012 · The MS SQL Server uses the IDENTITY keyword to perform an auto-increment feature. In the example above, the starting value for IDENTITY is 1, and it will increment by 1 …
Set start value for column with autoincrement - Stack Overflow
In the Table Designer on SQL Server Management Studio you can set the where the auto increment will start. Right-click on the table in Object Explorer and choose Design, then go to …
How to reset AUTO_INCREMENT in MySQL - Stack Overflow
Jan 19, 2012 · How can I reset the AUTO_INCREMENT of a field? I want it to start counting from 1 again.
How to set auto increment primary key in PostgreSQL?
It seems in postgressql, to add a auto increment to a column, we first need to create a auto increment sequence and add it to the required column. I did like this. 1) Firstly you need to …
Is there a performance difference between i++ and ++i in C++?
Aug 24, 2008 · When there is no functional difference between pre-increment and post-increment, the compiler can perform optimization such that there is no performance difference between …