The primary key column is often set to auto-increment when constructing a SQL Server database. To achieve this, the IDENTITY property is enabled on the primary key column. The starting value and ...
Identity field is usually used as a primary key. When you insert a new record into your table, this field automatically assign an incremented value from the previous entry. Ex: CREATE TABLE Customer ( ...
Now that we can create and drop tables, we need to be able to insert records into the table. The syntax for inserting a record is as follows: INSERT INTO table_name (col_1, col_2, ...col_N) VALUES ...
Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...