Author: Dev

In Oracle PL/SQL, a sequence is a database object that generates a unique series of numeric values in ascending or descending order. It is often used to generate primary key values for tables in a database. Sequences are particularly useful in scenarios where unique, sequential identifiers are required, such as when creating primary key values…(Continue Reading)

The Oracle PL/SQL IDENTITY column is a column whose values are automatically generated by the database system, typically used for creating surrogate primary keys. This feature simplifies the process of managing unique identifiers for records in a table. An identity column is a special type of column in Oracle that automatically generates unique values for…(Continue Reading)

The Oracle PL/SQL TIMESTAMP WITH LOCAL TIME ZONE data type is used to store date and time information along with the corresponding time zone offset. This data type is particularly useful when dealing with applications that operate in multiple time zones. Here are some key points about the TIMESTAMP WITH LOCAL TIME ZONE data type:…(Continue Reading)

The Oracle PL/SQL INTERVAL YEAR TO MONTH data type is used to represent a period of time in terms of years and months. It allows you to store and manipulate intervals between two points in time without having to worry about the specific days, hours, minutes, or seconds within that interval. This data type is…(Continue Reading)

In Oracle PL/SQL, the INTERVAL DAY TO SECOND data type is used to represent a period of time in terms of days, hours, minutes, and seconds. This data type is particularly useful when dealing with durations or intervals between two points in time, such as the difference between two dates. Syntax The INTERVAL DAY TO…(Continue Reading)