You asked: What is use of Identity in SQL Server?

In SQL Server, we create an identity column to auto-generate incremental values. It generates values based on predefined seed (Initial value) and step (increment) value. For example, suppose we have an Employee table and we want to generate EmployeeID automatically. How does identity column work in SQL Server? The SQL Server identity column An identity …

Read more

Categories BD

Which Java version is used in Android Studio?

A copy of the latest OpenJDK comes bundled with Android Studio 2.2 and higher, and this is the JDK version we recommend you use for your Android projects. Is Java JDK needed for Android studio? Android Studio is the official IDE for Android development. It’s just like Jetbrains’ IntelliJ, but optimised for Android and fully …

Read more

Categories BD

Why is Java faster than Golang?

Go is faster than Java on almost every benchmark. This is due to how it is compiled: Go doesn’t rely on a virtual machine to compile its code. It gets compiled directly into a binary file. … Because Go does not have the VM, it is faster. How much faster is Golang than Java? By …

Read more

Categories BD

What does the histogram show in SQL?

A histogram is a special type of column statistic that sorts values into buckets – as you might sort coins into buckets. Generating a histogram is a great way to understand the distribution of data. What is a histogram in SQL? A histogram is an approximate representation of the distribution of numerical data. In other …

Read more

Categories BD

What is the difference between SQL and Oracle database?

Oracle is owned by Oracle Corporation and can run on a wide variety of platforms such as Windows, Linux, Solaris, HP-UX, and OS-X. Oracle supports PL/SQL and SQL language to write queries to access data from its database. SQL Server is owned by Microsoft and can only be used on the Windows platform. What is …

Read more

Categories BD

What is divide in SQL?

The SQL divide ( / ) operator is used to divide one expressions or numbers by another. How do you divide data equally in SQL? Divide column data into equal parts SELECT @CountOf=COUNT(*) FROM temp. SET @Top=@CountOf/2. SET @Bottom=@CountOf-@Top. SELECT TOP (@Top) * FROM temp ORDER BY 1 asc. SELECT TOP (@Bottom) * FROM temp …

Read more

Categories BD