H2 Database

MERGE command is used to update the existing rows and insert new rows into a table. The primary key column plays an important role while using this command; it is…

EXPLAIN command displays the execution plan for a statement. When we execute a statement using EXPLAIN ANALYZE command, the query plan will include the actual row scan count for each…

CALL is a SQL command which belongs to the H2 database server. This command is used to calculate a simple expression. It returns the result of the given expression in…

BACKUP is the command used to take database backup into a separate .zip file. Objects are not locked, and when it takes backup the transaction log is also copied. Admin…

The SQL DELETE Query is used to delete the existing records from a table. We can use the WHERE clause with the DELETE query to delete selected records, otherwise, all…

The UPDATE query is used to update or modify the existing records in a table. We can use the WHERE clause with the UPDATE query to update the selected rows,…

The SQL INSERT statement is used to add new rows of data to a table in the database. Syntax Following is the basic syntax of the INSERT INTO statement. INSERT…

The select command is used to fetch record data from a table or multiple tables. If we design a select query, then it returns data in the form of a…

H2 is a database written in Java. We can easily embed this database into our application by using JDBC. We can run this on many different platforms or any version…

H2 is an open-source lightweight Java database. It can be embedded in Java applications or run in the client-server model. Mainly, the H2 database can be configured to run as…