H2 Database – Alter ALTER is a command used to change the table structure by adding different clauses to the alter command. Based on the scenario, we need to add respective clause to the alter command. In this chapter, we will discuss various scenarios of alter command. Alter Table Add Alter Table Add is a […]
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H2 Database – Commit COMMIT is a command from the SQL grammar used to commit the transaction. We can either commit the specific transaction or we can commit the currently executed transaction. Syntax There are two different syntaxes for COMMIT command. Following is the generic syntax for the commit command to commit the current transaction. […]
H2 Database – Drop DROP is a command taken from the generic SQL grammar. This command is used to delete a database component and its structure from the memory. There are different scenarios with the Drop command that we will discuss in this chapter. Drop Table Drop Table is a command that deletes the respective […]