In SQL, BETWEEN Keyword is used for ranges like Number Ranges, Date Ranges, etc...
Integrity constraints are used to ensure accuracy and consistency of data in a relational database. Data integrity is handled in a relational database through the concept of referential integrity. Many types of integrity constraints play a role in referential integrity (RI).
Hence, Data integrity constraints are used to Improve the quality of data entered for a specific property i.e, table column.
The Java packages which contain JDBC classes and interfaces is Java.SQL.
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