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[[integration-testing-support-jdbc]]
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= JDBC Testing Support
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[[integration-testing-support-jdbc-test-utils]]
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== JdbcTestUtils
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The `org.springframework.test.jdbc` package contains `JdbcTestUtils`, which is a
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collection of JDBC-related utility functions intended to simplify standard database
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testing scenarios. Specifically, `JdbcTestUtils` provides the following static utility
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methods.
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* `countRowsInTable(..)`: Counts the number of rows in the given table.
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* `countRowsInTableWhere(..)`: Counts the number of rows in the given table by using the
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provided `WHERE` clause.
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* `deleteFromTables(..)`: Deletes all rows from the specified tables.
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* `deleteFromTableWhere(..)`: Deletes rows from the given table by using the provided
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`WHERE` clause.
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* `dropTables(..)`: Drops the specified tables.
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[TIP]
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====
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2023-04-19 23:26:17 +08:00
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xref:testing/testcontext-framework/support-classes.adoc#testcontext-support-classes-junit4[`AbstractTransactionalJUnit4SpringContextTests`]
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and xref:testing/testcontext-framework/support-classes.adoc#testcontext-support-classes-testng[`AbstractTransactionalTestNGSpringContextTests`]
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provide convenience methods that delegate to the aforementioned methods in
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`JdbcTestUtils`.
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====
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[[integration-testing-support-jdbc-embedded-database]]
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== Embedded Databases
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The `spring-jdbc` module provides support for configuring and launching an embedded
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database, which you can use in integration tests that interact with a database.
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For details, see xref:data-access/jdbc/embedded-database-support.adoc[Embedded Database Support]
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and <<data-access.adoc#jdbc-embedded-database-dao-testing, Testing Data Access
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Logic with an Embedded Database>>.
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