Uses of Interface java.sql.Clob (Java Platform SE 8 )
Date: 2026-04-17

## Uses of Interface
java.sql.Clob

- Packages that use Clob
  Package | Description
  --- | ---
  java.sql | Provides the API for accessing and processing data stored in a data source (usually a relational database) using the JavaTM programming language.
  javax.sql | Provides the API for server side data source access and processing from the JavaTM programming language.
  javax.sql.rowset | Standard interfaces and base classes for JDBC `RowSet` implementations.
  javax.sql.rowset.serial | Provides utility classes to allow serializable mappings between SQL types and data types in the Java programming language.

- - ### Uses of Clob in java.sql

    Subinterfaces of Clob in java.sql
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `NClob` The mapping in the Java™ programming language for the SQL `NCLOB` type.

    Methods in java.sql that return Clob
    Modifier and Type | Method and Description
    --- | ---
    `Clob` | Connection.`createClob()` Constructs an object that implements the `Clob` interface.
    `Clob` | ResultSet.`getClob(int columnIndex)` Retrieves the value of the designated column in the current row of this `ResultSet` object as a `Clob` object in the Java programming language.
    `Clob` | CallableStatement.`getClob(int parameterIndex)` Retrieves the value of the designated JDBC `CLOB` parameter as a `java.sql.Clob` object in the Java programming language.
    `Clob` | ResultSet.`getClob(String columnLabel)` Retrieves the value of the designated column in the current row of this `ResultSet` object as a `Clob` object in the Java programming language.
    `Clob` | CallableStatement.`getClob(String parameterName)` Retrieves the value of a JDBC `CLOB` parameter as a `java.sql.Clob` object in the Java programming language.
    `Clob` | SQLInput.`readClob()` Reads an SQL `CLOB` value from the stream and returns it as a `Clob` object in the Java programming language.

    Methods in java.sql with parameters of type Clob
    Modifier and Type | Method and Description
    --- | ---
    `long` | Clob.`position(Clob searchstr, long start)` Retrieves the character position at which the specified `Clob` object `searchstr` appears in this `Clob` object.
    `void` | PreparedStatement.`setClob(int parameterIndex, Clob x)` Sets the designated parameter to the given `java.sql.Clob` object.
    `void` | CallableStatement.`setClob(String parameterName, Clob x)` Sets the designated parameter to the given `java.sql.Clob` object.
    `void` | ResultSet.`updateClob(int columnIndex, Clob x)` Updates the designated column with a `java.sql.Clob` value.
    `void` | ResultSet.`updateClob(String columnLabel, Clob x)` Updates the designated column with a `java.sql.Clob` value.
    `void` | SQLOutput.`writeClob(Clob x)` Writes an SQL `CLOB` value to the stream.

  - ### Uses of Clob in javax.sql

    Methods in javax.sql with parameters of type Clob
    Modifier and Type | Method and Description
    --- | ---
    `void` | RowSet.`setClob(int i, Clob x)` Sets the designated parameter in this `RowSet` object's command with the given `Clob` value.
    `void` | RowSet.`setClob(String parameterName, Clob x)` Sets the designated parameter to the given `java.sql.Clob` object.

  - ### Uses of Clob in javax.sql.rowset

    Methods in javax.sql.rowset with parameters of type Clob
    Modifier and Type | Method and Description
    --- | ---
    `void` | BaseRowSet.`setClob(int parameterIndex, Clob x)` Sets the designated parameter to the given `Clob` object in the Java programming language.
    `void` | BaseRowSet.`setClob(String parameterName, Clob x)` Sets the designated parameter to the given `java.sql.Clob` object.

  - ### Uses of Clob in javax.sql.rowset.serial

    Classes in javax.sql.rowset.serial that implement Clob
    Modifier and Type | Class and Description
    --- | ---
    `class` | `SerialClob` A serialized mapping in the Java programming language of an SQL `CLOB` value.

    Methods in javax.sql.rowset.serial that return Clob
    Modifier and Type | Method and Description
    --- | ---
    `Clob` | SQLInputImpl.`readClob()` Retrieves the `CLOB` value at the head of this `SQLInputImpl` object as a `Clob` object in the Java programming language.

    Methods in javax.sql.rowset.serial with parameters of type Clob
    Modifier and Type | Method and Description
    --- | ---
    `long` | SerialClob.`position(Clob searchStr, long start)` Returns the position in this `SerialClob` object where the given `Clob` signature begins, starting the search at the specified position.
    `void` | SQLOutputImpl.`writeClob(Clob x)` Writes a `Clob` object in the Java programming language to this `SQLOutputImpl` object.

    Constructors in javax.sql.rowset.serial with parameters of type Clob
    Constructor and Description
    `SerialClob(Clob clob)` Constructs a `SerialClob` object that is a serialized version of the given `Clob` object.

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