oracle.jdbc.driver.oracledatabasemetadata.html

Oracle JDBC 的javaDoc

	<a href="#supportsSchemasInIndexDefinitions()"><b>supportsSchemasInIndexDefinitions</b></a>()
  <dd> Can a schema name be used in an index definition statement?


  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsSchemasInPrivilegeDefinitions()"><b>supportsSchemasInPrivilegeDefinitions</b></a>()
  <dd> Can a schema name be used in a privilege definition statement?


  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsSchemasInProcedureCalls()"><b>supportsSchemasInProcedureCalls</b></a>()
  <dd> Can a schema name be used in a procedure call statement?


  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsSchemasInTableDefinitions()"><b>supportsSchemasInTableDefinitions</b></a>()
  <dd> Can a schema name be used in a table definition statement?


  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsSelectForUpdate()"><b>supportsSelectForUpdate</b></a>()
  <dd> Is SELECT for UPDATE supported?


  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsStoredProcedures()"><b>supportsStoredProcedures</b></a>()
  <dd> Are stored procedure calls using the stored procedure escape
syntax supported?


  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsSubqueriesInComparisons()"><b>supportsSubqueriesInComparisons</b></a>()
  <dd> Are subqueries in comparison expressions supported?

A JDBC compliant driver always returns true.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsSubqueriesInExists()"><b>supportsSubqueriesInExists</b></a>()
  <dd> Are subqueries in exists expressions supported?

A JDBC compliant driver always returns true.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsSubqueriesInIns()"><b>supportsSubqueriesInIns</b></a>()
  <dd> Are subqueries in "in" statements supported?

A JDBC compliant driver always returns true.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsSubqueriesInQuantifieds()"><b>supportsSubqueriesInQuantifieds</b></a>()
  <dd> Are subqueries in quantified expressions supported?

A JDBC compliant driver always returns true.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsTableCorrelationNames()"><b>supportsTableCorrelationNames</b></a>()
  <dd> Are table correlation names supported?

A JDBC compliant driver always returns true.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsTransactionIsolationLevel(int)"><b>supportsTransactionIsolationLevel</b></a>(int)
  <dd> Does the database support the given transaction isolation level?


  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsTransactions()"><b>supportsTransactions</b></a>()
  <dd> Are transactions supported? If not, commit is a noop and the
isolation level is TRANSACTION_NONE.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsUnion()"><b>supportsUnion</b></a>()
  <dd> Is SQL UNION supported?


  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#supportsUnionAll()"><b>supportsUnionAll</b></a>()
  <dd> Is SQL UNION ALL supported?


  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#updatesAreDetected(int)"><b>updatesAreDetected</b></a>(int)
  <dd> Implements JDBC 2.0 DatabaseMetaData.updatesAreDetected.
  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#usesLocalFilePerTable()"><b>usesLocalFilePerTable</b></a>()
  <dd> Does the database use a file for each table?


  <dt> <img src="images/red-ball-small.gif" width=6 height=6 alt=" o ">
	<a href="#usesLocalFiles()"><b>usesLocalFiles</b></a>()
  <dd> Does the database store tables in a local file?


</dl>
<a name="constructors"></a>
<h2>
  <img src="images/constructors.gif" width=231 height=38 alt="Constructors">
</h2>
<a name="OracleDatabaseMetaData"></a>
<a name="OracleDatabaseMetaData(oracle.jdbc.driver.OracleConnection)"><img src="images/yellow-ball.gif" width=12 height=12 alt=" o "></a>
<b>OracleDatabaseMetaData</b>
<pre>
 public OracleDatabaseMetaData(<a href="oracle.jdbc.driver.OracleConnection.html#_top_">OracleConnection</a> conn)
</pre>
<a name="methods"></a>
<h2>
  <img src="images/methods.gif" width=151 height=38 alt="Methods">
</h2>
<a name="allProceduresAreCallable()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="allProceduresAreCallable"><b>allProceduresAreCallable</b></a>
<pre>
 public boolean allProceduresAreCallable() throws SQLException
</pre>
<dl>
  <dd> Can all the procedures returned by getProcedures be called by the
current user?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> true if so
  </dl></dd>
</dl>
<a name="allTablesAreSelectable()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="allTablesAreSelectable"><b>allTablesAreSelectable</b></a>
<pre>
 public boolean allTablesAreSelectable() throws SQLException
</pre>
<dl>
  <dd> Can all the tables returned by getTable be SELECTed by the
current user?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> true if so
  </dl></dd>
</dl>
<a name="getURL()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getURL"><b>getURL</b></a>
<pre>
 public String getURL() throws SQLException
</pre>
<dl>
  <dd> What's the url for this database?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> the url or null if it can't be generated
  </dl></dd>
</dl>
<a name="getUserName()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getUserName"><b>getUserName</b></a>
<pre>
 public String getUserName() throws SQLException
</pre>
<dl>
  <dd> What's our user name as known to the database?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> our database user name
  </dl></dd>
</dl>
<a name="isReadOnly()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="isReadOnly"><b>isReadOnly</b></a>
<pre>
 public boolean isReadOnly() throws SQLException
</pre>
<dl>
  <dd> Is the database in read-only mode?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> true if so
  </dl></dd>
</dl>
<a name="nullsAreSortedHigh()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="nullsAreSortedHigh"><b>nullsAreSortedHigh</b></a>
<pre>
 public boolean nullsAreSortedHigh() throws SQLException
</pre>
<dl>
  <dd> Are NULL values sorted high?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> true if so
  </dl></dd>
</dl>
<a name="nullsAreSortedLow()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="nullsAreSortedLow"><b>nullsAreSortedLow</b></a>
<pre>
 public boolean nullsAreSortedLow() throws SQLException
</pre>
<dl>
  <dd> Are NULL values sorted low?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> true if so
  </dl></dd>
</dl>
<a name="nullsAreSortedAtStart()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="nullsAreSortedAtStart"><b>nullsAreSortedAtStart</b></a>
<pre>
 public boolean nullsAreSortedAtStart() throws SQLException
</pre>
<dl>
  <dd> Are NULL values sorted at the start regardless of sort order?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> true if so
  </dl></dd>
</dl>
<a name="nullsAreSortedAtEnd()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="nullsAreSortedAtEnd"><b>nullsAreSortedAtEnd</b></a>
<pre>
 public boolean nullsAreSortedAtEnd() throws SQLException
</pre>
<dl>
  <dd> Are NULL values sorted at the end regardless of sort order?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> true if so
  </dl></dd>
</dl>
<a name="getDatabaseProductName()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getDatabaseProductName"><b>getDatabaseProductName</b></a>
<pre>
 public String getDatabaseProductName() throws SQLException
</pre>
<dl>
  <dd> What's the name of this database product?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> database product name
  </dl></dd>
</dl>
<a name="getDatabaseProductVersion()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getDatabaseProductVersion"><b>getDatabaseProductVersion</b></a>
<pre>
 public String getDatabaseProductVersion() throws SQLException
</pre>
<dl>
  <dd> What's the version of this database product?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> database version
  </dl></dd>
</dl>
<a name="getDriverName()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getDriverName"><b>getDriverName</b></a>
<pre>
 public String getDriverName() throws SQLException
</pre>
<dl>
  <dd> What's the name of this JDBC driver?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> JDBC driver name
  </dl></dd>
</dl>
<a name="getDriverVersion()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getDriverVersion"><b>getDriverVersion</b></a>
<pre>
 public String getDriverVersion() throws SQLException
</pre>
<dl>
  <dd> What's the version of this JDBC driver?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> JDBC driver version
  </dl></dd>
</dl>
<a name="getDriverMajorVersion()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getDriverMajorVersion"><b>getDriverMajorVersion</b></a>
<pre>
 public int getDriverMajorVersion()
</pre>
<dl>
  <dd> What's this JDBC driver's major version number?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> JDBC driver major version
  </dl></dd>
</dl>
<a name="getDriverMinorVersion()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getDriverMinorVersion"><b>getDriverMinorVersion</b></a>
<pre>
 public int getDriverMinorVersion()
</pre>
<dl>
  <dd> What's this JDBC driver's minor version number?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> JDBC driver minor version number
  </dl></dd>
</dl>
<a name="usesLocalFiles()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="usesLocalFiles"><b>usesLocalFiles</b></a>
<pre>
 public boolean usesLocalFiles() throws SQLException
</pre>
<dl>
  <dd> Does the database store tables in a local file?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> true if so
  </dl></dd>
</dl>
<a name="usesLocalFilePerTable()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="usesLocalFilePerTable"><b>usesLocalFilePerTable</b></a>
<pre>
 public boolean usesLocalFilePerTable() throws SQLException
</pre>
<dl>
  <dd> Does the database use a file for each table?
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> true if the database uses a local file for each table
  </dl></dd>
</dl>
<a name="supportsMixedCaseIdentifiers()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="supportsMixedCaseIdentifiers"><b>supportsMixedCaseIdentifiers</b></a>
<pre>
 public boolean supportsMixedCaseIdentifiers() throws SQLException
</pre>
<dl>
  <dd> Does the database treat mixed case unquoted SQL identifiers as
case sensitive and as a result store them in mixed case?
A JDBC compliant driver will always return false.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> true if so
  </dl></dd>
</dl>
<a name="storesUpperCaseIdentifiers()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="storesUpperCaseIdentifiers"><b>storesUpperCaseIdentifiers</b></a>
<pre>