diff --git a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/CommunityDatabase.java b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/CommunityDatabase.java
index 23e9b3bc4dfb..38704ad505ff 100644
--- a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/CommunityDatabase.java
+++ b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/CommunityDatabase.java
@@ -185,6 +185,21 @@ public boolean matchesUrl(String jdbcUrl) {
 		}
 	},
 
+	TERADATA {
+		@Override
+		public Dialect createDialect(DialectResolutionInfo info) {
+			return new TeradataDialect( info );
+		}
+		@Override
+		public boolean productNameMatches(String databaseName) {
+			return "Teradata".equals( databaseName );
+		}
+		@Override
+		public String getDriverClassName(String jdbcUrl) {
+			return "com.teradata.jdbc.TeraDriver";
+		}
+	},
+
 	TIMESTEN {
 		@Override
 		public Dialect createDialect(DialectResolutionInfo info) {
diff --git a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/CommunityDialectSelector.java b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/CommunityDialectSelector.java
index a14a8b495e90..307f7fb9fed5 100644
--- a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/CommunityDialectSelector.java
+++ b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/CommunityDialectSelector.java
@@ -43,6 +43,9 @@ public Class<? extends Dialect> resolve(String name) {
 				return MaxDBDialect.class;
 			case "SybaseAnywhere":
 				return SybaseAnywhereDialect.class;
+			case "Teradata14":
+			case "Teradata":
+				return TeradataDialect.class;
 			case "TimesTen":
 				return TimesTenDialect.class;
 			case "SingleStore":
diff --git a/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/TeradataDialect.java b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/TeradataDialect.java
new file mode 100644
index 000000000000..420daac54640
--- /dev/null
+++ b/hibernate-community-dialects/src/main/java/org/hibernate/community/dialect/TeradataDialect.java
@@ -0,0 +1,641 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.community.dialect;
+
+import java.sql.CallableStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Types;
+import java.util.Map;
+
+import org.hibernate.LockOptions;
+import org.hibernate.boot.Metadata;
+import org.hibernate.boot.model.FunctionContributions;
+import org.hibernate.boot.model.naming.Identifier;
+import org.hibernate.boot.model.relational.QualifiedNameImpl;
+import org.hibernate.boot.model.relational.QualifiedTableName;
+import org.hibernate.boot.model.relational.SqlStringGenerationContext;
+import org.hibernate.community.dialect.identity.Teradata14IdentityColumnSupport;
+import org.hibernate.dialect.DatabaseVersion;
+import org.hibernate.dialect.Dialect;
+import org.hibernate.dialect.function.CommonFunctionFactory;
+import org.hibernate.dialect.identity.IdentityColumnSupport;
+import org.hibernate.dialect.pagination.LimitHandler;
+import org.hibernate.dialect.pagination.TopLimitHandler;
+import org.hibernate.dialect.temptable.TemporaryTable;
+import org.hibernate.dialect.temptable.TemporaryTableKind;
+import org.hibernate.engine.jdbc.dialect.spi.DialectResolutionInfo;
+import org.hibernate.engine.spi.SessionFactoryImplementor;
+import org.hibernate.exception.spi.TemplatedViolatedConstraintNameExtractor;
+import org.hibernate.exception.spi.ViolatedConstraintNameExtractor;
+import org.hibernate.mapping.Column;
+import org.hibernate.mapping.Index;
+import org.hibernate.metamodel.mapping.EntityMappingType;
+import org.hibernate.metamodel.spi.RuntimeModelCreationContext;
+import org.hibernate.query.spi.QueryOptions;
+import org.hibernate.query.sqm.IntervalType;
+import org.hibernate.query.common.TemporalUnit;
+import org.hibernate.query.sqm.mutation.internal.temptable.GlobalTemporaryTableInsertStrategy;
+import org.hibernate.query.sqm.mutation.internal.temptable.GlobalTemporaryTableMutationStrategy;
+import org.hibernate.query.sqm.mutation.spi.SqmMultiTableInsertStrategy;
+import org.hibernate.query.sqm.mutation.spi.SqmMultiTableMutationStrategy;
+import org.hibernate.sql.ForUpdateFragment;
+import org.hibernate.sql.ast.SqlAstTranslator;
+import org.hibernate.sql.ast.SqlAstTranslatorFactory;
+import org.hibernate.sql.ast.spi.StandardSqlAstTranslatorFactory;
+import org.hibernate.sql.ast.tree.Statement;
+import org.hibernate.sql.exec.spi.JdbcOperation;
+import org.hibernate.tool.schema.internal.StandardIndexExporter;
+import org.hibernate.tool.schema.spi.Exporter;
+import org.hibernate.type.BasicType;
+import org.hibernate.type.BasicTypeRegistry;
+import org.hibernate.type.StandardBasicTypes;
+import org.hibernate.type.descriptor.jdbc.JdbcType;
+import org.hibernate.type.descriptor.jdbc.spi.JdbcTypeRegistry;
+import org.hibernate.type.spi.TypeConfiguration;
+
+import jakarta.persistence.TemporalType;
+
+import static org.hibernate.exception.spi.TemplatedViolatedConstraintNameExtractor.extractUsingTemplate;
+import static org.hibernate.type.SqlTypes.BIGINT;
+import static org.hibernate.type.SqlTypes.BINARY;
+import static org.hibernate.type.SqlTypes.BOOLEAN;
+import static org.hibernate.type.SqlTypes.TINYINT;
+import static org.hibernate.type.SqlTypes.VARBINARY;
+
+/**
+ * A dialect for the Teradata database created by MCR as part of the
+ * dialect certification process.
+ *
+ * @author Jay Nance
+ */
+public class TeradataDialect extends Dialect {
+
+	private static final DatabaseVersion DEFAULT_VERSION = DatabaseVersion.make( 12, 0 );
+
+	private static final int PARAM_LIST_SIZE_LIMIT = 1024;
+
+	public TeradataDialect(DialectResolutionInfo info) {
+		this( info.makeCopyOrDefault( DEFAULT_VERSION ) );
+		registerKeywords( info );
+	}
+
+	public TeradataDialect() {
+		this( DEFAULT_VERSION );
+	}
+
+	public TeradataDialect(DatabaseVersion version) {
+		super( version );
+	}
+
+	@Override
+	protected void registerDefaultKeywords() {
+		super.registerDefaultKeywords();
+		registerKeyword( "password" );
+		registerKeyword( "type" );
+		registerKeyword( "title" );
+		registerKeyword( "year" );
+		registerKeyword( "month" );
+		registerKeyword( "summary" );
+		registerKeyword( "alias" );
+		registerKeyword( "value" );
+		registerKeyword( "first" );
+		registerKeyword( "role" );
+		registerKeyword( "account" );
+		registerKeyword( "class" );
+	}
+
+	@Override
+	protected String columnType(int sqlTypeCode) {
+		switch ( sqlTypeCode ) {
+			case BOOLEAN:
+			case TINYINT:
+				return "byteint";
+			//'bigint' has been there since at least version 13
+			case BIGINT:
+				return getVersion().isBefore( 13 ) ? "numeric(19,0)" : "bigint";
+			case BINARY:
+				return "byte($l)";
+			case VARBINARY:
+				return "varbyte($l)";
+			default:
+				return super.columnType( sqlTypeCode );
+		}
+	}
+
+	@Override
+	public int getDefaultStatementBatchSize() {
+		return getVersion().isBefore( 14 )
+				? 0 : 15;
+	}
+
+	@Override
+	public boolean useInputStreamToInsertBlob() {
+		return getVersion().isSameOrAfter( 14 );
+	}
+
+	@Override
+	public boolean useConnectionToCreateLob() {
+		return false;
+	}
+
+	@Override
+	public int getMaxVarcharLength() {
+		//for the unicode server character set
+		return 32_000;
+	}
+
+	@Override
+	public int getMaxVarbinaryLength() {
+		return 64_000;
+	}
+
+	@Override
+	public JdbcType resolveSqlTypeDescriptor(
+			String columnTypeName, int jdbcTypeCode,
+			int precision,
+			int scale,
+			JdbcTypeRegistry jdbcTypeRegistry) {
+		switch ( jdbcTypeCode ) {
+			case Types.BIT:
+				return jdbcTypeRegistry.getDescriptor( Types.BOOLEAN );
+			case Types.NUMERIC:
+			case Types.DECIMAL:
+				if ( precision == 19 && scale == 0 ) {
+					return jdbcTypeRegistry.getDescriptor( Types.BIGINT );
+				}
+		}
+		return super.resolveSqlTypeDescriptor(
+				columnTypeName,
+				jdbcTypeCode,
+				precision,
+				scale,
+				jdbcTypeRegistry
+		);
+	}
+
+	@Override
+	public SqlAstTranslatorFactory getSqlAstTranslatorFactory() {
+		return new StandardSqlAstTranslatorFactory() {
+			@Override
+			protected <T extends JdbcOperation> SqlAstTranslator<T> buildTranslator(
+					SessionFactoryImplementor sessionFactory, Statement statement) {
+				return new TeradataSqlAstTranslator<>( sessionFactory, statement );
+			}
+		};
+	}
+
+	@Override
+	public int getPreferredSqlTypeCodeForBoolean() {
+		return Types.BIT;
+	}
+
+	@Override
+	public int getDefaultDecimalPrecision() {
+		return getVersion().isBefore( 14 ) ? 18 : 38;
+	}
+
+	@Override
+	public long getFractionalSecondPrecisionInNanos() {
+		// Do duration arithmetic in a seconds, but
+		// with the fractional part
+		return 1_000_000_000; //seconds!!
+	}
+
+	public String timestampdiffPattern(TemporalUnit unit, TemporalType fromTemporalType, TemporalType toTemporalType) {
+		StringBuilder pattern = new StringBuilder();
+		//TODO: TOTALLY UNTESTED CODE!
+		pattern.append("cast((?3-?2) ");
+		switch (unit) {
+			case NANOSECOND:
+			case NATIVE:
+				//default fractional precision is 6, the maximum
+				pattern.append("second");
+				break;
+			case WEEK:
+				pattern.append("day");
+				break;
+			case QUARTER:
+				pattern.append("month");
+				break;
+			default:
+				pattern.append( "?1" );
+		}
+		pattern.append("(4) as bigint)");
+		switch (unit) {
+			case WEEK:
+				pattern.append("/7");
+				break;
+			case QUARTER:
+				pattern.append("/3");
+				break;
+			case NANOSECOND:
+				pattern.append("*1e9");
+				break;
+		}
+		return pattern.toString();
+	}
+
+	@Override
+	public String timestampaddPattern(TemporalUnit unit, TemporalType temporalType, IntervalType intervalType) {
+		//TODO: TOTALLY UNTESTED CODE!
+		switch ( unit ) {
+			case NANOSECOND:
+				return "(?3+(?2)/1e9*interval '1' second)";
+			case NATIVE:
+				return "(?3+(?2)*interval '1' second)";
+			case QUARTER:
+				return "(?3+(?2)*interval '3' month)";
+			case WEEK:
+				return "(?3+(?2)*interval '7' day)";
+			default:
+				return "(?3+(?2)*interval '1' ?1)";
+		}
+	}
+
+	@Override
+	public void initializeFunctionRegistry(FunctionContributions functionContributions) {
+		super.initializeFunctionRegistry(functionContributions);
+		final BasicTypeRegistry basicTypeRegistry = functionContributions.getTypeConfiguration().getBasicTypeRegistry();
+		final BasicType<String> stringType = basicTypeRegistry.resolve( StandardBasicTypes.STRING );
+
+		CommonFunctionFactory functionFactory = new CommonFunctionFactory(functionContributions);
+		functionFactory.concat_pipeOperator();
+		functionFactory.octetLength();
+		functionFactory.moreHyperbolic();
+		functionFactory.instr();
+		functionFactory.substr();
+		functionFactory.substring_substr();
+		//also natively supports ANSI-style substring()
+		functionFactory.position();
+		functionFactory.bitLength_pattern( "octet_length(cast(?1 as char))*4" );
+
+		functionContributions.getFunctionRegistry().patternDescriptorBuilder( "mod", "(?1 mod ?2)" )
+				.setInvariantType( stringType )
+				.setExactArgumentCount( 2 )
+				.register();
+
+		if ( getVersion().isSameOrAfter( 14 ) ) {
+
+			//list actually taken from Teradata 15 docs
+			functionFactory.lastDay();
+			functionFactory.initcap();
+			functionFactory.trim2();
+			functionFactory.soundex();
+			functionFactory.ascii();
+			functionFactory.char_chr();
+			functionFactory.trunc();
+			functionFactory.moreHyperbolic();
+			functionFactory.monthsBetween();
+			functionFactory.addMonths();
+			functionFactory.stddevPopSamp();
+			functionFactory.varPopSamp();
+		}
+
+		// No idea since when this is supported
+		functionFactory.windowFunctions();
+		functionFactory.inverseDistributionOrderedSetAggregates();
+		functionFactory.hypotheticalOrderedSetAggregates();
+	}
+
+	/**
+	 * Does this dialect support the {@code FOR UPDATE} syntax?
+	 *
+	 * @return empty string ... Teradata does not support {@code FOR UPDATE} syntax
+	 */
+	@Override
+	public String getForUpdateString() {
+		return "";
+	}
+
+	@Override
+	public String getAddColumnString() {
+		return getVersion().isBefore( 14 ) ? super.getAddColumnString() : "add";
+	}
+
+	@Override
+	public SqmMultiTableMutationStrategy getFallbackSqmMutationStrategy(
+			EntityMappingType rootEntityDescriptor,
+			RuntimeModelCreationContext runtimeModelCreationContext) {
+		return new GlobalTemporaryTableMutationStrategy(
+				TemporaryTable.createIdTable(
+						rootEntityDescriptor,
+						basename -> TemporaryTable.ID_TABLE_PREFIX + basename,
+						this,
+						runtimeModelCreationContext
+				),
+				runtimeModelCreationContext.getSessionFactory()
+		);
+	}
+
+	@Override
+	public SqmMultiTableInsertStrategy getFallbackSqmInsertStrategy(
+			EntityMappingType rootEntityDescriptor,
+			RuntimeModelCreationContext runtimeModelCreationContext) {
+		return new GlobalTemporaryTableInsertStrategy(
+				TemporaryTable.createEntityTable(
+						rootEntityDescriptor,
+						name -> TemporaryTable.ENTITY_TABLE_PREFIX + name,
+						this,
+						runtimeModelCreationContext
+				),
+				runtimeModelCreationContext.getSessionFactory()
+		);
+	}
+
+	@Override
+	public TemporaryTableKind getSupportedTemporaryTableKind() {
+		return TemporaryTableKind.GLOBAL;
+	}
+
+	@Override
+	public String getTemporaryTableCreateOptions() {
+		return "on commit preserve rows";
+	}
+
+	@Override
+	public int getMaxAliasLength() {
+		// Max identifier length is 30, but Hibernate needs to add "uniqueing info" so we account for that
+		return 20;
+	}
+
+	@Override
+	public int getMaxIdentifierLength() {
+		return 30;
+	}
+
+	@Override
+	public boolean supportsCascadeDelete() {
+		return false;
+	}
+
+	@Override
+	public boolean supportsCircularCascadeDeleteConstraints() {
+		return false;
+	}
+
+	@Override
+	public boolean supportsTupleDistinctCounts() {
+		return false;
+	}
+
+	@Override
+	public boolean supportsExistsInSelect() {
+		return false;
+	}
+
+	@Override
+	public boolean supportsOrderByInSubquery() {
+		// This is just a guess
+		return false;
+	}
+
+	@Override
+	public boolean supportsWindowFunctions() {
+		return getVersion().isSameOrAfter( 16, 10 );
+	}
+
+	@Override
+	public String getSelectClauseNullString(int sqlType, TypeConfiguration typeConfiguration) {
+		String v = "null";
+
+		switch ( sqlType ) {
+			case Types.BIT:
+			case Types.TINYINT:
+			case Types.SMALLINT:
+			case Types.INTEGER:
+			case Types.BIGINT:
+			case Types.FLOAT:
+			case Types.REAL:
+			case Types.DOUBLE:
+			case Types.NUMERIC:
+			case Types.DECIMAL:
+				v = "cast(null as decimal)";
+				break;
+			case Types.CHAR:
+			case Types.VARCHAR:
+			case Types.LONGVARCHAR:
+				v = "cast(null as varchar(255))";
+				break;
+			case Types.DATE:
+			case Types.TIME:
+			case Types.TIMESTAMP:
+			case Types.TIMESTAMP_WITH_TIMEZONE:
+				v = "cast(null as timestamp)";
+				break;
+			case Types.BINARY:
+			case Types.VARBINARY:
+			case Types.LONGVARBINARY:
+			case Types.NULL:
+			case Types.OTHER:
+			case Types.JAVA_OBJECT:
+			case Types.DISTINCT:
+			case Types.STRUCT:
+			case Types.ARRAY:
+			case Types.BLOB:
+			case Types.CLOB:
+			case Types.REF:
+			case Types.DATALINK:
+			case Types.BOOLEAN:
+				break;
+		}
+		return v;
+	}
+
+	@Override
+	public boolean supportsUnboundedLobLocatorMaterialization() {
+		return false;
+	}
+
+	@Override
+	public String getCreateMultisetTableString() {
+		return "create multiset table ";
+	}
+
+	@Override
+	public boolean supportsLobValueChangePropagation() {
+		return false;
+	}
+
+	@Override
+	public boolean doesReadCommittedCauseWritersToBlockReaders() {
+		return true;
+	}
+
+	@Override
+	public boolean doesRepeatableReadCauseReadersToBlockWriters() {
+		return true;
+	}
+
+	@Override
+	public boolean supportsBindAsCallableArgument() {
+		return false;
+	}
+
+	@Override
+	public int getInExpressionCountLimit() {
+		return PARAM_LIST_SIZE_LIMIT;
+	}
+
+	@Override
+	public int registerResultSetOutParameter(CallableStatement statement, int col) throws SQLException {
+		statement.registerOutParameter( col, Types.REF );
+		col++;
+		return col;
+	}
+
+	@Override
+	public ResultSet getResultSet(CallableStatement cs) throws SQLException {
+		boolean isResultSet = cs.execute();
+		while ( !isResultSet && cs.getUpdateCount() != -1 ) {
+			isResultSet = cs.getMoreResults();
+		}
+		return cs.getResultSet();
+	}
+
+	@Override
+	public ViolatedConstraintNameExtractor getViolatedConstraintNameExtractor() {
+		return getVersion().isBefore( 14 ) ? super.getViolatedConstraintNameExtractor() : EXTRACTOR;
+	}
+
+	private static final ViolatedConstraintNameExtractor EXTRACTOR =
+			new TemplatedViolatedConstraintNameExtractor( sqle -> {
+				String constraintName;
+				switch ( sqle.getErrorCode() ) {
+					case 27003:
+						constraintName = extractUsingTemplate( "Unique constraint (", ") violated.", sqle.getMessage() );
+						break;
+					case 2700:
+						constraintName = extractUsingTemplate( "Referential constraint", "violation:", sqle.getMessage() );
+						break;
+					case 5317:
+						constraintName = extractUsingTemplate( "Check constraint (", ") violated.", sqle.getMessage() );
+						break;
+					default:
+						return null;
+				}
+
+				if ( constraintName != null ) {
+					int i = constraintName.indexOf( '.' );
+					if ( i != -1 ) {
+						constraintName = constraintName.substring( i + 1 );
+					}
+				}
+				return constraintName;
+			} );
+
+	@Override
+	public boolean supportsLockTimeouts() {
+		return false;
+	}
+
+	@Override
+	public boolean supportsNoWait() {
+		return true;
+	}
+
+	@Override
+	public boolean supportsWait() {
+		return false;
+	}
+
+	@Override
+	public boolean useFollowOnLocking(String sql, QueryOptions queryOptions) {
+		return getVersion().isSameOrAfter( 14 );
+	}
+
+	@Override
+	public String getWriteLockString(int timeout) {
+		if ( getVersion().isBefore( 14 ) ) {
+			return super.getWriteLockString( timeout );
+		}
+		String sMsg = " Locking row for write ";
+		if ( timeout == LockOptions.NO_WAIT ) {
+			return sMsg + " nowait ";
+		}
+		return sMsg;
+	}
+
+	@Override
+	public String getReadLockString(int timeout) {
+		if ( getVersion().isBefore( 14 ) ) {
+			return super.getReadLockString( timeout );
+		}
+		String sMsg = " Locking row for read  ";
+		if ( timeout == LockOptions.NO_WAIT ) {
+			return sMsg + " nowait ";
+		}
+		return sMsg;
+	}
+
+	@Override
+	public Exporter<Index> getIndexExporter() {
+		return new TeradataIndexExporter(this);
+	}
+
+	private static class TeradataIndexExporter extends StandardIndexExporter implements Exporter<Index> {
+
+		private TeradataIndexExporter(Dialect dialect) {
+			super(dialect);
+		}
+
+		@Override
+		public String[] getSqlCreateStrings(Index index, Metadata metadata, SqlStringGenerationContext context) {
+			QualifiedTableName qualifiedTableName = index.getTable().getQualifiedTableName();
+			final String tableName = context.format( qualifiedTableName );
+
+			final String indexNameForCreation;
+			if ( getDialect().qualifyIndexName() ) {
+				indexNameForCreation = context.format(
+						new QualifiedNameImpl(
+								qualifiedTableName.getCatalogName(),
+								qualifiedTableName.getSchemaName(),
+								Identifier.toIdentifier( index.getName() )
+						)
+				);
+			}
+			else {
+				indexNameForCreation = index.getName();
+			}
+
+			final StringBuilder columnList = new StringBuilder();
+			boolean first = true;
+			for ( Column column : index.getColumns() ) {
+				if ( first ) {
+					first = false;
+				}
+				else {
+					columnList.append( ", " );
+				}
+				columnList.append( column.getName() );
+			}
+
+			return new String[] {
+					"create index " + indexNameForCreation
+							+ "(" + columnList + ") on " + tableName
+			};
+		}
+	}
+
+	@Override
+	public IdentityColumnSupport getIdentityColumnSupport() {
+		return getVersion().isBefore( 14 )
+				? super.getIdentityColumnSupport()
+				: Teradata14IdentityColumnSupport.INSTANCE;
+	}
+
+	@Override
+	public String applyLocksToSql(String sql, LockOptions aliasedLockOptions, Map<String, String[]> keyColumnNames) {
+		return getVersion().isBefore( 14 )
+				? super.applyLocksToSql( sql, aliasedLockOptions, keyColumnNames )
+				: new ForUpdateFragment( this, aliasedLockOptions, keyColumnNames ).toFragmentString() + " " + sql;
+	}
+
+	@Override
+	public LimitHandler getLimitHandler() {
+		return new TopLimitHandler( false );
+	}
+
+}
diff --git a/hibernate-community-dialects/src/test/java/org/hibernate/community/dialect/CommunityDialectSelectorTest.java b/hibernate-community-dialects/src/test/java/org/hibernate/community/dialect/CommunityDialectSelectorTest.java
index a5898270b69a..9167514d611f 100644
--- a/hibernate-community-dialects/src/test/java/org/hibernate/community/dialect/CommunityDialectSelectorTest.java
+++ b/hibernate-community-dialects/src/test/java/org/hibernate/community/dialect/CommunityDialectSelectorTest.java
@@ -24,7 +24,7 @@ public void verifyAllDialectNamingResolve() {
 		testDialectNamingResolution( MimerSQLDialect.class );
 
 		testDialectNamingResolution( SybaseAnywhereDialect.class );
-
+		testDialectNamingResolution( TeradataDialect.class );
 		testDialectNamingResolution( TimesTenDialect.class );
 		testDialectNamingResolution( SingleStoreDialect.class );
 		testDialectNamingResolution( DerbyDialect.class );