diff --git a/pkg/query-service/app/clickhouseReader/options.go b/pkg/query-service/app/clickhouseReader/options.go
index ebbee2a7b8..71388ad1ee 100644
--- a/pkg/query-service/app/clickhouseReader/options.go
+++ b/pkg/query-service/app/clickhouseReader/options.go
@@ -28,6 +28,7 @@ const (
 	defaultSpansTable              string        = "distributed_signoz_spans"
 	defaultDependencyGraphTable    string        = "distributed_dependency_graph_minutes_v2"
 	defaultTopLevelOperationsTable string        = "distributed_top_level_operations"
+	defaultSpanAttributeTable      string        = "distributed_span_attributes"
 	defaultLogsDB                  string        = "signoz_logs"
 	defaultLogsTable               string        = "distributed_logs"
 	defaultLogsLocalTable          string        = "logs"
@@ -63,6 +64,7 @@ type namespaceConfig struct {
 	UsageExplorerTable      string
 	SpansTable              string
 	ErrorTable              string
+	SpanAttributeTable      string
 	DependencyGraphTable    string
 	TopLevelOperationsTable string
 	LogsDB                  string
@@ -132,6 +134,7 @@ func NewOptions(datasource string, primaryNamespace string, otherNamespaces ...s
 			DurationTable:           defaultDurationTable,
 			UsageExplorerTable:      defaultUsageExplorerTable,
 			SpansTable:              defaultSpansTable,
+			SpanAttributeTable:      defaultSpanAttributeTable,
 			DependencyGraphTable:    defaultDependencyGraphTable,
 			TopLevelOperationsTable: defaultTopLevelOperationsTable,
 			LogsDB:                  defaultLogsDB,
diff --git a/pkg/query-service/app/clickhouseReader/reader.go b/pkg/query-service/app/clickhouseReader/reader.go
index 39c84b93b8..1b0b771139 100644
--- a/pkg/query-service/app/clickhouseReader/reader.go
+++ b/pkg/query-service/app/clickhouseReader/reader.go
@@ -95,6 +95,7 @@ type ClickHouseReader struct {
 	errorTable              string
 	usageExplorerTable      string
 	SpansTable              string
+	spanAttributeTable      string
 	dependencyGraphTable    string
 	topLevelOperationsTable string
 	logsDB                  string
@@ -145,6 +146,7 @@ func NewReader(localDB *sqlx.DB, configFile string, featureFlag interfaces.Featu
 		usageExplorerTable:      options.primary.UsageExplorerTable,
 		durationTable:           options.primary.DurationTable,
 		SpansTable:              options.primary.SpansTable,
+		spanAttributeTable:      options.primary.SpanAttributeTable,
 		dependencyGraphTable:    options.primary.DependencyGraphTable,
 		topLevelOperationsTable: options.primary.TopLevelOperationsTable,
 		logsDB:                  options.primary.LogsDB,
@@ -4218,3 +4220,163 @@ func (r *ClickHouseReader) CheckClickHouse(ctx context.Context) error {
 
 	return nil
 }
+
+func (r *ClickHouseReader) GetTraceAggregateAttributes(ctx context.Context, req *v3.AggregateAttributeRequest) (*v3.AggregateAttributeResponse, error) {
+	var query string
+	var err error
+	var rows driver.Rows
+	var response v3.AggregateAttributeResponse
+	where := ""
+	switch req.Operator {
+	case v3.AggregateOperatorCountDistinct:
+		where = "tagKey ILIKE $1"
+	case
+		v3.AggregateOperatorRateSum,
+		v3.AggregateOperatorRateMax,
+		v3.AggregateOperatorRateAvg,
+		v3.AggregateOperatorRate,
+		v3.AggregateOperatorRateMin,
+		v3.AggregateOperatorP05,
+		v3.AggregateOperatorP10,
+		v3.AggregateOperatorP20,
+		v3.AggregateOperatorP25,
+		v3.AggregateOperatorP50,
+		v3.AggregateOperatorP75,
+		v3.AggregateOperatorP90,
+		v3.AggregateOperatorP95,
+		v3.AggregateOperatorP99,
+		v3.AggregateOperatorAvg,
+		v3.AggregateOperatorSum,
+		v3.AggregateOperatorMin,
+		v3.AggregateOperatorMax:
+		where = "tagKey ILIKE $1 AND dataType='float64'"
+	case
+		v3.AggregateOpeatorCount,
+		v3.AggregateOperatorNoOp:
+		return &v3.AggregateAttributeResponse{}, nil
+	default:
+		return nil, fmt.Errorf("unsupported aggregate operator")
+	}
+	query = fmt.Sprintf("SELECT DISTINCT(tagKey), tagType, dataType, isColumn FROM %s.%s WHERE %s", r.TraceDB, r.spanAttributeTable, where)
+	if req.Limit != 0 {
+		query = query + fmt.Sprintf(" LIMIT %d;", req.Limit)
+	}
+	rows, err = r.db.Query(ctx, query, fmt.Sprintf("%%%s%%", req.SearchText))
+
+	if err != nil {
+		zap.S().Error(err)
+		return nil, fmt.Errorf("error while executing query: %s", err.Error())
+	}
+	defer rows.Close()
+
+	var tagKey string
+	var dataType string
+	var tagType string
+	var isColumn bool
+	for rows.Next() {
+		if err := rows.Scan(&tagKey, &tagType, &dataType, &isColumn); err != nil {
+			return nil, fmt.Errorf("error while scanning rows: %s", err.Error())
+		}
+		key := v3.AttributeKey{
+			Key:      tagKey,
+			DataType: v3.AttributeKeyDataType(dataType),
+			Type:     v3.AttributeKeyType(tagType),
+			IsColumn: isColumn,
+		}
+		response.AttributeKeys = append(response.AttributeKeys, key)
+	}
+	return &response, nil
+}
+
+func (r *ClickHouseReader) GetTraceAttributeKeys(ctx context.Context, req *v3.FilterAttributeKeyRequest) (*v3.FilterAttributeKeyResponse, error) {
+
+	var query string
+	var err error
+	var rows driver.Rows
+	var response v3.FilterAttributeKeyResponse
+
+	query = fmt.Sprintf("SELECT DISTINCT(tagKey), tagType, dataType, isColumn FROM %s.%s WHERE tagKey ILIKE $1", r.TraceDB, r.spanAttributeTable)
+
+	if req.Limit != 0 {
+		query = query + fmt.Sprintf(" LIMIT %d;", req.Limit)
+	}
+	rows, err = r.db.Query(ctx, query, fmt.Sprintf("%%%s%%", req.SearchText))
+
+	if err != nil {
+		zap.S().Error(err)
+		return nil, fmt.Errorf("error while executing query: %s", err.Error())
+	}
+	defer rows.Close()
+
+	var tagKey string
+	var dataType string
+	var tagType string
+	var isColumn bool
+	for rows.Next() {
+		if err := rows.Scan(&tagKey, &tagType, &dataType, &isColumn); err != nil {
+			return nil, fmt.Errorf("error while scanning rows: %s", err.Error())
+		}
+		key := v3.AttributeKey{
+			Key:      tagKey,
+			DataType: v3.AttributeKeyDataType(dataType),
+			Type:     v3.AttributeKeyType(tagType),
+			IsColumn: isColumn,
+		}
+		response.AttributeKeys = append(response.AttributeKeys, key)
+	}
+	return &response, nil
+}
+
+func (r *ClickHouseReader) GetTraceAttributeValues(ctx context.Context, req *v3.FilterAttributeValueRequest) (*v3.FilterAttributeValueResponse, error) {
+
+	var query string
+	var err error
+	var rows driver.Rows
+	var attributeValues v3.FilterAttributeValueResponse
+	// if dataType or tagType is not present return empty response
+	if len(req.FilterAttributeKeyDataType) == 0 || len(req.TagType) == 0 || req.FilterAttributeKey == "body" {
+		return &v3.FilterAttributeValueResponse{}, nil
+	}
+	switch req.FilterAttributeKeyDataType {
+	case v3.AttributeKeyDataTypeString:
+		query = fmt.Sprintf("SELECT DISTINCT stringTagValue from %s.%s WHERE tagKey = $1 AND stringTagValue ILIKE $2 AND tagType=$3 limit $4", r.TraceDB, r.spanAttributeTable)
+		rows, err = r.db.Query(ctx, query, req.FilterAttributeKey, fmt.Sprintf("%%%s%%", req.SearchText), req.TagType, req.Limit)
+		if err != nil {
+			zap.S().Error(err)
+			return nil, fmt.Errorf("error while executing query: %s", err.Error())
+		}
+		defer rows.Close()
+
+		var strAttributeValue string
+		for rows.Next() {
+			if err := rows.Scan(&strAttributeValue); err != nil {
+				return nil, fmt.Errorf("error while scanning rows: %s", err.Error())
+			}
+			attributeValues.StringAttributeValues = append(attributeValues.StringAttributeValues, strAttributeValue)
+		}
+	case v3.AttributeKeyDataTypeFloat64, v3.AttributeKeyDataTypeInt64:
+		query = fmt.Sprintf("SELECT DISTINCT float64TagValue from %s.%s where tagKey = $1 AND toString(float64TagValue) ILIKE $2 AND tagType=$3 limit $4", r.TraceDB, r.spanAttributeTable)
+		rows, err = r.db.Query(ctx, query, req.FilterAttributeKey, fmt.Sprintf("%%%s%%", req.SearchText), req.TagType, req.Limit)
+		if err != nil {
+			zap.S().Error(err)
+			return nil, fmt.Errorf("error while executing query: %s", err.Error())
+		}
+		defer rows.Close()
+
+		var numberAttributeValue sql.NullFloat64
+		for rows.Next() {
+			if err := rows.Scan(&numberAttributeValue); err != nil {
+				return nil, fmt.Errorf("error while scanning rows: %s", err.Error())
+			}
+			if numberAttributeValue.Valid {
+				attributeValues.NumberAttributeValues = append(attributeValues.NumberAttributeValues, numberAttributeValue.Float64)
+			}
+		}
+	case v3.AttributeKeyDataTypeBool:
+		attributeValues.BoolAttributeValues = []bool{true, false}
+	default:
+		return nil, fmt.Errorf("invalid data type")
+	}
+
+	return &attributeValues, nil
+}
diff --git a/pkg/query-service/app/http_handler.go b/pkg/query-service/app/http_handler.go
index 9310cc5ad8..3e0728cc09 100644
--- a/pkg/query-service/app/http_handler.go
+++ b/pkg/query-service/app/http_handler.go
@@ -2370,7 +2370,7 @@ func (aH *APIHandler) autocompleteAggregateAttributes(w http.ResponseWriter, r *
 	case v3.DataSourceLogs:
 		response, err = aH.reader.GetLogAggregateAttributes(r.Context(), req)
 	case v3.DataSourceTraces:
-		// TODO: implement
+		response, err = aH.reader.GetTraceAggregateAttributes(r.Context(), req)
 	default:
 		RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("invalid data source")}, nil)
 		return
@@ -2399,7 +2399,7 @@ func (aH *APIHandler) autoCompleteAttributeKeys(w http.ResponseWriter, r *http.R
 	case v3.DataSourceLogs:
 		response, err = aH.reader.GetLogAttributeKeys(r.Context(), req)
 	case v3.DataSourceTraces:
-		// TODO: implement
+		response, err = aH.reader.GetTraceAttributeKeys(r.Context(), req)
 	default:
 		RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("invalid data source")}, nil)
 		return
@@ -2428,7 +2428,7 @@ func (aH *APIHandler) autoCompleteAttributeValues(w http.ResponseWriter, r *http
 	case v3.DataSourceLogs:
 		response, err = aH.reader.GetLogAttributeValues(r.Context(), req)
 	case v3.DataSourceTraces:
-		// TODO: implement
+		response, err = aH.reader.GetTraceAttributeValues(r.Context(), req)
 	default:
 		RespondError(w, &model.ApiError{Typ: model.ErrorBadData, Err: fmt.Errorf("invalid data source")}, nil)
 		return
diff --git a/pkg/query-service/interfaces/interface.go b/pkg/query-service/interfaces/interface.go
index 78d4031724..1393e28406 100644
--- a/pkg/query-service/interfaces/interface.go
+++ b/pkg/query-service/interfaces/interface.go
@@ -35,6 +35,9 @@ type Reader interface {
 	// clickhouse only.
 	GetDisks(ctx context.Context) (*[]model.DiskItem, *model.ApiError)
 	GetSpanFilters(ctx context.Context, query *model.SpanFilterParams) (*model.SpanFiltersResponse, *model.ApiError)
+	GetTraceAggregateAttributes(ctx context.Context, req *v3.AggregateAttributeRequest) (*v3.AggregateAttributeResponse, error)
+	GetTraceAttributeKeys(ctx context.Context, req *v3.FilterAttributeKeyRequest) (*v3.FilterAttributeKeyResponse, error)	
+	GetTraceAttributeValues(ctx context.Context, req *v3.FilterAttributeValueRequest) (*v3.FilterAttributeValueResponse, error)
 	GetTagFilters(ctx context.Context, query *model.TagFilterParams) (*model.TagFilters, *model.ApiError)
 	GetTagValues(ctx context.Context, query *model.TagFilterParams) (*model.TagValues, *model.ApiError)
 	GetFilteredSpans(ctx context.Context, query *model.GetFilteredSpansParams) (*model.GetFilterSpansResponse, *model.ApiError)
diff --git a/pkg/query-service/model/v3/v3.go b/pkg/query-service/model/v3/v3.go
index c1dddc60f6..7c62275dc5 100644
--- a/pkg/query-service/model/v3/v3.go
+++ b/pkg/query-service/model/v3/v3.go
@@ -221,7 +221,7 @@ func (q AttributeKeyDataType) Validate() error {
 	case AttributeKeyDataTypeString, AttributeKeyDataTypeInt64, AttributeKeyDataTypeFloat64, AttributeKeyDataTypeBool:
 		return nil
 	default:
-		return fmt.Errorf("invalid tag type: %s", q)
+		return fmt.Errorf("invalid tag data type: %s", q)
 	}
 }