diff --git a/clients/bigquery/dialect/ddl.go b/clients/bigquery/dialect/ddl.go
index 0b18440fd..41df8ef88 100644
--- a/clients/bigquery/dialect/ddl.go
+++ b/clients/bigquery/dialect/ddl.go
@@ -24,16 +24,12 @@ func (BigQueryDialect) BuildCreateTableQuery(tableID sql.TableIdentifier, tempor
 	}
 }
 
-func (bd BigQueryDialect) BuildAddColumnQuery(tableID sql.TableIdentifier, sqlPart string) string {
-	return bd.buildAlterColumnQuery(tableID, constants.Add, sqlPart)
+func (BigQueryDialect) BuildAddColumnQuery(tableID sql.TableIdentifier, sqlPart string) string {
+	return fmt.Sprintf("ALTER TABLE %s ADD COLUMN %s", tableID.FullyQualifiedName(), sqlPart)
 }
 
-func (bd BigQueryDialect) BuildDropColumnQuery(tableID sql.TableIdentifier, colName string) string {
-	return bd.buildAlterColumnQuery(tableID, constants.Delete, colName)
-}
-
-func (BigQueryDialect) buildAlterColumnQuery(tableID sql.TableIdentifier, columnOp constants.ColumnOperation, colSQLPart string) string {
-	return fmt.Sprintf("ALTER TABLE %s %s COLUMN %s", tableID.FullyQualifiedName(), columnOp, colSQLPart)
+func (BigQueryDialect) BuildDropColumnQuery(tableID sql.TableIdentifier, colName string) string {
+	return fmt.Sprintf("ALTER TABLE %s DROP COLUMN %s", tableID.FullyQualifiedName(), colName)
 }
 
 func (BigQueryDialect) BuildDescribeTableQuery(tableID sql.TableIdentifier) (string, []interface{}, error) {
diff --git a/clients/bigquery/dialect/dialect_test.go b/clients/bigquery/dialect/dialect_test.go
index f292a4748..06dbce1ee 100644
--- a/clients/bigquery/dialect/dialect_test.go
+++ b/clients/bigquery/dialect/dialect_test.go
@@ -71,7 +71,7 @@ func TestBigQueryDialect_BuildDropColumnQuery(t *testing.T) {
 	fakeTableID.FullyQualifiedNameReturns("{TABLE}")
 
 	assert.Equal(t,
-		"ALTER TABLE {TABLE} drop COLUMN {SQL_PART}",
+		"ALTER TABLE {TABLE} DROP COLUMN {SQL_PART}",
 		BigQueryDialect{}.BuildDropColumnQuery(fakeTableID, "{SQL_PART}"),
 	)
 }
@@ -81,7 +81,7 @@ func TestBigQueryDialect_BuildAddColumnQuery(t *testing.T) {
 	fakeTableID.FullyQualifiedNameReturns("{TABLE}")
 
 	assert.Equal(t,
-		"ALTER TABLE {TABLE} add COLUMN {SQL_PART}",
+		"ALTER TABLE {TABLE} ADD COLUMN {SQL_PART}",
 		BigQueryDialect{}.BuildAddColumnQuery(fakeTableID, "{SQL_PART}"),
 	)
 }
diff --git a/clients/mssql/dialect/ddl.go b/clients/mssql/dialect/ddl.go
index 12e106aaa..c810239f3 100644
--- a/clients/mssql/dialect/ddl.go
+++ b/clients/mssql/dialect/ddl.go
@@ -33,11 +33,11 @@ WHERE
     LOWER(TABLE_NAME) = LOWER(?) AND LOWER(TABLE_SCHEMA) = LOWER(?);`, []any{mssql.VarChar(mssqlTableID.Table()), mssql.VarChar(mssqlTableID.Schema())}, nil
 }
 
-func (md MSSQLDialect) BuildAddColumnQuery(tableID sql.TableIdentifier, sqlPart string) string {
+func (MSSQLDialect) BuildAddColumnQuery(tableID sql.TableIdentifier, sqlPart string) string {
 	return fmt.Sprintf("ALTER TABLE %s ADD %s", tableID.FullyQualifiedName(), sqlPart)
 }
 
-func (md MSSQLDialect) BuildDropColumnQuery(tableID sql.TableIdentifier, colName string) string {
+func (MSSQLDialect) BuildDropColumnQuery(tableID sql.TableIdentifier, colName string) string {
 	return fmt.Sprintf("ALTER TABLE %s DROP %s", tableID.FullyQualifiedName(), colName)
 }
 
diff --git a/clients/redshift/dialect/ddl.go b/clients/redshift/dialect/ddl.go
index d6daa565e..88e8ccbcd 100644
--- a/clients/redshift/dialect/ddl.go
+++ b/clients/redshift/dialect/ddl.go
@@ -40,11 +40,11 @@ WHERE
 `, constants.StrPrecisionCol), []any{redshiftTableID.Schema(), redshiftTableID.Table()}, nil
 }
 
-func (rd RedshiftDialect) BuildAddColumnQuery(tableID sql.TableIdentifier, sqlPart string) string {
+func (RedshiftDialect) BuildAddColumnQuery(tableID sql.TableIdentifier, sqlPart string) string {
 	return fmt.Sprintf("ALTER TABLE %s ADD COLUMN %s", tableID.FullyQualifiedName(), sqlPart)
 }
 
-func (rd RedshiftDialect) BuildDropColumnQuery(tableID sql.TableIdentifier, colName string) string {
+func (RedshiftDialect) BuildDropColumnQuery(tableID sql.TableIdentifier, colName string) string {
 	return fmt.Sprintf("ALTER TABLE %s DROP COLUMN %s", tableID.FullyQualifiedName(), colName)
 }
 
diff --git a/lib/destination/ddl/ddl_bq_test.go b/lib/destination/ddl/ddl_bq_test.go
index a2e5ad98b..7d1dab513 100644
--- a/lib/destination/ddl/ddl_bq_test.go
+++ b/lib/destination/ddl/ddl_bq_test.go
@@ -63,7 +63,7 @@ func (d *DDLTestSuite) TestAlterTableDropColumnsBigQuery() {
 	for _, column := range cols.GetColumns() {
 		assert.NoError(d.T(), shared.AlterTableDropColumns(context.Background(), d.bigQueryStore, tc, tableID, []columns.Column{column}, ts.Add(2*constants.DeletionConfidencePadding), true))
 		_, query, _ := d.fakeBigQueryStore.ExecContextArgsForCall(callIdx)
-		assert.Equal(d.T(), fmt.Sprintf("ALTER TABLE %s drop COLUMN %s", fqName, d.bigQueryStore.Dialect().QuoteIdentifier(column.Name())), query)
+		assert.Equal(d.T(), fmt.Sprintf("ALTER TABLE %s DROP COLUMN %s", fqName, d.bigQueryStore.Dialect().QuoteIdentifier(column.Name())), query)
 		callIdx += 1
 	}
 
@@ -109,7 +109,7 @@ func (d *DDLTestSuite) TestAlterTableAddColumns() {
 		assert.NoError(d.T(), shared.AlterTableAddColumns(context.Background(), d.bigQueryStore, tc, config.SharedDestinationColumnSettings{}, tableID, []columns.Column{col}))
 
 		_, query, _ := d.fakeBigQueryStore.ExecContextArgsForCall(callIdx)
-		assert.Equal(d.T(), fmt.Sprintf("ALTER TABLE %s %s COLUMN %s %s", fqName, constants.Add, d.bigQueryStore.Dialect().QuoteIdentifier(col.Name()),
+		assert.Equal(d.T(), fmt.Sprintf("ALTER TABLE %s ADD COLUMN %s %s", fqName, d.bigQueryStore.Dialect().QuoteIdentifier(col.Name()),
 			d.bigQueryStore.Dialect().DataTypeForKind(kind, false, config.SharedDestinationColumnSettings{})), query)
 		callIdx += 1
 	}
@@ -158,7 +158,7 @@ func (d *DDLTestSuite) TestAlterTableAddColumnsSomeAlreadyExist() {
 
 		assert.NoError(d.T(), shared.AlterTableAddColumns(context.Background(), d.bigQueryStore, tc, config.SharedDestinationColumnSettings{}, tableID, []columns.Column{column}))
 		_, query, _ := d.fakeBigQueryStore.ExecContextArgsForCall(callIdx)
-		assert.Equal(d.T(), fmt.Sprintf("ALTER TABLE %s %s COLUMN %s %s", fqName, constants.Add, d.bigQueryStore.Dialect().QuoteIdentifier(column.Name()),
+		assert.Equal(d.T(), fmt.Sprintf("ALTER TABLE %s ADD COLUMN %s %s", fqName, d.bigQueryStore.Dialect().QuoteIdentifier(column.Name()),
 			d.bigQueryStore.Dialect().DataTypeForKind(column.KindDetails, false, config.SharedDestinationColumnSettings{})), query)
 		callIdx += 1
 	}