Add adds an ADD update expression to the nillable "left" expression.UpdateBuilder.

AddNames adds names to the nillable "left" expression.ProjectionBuilder.

And adds an AND condition expression to the nillable "left" expression.ConditionBuilder.

Delete adds a DELETE update expression to the nillable "left" expression.UpdateBuilder.

Or adds an OR condition expression to the nillable "left" expression.ConditionBuilder.

Remove adds a Remove update expression to the nillable "left" expression.UpdateBuilder.

Set adds a SET update expression to the nillable "left" expression.UpdateBuilder.