PL/SQL raises the predefined exception NO_DATA_FOUND if a SELECT INTO statement returns no rows

which statement(s) does the following If @variable is NULL return '5', else return @variable

Below is not in the steps to build the Dataware House :

Process in which data from disparate, homogeneous or heterogeneous systems is cleansed, aggregated, consolidated, de-normalized and loaded into a single database or data warehouse after applying business rules is :

Can you convert a snowflake schema in to star schema?

Is Data modelling and Dimensional modelling same?

Another name for the EXCEPT operator is __________.

CREATE SET TABLE A (A Integer, B Integer) Unique Primary Index (A) INSERT INTO Table A (1, 2) INSERT INTO Table A (1, 1) UPDATE Table A SET b = b + 1 WHERE b = 1. Which statement is correct?

In a Join, when is the ON clause required?

What is the result of the following SQL statement? SELECT INDEX (SUBSTRING ('RALPH JOHNSON' FROM 6 FOR 5), 'OHN');

Which type of table provides the DDL, but does not share the data

Which commands do the same thing?

Which operator works like an OUTER JOIN?

Which function return NULL when X = Y and X when it does not?