Introduction to SQL ON UPDATE CASCADE ensures which of the following? Materialized Views Normalization All of these Data Integrity Materialized Views Normalization All of these Data Integrity ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? REMOVE DELETE COLLAPSE ALTER REMOVE DELETE COLLAPSE ALTER ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following group functions ignore NULL values? All of these COUNT MAX SUM All of these COUNT MAX SUM ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL 'AS' clause is used in SQL for Join operation. Projection operation. Rename operation. Selection operation. Join operation. Projection operation. Rename operation. Selection operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL keyword is used to retrieve only unique values? DIFFERENT DISTINCT DISTINCTIVE UNIQUE DIFFERENT DISTINCT DISTINCTIVE UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SELECT statement SELECT 'Hi' FROM DUAL WHERE NULL = NULL; Outputs Hi FLASE TRUE Nothing Hi FLASE TRUE Nothing ANSWER DOWNLOAD EXAMIANS APP