Introduction to SQL 'AS' clause is used in SQL for Projection operation. Selection operation. Rename operation. Join operation. Projection operation. Selection operation. Rename operation. Join operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Most companies keep at least two versions of any database they are using. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following do you need to consider when you make a table in SQL? Default values Primary keys Data types All of these Default values Primary keys Data types All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is a view? None of these A view is a database diagram. A view is a special stored procedure executed when certain event occurs. A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are. None of these A view is a database diagram. A view is a special stored procedure executed when certain event occurs. A view is a virtual table which results of executing a pre-compiled query. A view is not part of the physical database schema, while the regular tables are. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following join is also called as an 'inner-join'? Equijoin None of these Non-Equijoin Self-Join Equijoin None of these Non-Equijoin Self-Join ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The FROM SQL clause is used to... None of these specify range for search condition specify what table we are selecting or deleting data FROM specify search condition None of these specify range for search condition specify what table we are selecting or deleting data FROM specify search condition ANSWER DOWNLOAD EXAMIANS APP
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