Introduction to SQL You can add a row using SQL in a database with which of the following? ADD INSERT MAKE CREATE ADD INSERT MAKE CREATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL 'AS' clause is used in SQL for Selection operation. Projection operation. Join operation. Rename operation. Selection operation. Projection operation. Join operation. Rename operation. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL What is a view? 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. A view is a special stored procedure executed when certain event occurs. None of these A view is a database diagram. 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. A view is a special stored procedure executed when certain event occurs. None of these A view is a database diagram. ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is illegal? None of these SELECT SYSDATE - SYSDATE FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; None of these SELECT SYSDATE - SYSDATE FROM DUAL; SELECT SYSDATE - (SYSDATE + 2) FROM DUAL; SELECT SYSDATE - (SYSDATE - 2) FROM DUAL; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Each index consumes extra storage space and also requires overhead maintenance time whenever indexed data change value. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which of the following is the original purpose of SQL? To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language To define the data structures All of these To specify the syntax and semantics of SQL data definition language To specify the syntax and semantics of SQL manipulation language To define the data structures All of these ANSWER DOWNLOAD EXAMIANS APP
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