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 A view is which of the following? A virtual table that cannot be accessed via SQL commands A base table that cannot be accessed via SQL commands A base table that can be accessed via SQL commands A virtual table that can be accessed via SQL commands A virtual table that cannot be accessed via SQL commands A base table that cannot be accessed via SQL commands A base table that can be accessed via SQL commands A virtual table that can be accessed via SQL commands ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The SQL statement: SELECT Number1 + Number 2 AS Total FROM NUMBER_TABLE; adds two numbers from each row together and lists the results in a column named Total. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The benefits of a standard relational language include which of the following? Reduced training costs All of these Increased dependence on a single vendor Applications are not needed Reduced training costs All of these Increased dependence on a single vendor Applications are not needed ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which SQL statement is used to delete data FROM a database? REMOVE DELETE ALTER COLLAPSE REMOVE DELETE ALTER COLLAPSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL A dynamic view is one whose contents materialize when referenced. False True False True ANSWER DOWNLOAD EXAMIANS APP
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