SQL for Database Construction What is an advantage of placing computations in SQL views? To accomplish both of the above. To ensure that the results are consistent. None of these To save users from having to write an expression. To accomplish both of the above. To ensure that the results are consistent. None of these To save users from having to write an expression. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL ALTER statement can be used to: change the table structure. delete rows from the table. change the table data. add rows to the table. change the table structure. delete rows from the table. change the table data. add rows to the table. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Which of the following is NOT a type of SQL constraint? PRIMARY KEY ALTERNATE KEY UNIQUE FOREIGN KEY PRIMARY KEY ALTERNATE KEY UNIQUE FOREIGN KEY ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL CHECK constraint is fully defined by the SQL-92 standard, and is consistently implemented by all DBMS vendors. False True False True ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction When using the SQL INSERT statement: rows can be modified according to criteria only. rows cannot be copied in mass from one table to another only. rows can be inserted into a table only one at a time only. rows can either be inserted into a table one at a time or in groups. rows can be modified according to criteria only. rows cannot be copied in mass from one table to another only. rows can be inserted into a table only one at a time only. rows can either be inserted into a table one at a time or in groups. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Views can be used to show the results of computed columns. False True False True ANSWER DOWNLOAD EXAMIANS APP
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