SQL for Database Construction Which of the following is an SQL trigger supported by Oracle? AFTER All of these INSTEAD OF BEFORE AFTER All of these INSTEAD OF BEFORE ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction When using the SQL INSERT statement: rows can be inserted into a table only one at a time only. rows cannot be copied in mass from one table to another 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 can be inserted into a table only one at a time only. rows cannot be copied in mass from one table to another only. rows can either be inserted into a table one at a time or in groups. rows can be modified according to criteria only. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction The SQL ALTER statement can be used to: delete rows from the table. change the table structure. add rows to the table. change the table data. delete rows from the table. change the table structure. add rows to the table. change the table data. ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Standard SQL-92 views are constructed from SQL SELECT statements that do not contain the GROUP BY clause. True False True False ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction What SQL structure is used to limit column values of a table? The LIMIT constraint The CHECK constraint The VALUE constraint None of these The LIMIT constraint The CHECK constraint The VALUE constraint None of these ANSWER DOWNLOAD EXAMIANS APP
SQL for Database Construction Three types of triggers are: BEFORE, AFTER and EXCEPTION. True False True False ANSWER DOWNLOAD EXAMIANS APP
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