Advanced SQL Which of the following is true concerning systems information in an RDBMS? This information can be accessed using SQL. All of these This information often cannot be updated by a user. RDBMS store database definition information in system-created tables. This information can be accessed using SQL. All of these This information often cannot be updated by a user. RDBMS store database definition information in system-created tables. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL The most frequently used relational operation, which brings together data from two or more related tables into one resultant table, is called an equi-join. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL There should be one condition within the WHERE clause for each pair of tables being joined. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Triggers are stored blocks of code that have to be called in order to operate. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is a correlated subquery? Uses the result of an inner query to determine the processing of an inner query. Uses the result of an inner query to determine the processing of an outer query. Uses the result of an outer query to determine the processing of an outer query. Uses the result of an outer query to determine the processing of an inner query. Uses the result of an inner query to determine the processing of an inner query. Uses the result of an inner query to determine the processing of an outer query. Uses the result of an outer query to determine the processing of an outer query. Uses the result of an outer query to determine the processing of an inner query. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is one of the basic approaches for joining tables? Subqueries All of these Union Join Natural join Subqueries All of these Union Join Natural join ANSWER DOWNLOAD EXAMIANS APP
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