Triggers are stored blocks of code that have to be called in order to operate.
Triggers are stored blocks of code that have to be called in order to operate.
Which of the following statements is true concerning routines and triggers?
Which of the following statements is true concerning routines and triggers?
There should be one condition within the WHERE clause for each pair of tables being joined.
There should be one condition within the WHERE clause for each pair of tables being joined.
The UNION clause is used to combine the output from multiple queries together into a single result table.
The UNION clause is used to combine the output from multiple queries together into a single result table.
ROLLBACK WORK asks SQL to empty the log file.
ROLLBACK WORK asks SQL to empty the log file.
Subqueries can be nested multiple times.
Subqueries can be nested multiple times.
The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T ;
The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T ;
Which of the following is true concerning systems information in an RDBMS?
Which of the following is true concerning systems information in an RDBMS?
Which of the following is true concerning triggers?
Which of the following is true concerning triggers?
Which of the following is true concerning a procedure?
Which of the following is true concerning a procedure?
What type of join is needed when you wish to return rows that do have matching values?
What type of join is needed when you wish to return rows that do have matching values?
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.
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.
Which of the following statements is true concerning subqueries?
Which of the following statements is true concerning subqueries?
The joining technique is useful when data from several relations are to be retrieved and displayed and the relationships are not necessarily nested.
The joining technique is useful when data from several relations are to be retrieved and displayed and the relationships are not necessarily nested.
Embedded SQL is which of the following?
Embedded SQL is which of the following?
With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible.
With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible.
A UNION query is which of the following?
A UNION query is which of the following?
Which of the following is a correlated subquery?
Which of the following is a correlated subquery?
How many tables may be included with a join?
How many tables may be included with a join?
What type of join is needed when you wish to include rows that do not have matching values?
What type of join is needed when you wish to include rows that do not have matching values?
A correlated subquery is where the outer query depends on data from the inner query.
A correlated subquery is where the outer query depends on data from the inner query.
The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T WHERE CUSTOMER_T. CUSTOMER_ID = ORDER_T. CUSTOMER_ID
The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T WHERE CUSTOMER_T. CUSTOMER_ID = ORDER_T. CUSTOMER_ID
The code to create triggers and routines is stored in only one location and is administered centrally.
The code to create triggers and routines is stored in only one location and is administered centrally.
A function returns one value and has only output parameters.
A function returns one value and has only output parameters.
A transaction is the complete set of closely related update commands that must all be done, or none of them done, for the database to remain valid.
A transaction is the complete set of closely related update commands that must all be done, or none of them done, for the database to remain valid.
Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table.
Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table.
A CASE SQL statement is which of the following?
A CASE SQL statement is which of the following?
When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement.
When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement.
Which of the following is one of the basic approaches for joining tables?
Which of the following is one of the basic approaches for joining tables?