1. SQL Exercise a) Write the SQL Command [//WRITE CODE HERE] name, salary, department [//WRITE CODE HERE] employees_table [//WRITE CODE HERE] start_date >= “2019-01-01"; b) The table and following SQL command will result in how many rows? Invoices Invoice_id date amount 001-8 2019-10-02 35000 001-9 2019-10-02 47000 001-10 2019-10-03 23000 001-11 2019-10-04 10000 SQL SELECT * FROM invoices WHERE invoice_id < "001-10"; a. 0 rows b. 1 row c. 2 rows d. 3 rows c) The following table and SQL command will result in how many rows? catalogs item Full_price sale_price Apple 25 NULL Pizza NULL NULL Cake 120 90 Juice 45 45 SQL SELECT * FROM catalogs WHERE sale_price IS NULL; a. 1 row b. C. 2 rows 3 rows
1. SQL Exercise a) Write the SQL Command [//WRITE CODE HERE] name, salary, department [//WRITE CODE HERE] employees_table [//WRITE CODE HERE] start_date >= “2019-01-01"; b) The table and following SQL command will result in how many rows? Invoices Invoice_id date amount 001-8 2019-10-02 35000 001-9 2019-10-02 47000 001-10 2019-10-03 23000 001-11 2019-10-04 10000 SQL SELECT * FROM invoices WHERE invoice_id < "001-10"; a. 0 rows b. 1 row c. 2 rows d. 3 rows c) The following table and SQL command will result in how many rows? catalogs item Full_price sale_price Apple 25 NULL Pizza NULL NULL Cake 120 90 Juice 45 45 SQL SELECT * FROM catalogs WHERE sale_price IS NULL; a. 1 row b. C. 2 rows 3 rows
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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