References Mallings 28 - in my SQL with innoDB how are the primary and secondary indexes created? a) primary indexes are automatically created for each primary key. Secondary indexes are created manually for the foreign keys. b) primary indexes are manually created for each primary keys. All the secondary indexes are created automatically. c) primary indexes are automatically created for primary key secondary indexes are created automatically for the foreign keys. d) Primary indexes are manually created for each primary key secondary index are men created manually for each foreign key.

References Mallings 28 - in my SQL with innoDB how are the primary and secondary indexes created? a) primary indexes are automatically created for each primary key. Secondary indexes are created manually for the foreign keys. b) primary indexes are manually created for each primary keys. All the secondary indexes are created automatically. c) primary indexes are automatically created for primary key secondary indexes are created automatically for the foreign keys. d) Primary indexes are manually created for each primary key secondary index are men created manually for each foreign key.

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter5: Data Manipulation And Transaction Control

Section: Chapter Questions

Problem 1MC: Which of the following is a correct statement? a. A commit is issued implicitly when a user exits...

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Write the two SQL command sequences required to: a.Create a temporary table named TEMP_1 whose structure is composed of the EMP_2 attributes EMP_NUM and EMP_PCT. b.Copy the matching EMP_2 values into the TEMP_1 table.
Which of the following is a correct statement? a. A commit is issued implicitly when a user exits SQL Developer or SQLPlus. b. A commit is issued implicitly when a DDL command is executed. c. A commit is issued automatically when a DML command is executed. d. All of the above are correct. e. Both a and b are correct. f. Both a and c are correct.
MC 2 . Write an Anonymous PL/SQL block that will insert five records into the database; the records must include the "jpeg" binary files that contains the photographs associated with each record. One technique would be, Create BFILE locators for each of the image files Create 5 INSERT statements into the table CREATE TABLE StudentRecord ( FirstName VARCHAR2 (20) NOT NULL, LastName VARCHAR2 (40) NOT NULL, HomeworkAvg NUMBER(10,2), AttendanceAvg NUMBER (20,2), ExamAvg NUMBER (10,2), StudentID VARCHAR2 (10),
2.1 In the table above, Vanesa’s last name was omitted. Write an SQL query to add the lastname. Assume the last name is ‘Johnson’ 2.2 John Silas is an employee in a Logistics company with ID = 02361. He was newly promotedwith an increase of R2000 on his salary. Write an SQL query to update his record in thestafflist table 2.3 An alias provides a mechanism to rename a column or an expression. Under whatconditions should you enclose an alias in double quotes?
/* Created with SQL Script Builder v.1.5 */ /* Type of SQL : SQL Server */ CREATE TABLE EMPLOYEE ( EMP_CODE int, EMP_TITLE varchar(4), EMP_LNAME varchar(15), EMP_FNAME varchar(15), EMP_INITIAL varchar(1), EMP_DOB datetime, JOB_CODE varchar(5), STORE_CODE int ); INSERT INTO EMPLOYEE VALUES('1','Mr.','Williamson','John','W','5/21/1964','SEC','3'); INSERT INTO EMPLOYEE VALUES('2','Ms.','Ratula','Nancy','','2/9/1969','MGR','2'); INSERT INTO EMPLOYEE VALUES('3','Ms.','Greenboro','Lottie','R','10/2/1961','GEN','4'); INSERT INTO EMPLOYEE VALUES('4','Mrs.','Rumpersfro','Jennie','S','6/1/1971','GEN','5'); INSERT INTO EMPLOYEE VALUES('5','Mr.','Smith','Robert','L','11/23/1959','GEN','3'); INSERT INTO EMPLOYEE VALUES('6','Mr.','Renselaer','Cary','A','12/25/1965','GEN','1'); INSERT INTO EMPLOYEE VALUES('7','Mr.','Ogallo','Roberto','S','7/31/1962','MGR','3'); INSERT INTO EMPLOYEE VALUES('8','Ms.','Johnsson','Elizabeth','I','9/10/1968','SEC','1'); INSERT INTO EMPLOYEE…
/* Created with SQL Script Builder v.1.5 */ /* Type of SQL : SQL Server */ CREATE TABLE EMPLOYEE ( EMP_CODE int, EMP_TITLE varchar(4), EMP_LNAME varchar(15), EMP_FNAME varchar(15), EMP_INITIAL varchar(1), EMP_DOB datetime, JOB_CODE varchar(5), STORE_CODE int ); INSERT INTO EMPLOYEE VALUES('1','Mr.','Williamson','John','W','5/21/1964','SEC','3'); INSERT INTO EMPLOYEE VALUES('2','Ms.','Ratula','Nancy','','2/9/1969','MGR','2'); INSERT INTO EMPLOYEE VALUES('3','Ms.','Greenboro','Lottie','R','10/2/1961','GEN','4'); INSERT INTO EMPLOYEE VALUES('4','Mrs.','Rumpersfro','Jennie','S','6/1/1971','GEN','5'); INSERT INTO EMPLOYEE VALUES('5','Mr.','Smith','Robert','L','11/23/1959','GEN','3'); INSERT INTO EMPLOYEE VALUES('6','Mr.','Renselaer','Cary','A','12/25/1965','GEN','1'); INSERT INTO EMPLOYEE VALUES('7','Mr.','Ogallo','Roberto','S','7/31/1962','MGR','3'); INSERT INTO EMPLOYEE VALUES('8','Ms.','Johnsson','Elizabeth','I','9/10/1968','SEC','1'); INSERT INTO EMPLOYEE…
/* Created with SQL Script Builder v.1.5 */ /* Type of SQL : SQL Server */ CREATE TABLE EMPLOYEE ( EMP_CODE int, EMP_TITLE varchar(4), EMP_LNAME varchar(15), EMP_FNAME varchar(15), EMP_INITIAL varchar(1), EMP_DOB datetime, JOB_CODE varchar(5), STORE_CODE int ); INSERT INTO EMPLOYEE VALUES('1','Mr.','Williamson','John','W','5/21/1964','SEC','3'); INSERT INTO EMPLOYEE VALUES('2','Ms.','Ratula','Nancy','','2/9/1969','MGR','2'); INSERT INTO EMPLOYEE VALUES('3','Ms.','Greenboro','Lottie','R','10/2/1961','GEN','4'); INSERT INTO EMPLOYEE VALUES('4','Mrs.','Rumpersfro','Jennie','S','6/1/1971','GEN','5'); INSERT INTO EMPLOYEE VALUES('5','Mr.','Smith','Robert','L','11/23/1959','GEN','3'); INSERT INTO EMPLOYEE VALUES('6','Mr.','Renselaer','Cary','A','12/25/1965','GEN','1'); INSERT INTO EMPLOYEE VALUES('7','Mr.','Ogallo','Roberto','S','7/31/1962','MGR','3'); INSERT INTO EMPLOYEE VALUES('8','Ms.','Johnsson','Elizabeth','I','9/10/1968','SEC','1'); INSERT INTO EMPLOYEE…
Update this database with the following stored modules and submit the updatedCompanyDB.sql file as your solution. Additionally, provide screenshots for all the code 1. A stored procedure that takes in a department identifier and prints a list of all employeesin that department.2. A stored procedure that lists all employee names that do not have any dependents.3. A function that takes in an employee id and returns the number of hours the employee isworking on all their assigned projects4. A stored procedure that updates the ‘Hours’ field for all employees in the employee tableusing a cursor and the function defined in part 3.5. Triggers that are activated after any inserts, deletes, or updates on the WORKS_ON table.The triggers will update the Hours field in the Employee table to reflect any changes forthe hours worked.6. A stored procedure that lists any employees working less than 20 hours.
I have been trying to get this program to work but every time I fix one area it throws 2 more codes, please show me what I am doing wrong, it is supposed to create a Database, with options to view all, add to, take away, update row, and view individual rows with a loop to repeat. _________ import sqlite3 #Define functions def CreateMemberDB(): conn=sqlite3.connect('Members.db') curs=conn.cursor() #create a table cmd_str=''' CREATE TABLE Member_Info( Name TEXT, Number INT, Phone NUMERIC )''' #send string to DB curs.execute(cmd_str) starting_data = ( ('Anna', 2435, 2345678910), ('Bryan', 2436, 3456789101), ('Claudia', 2437, 4567891012), ('Tom', 2438, 5678911234), ('Dusty', 2439, 6789112345) ) for row in starting_data: cmd_str= ''' INSERT INTO Member_Info(Name, Number, Phone) VALUES(?,?,?) ''' curs.execute(cmd_str, row) conn.commit() conn.close() def GetallMemberInfo(): conn=sqlite3.connect('Members.db') curs=conn.cursor() sql_cmd = 'SELECT ROWID, Name from Member_Info'…
Assistance with SQL statements Previous code; CREATE TABLE Lab4program_piershed ( code VARCHAR(5) PRIMARY KEY, name VARCHAR(20), tel VARCHAR(20));CREATE TABLE Lab4course_xxxx ( cid INT PRIMARY KEY, name VARCHAR(20), credits INT, mycode VARCHAR(5), FOREIGN KEY (mycode) REFERENCES Lab4program_xxxx(code)); 1. Insert 3 records into your Lab4program_xxxx table. The code should be "CPS", "TECH", "MATH", or "BIO". Please copy/paste your SQL statements with the output message in the text that shows you successfully insert 3 records to your table. 2. Insert 4 records into your Lab4course_xxxx table with at least 2 different mycode. Please copy/paste your SQL statements with the output message in the text that shows you successfully insert 4 records to your table.
1. What are the three stages during the startup of an Oracle database? If a copy of the control file is corrupted, which stage of the startup would fail? Briefly explains why. 2. What are the SQL statements to perform the following tasks? Create a smallfile tablespace Hw2Tbs that contains a 32MB datafile in the directory C:\app\abc\oradata\csc544744\myData Add another 8MB to tablespace Hw2Tbs
This assignment is aimed at building an understanding of how to improve performance within databases by taking advantage the computers hardware by modifying MS SQL settings Prerequisites: Completion of Assignment 1B, reading of Module Readings and Slides. Run the following query to understand how much Memory is currently in use in the database: SELECT physical_memory_in_use_kb/1024 AS sql_physical_memory_in_use_MB, large_page_allocations_kb/1024 AS sql_large_page_allocations_MB, locked_page_allocations_kb/1024 AS sql_locked_page_allocations_MB, virtual_address_space_reserved_kb/1024 AS sql_VAS_reserved_MB, virtual_address_space_committed_kb/1024 AS sql_VAS_committed_MB, virtual_address_space_available_kb/1024 AS sql_VAS_available_MB, page_fault_count AS sql_page_fault_count, memory_utilization_percentage AS sql_memory_utilization_percentage, process_physical_memory_low AS sql_process_physical_memory_low, process_virtual_memory_low AS…

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