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Recent questions tagged database

0 votes
1 answer 7 views
All of the following values can be stored in a column that’s defined as decimal(6,2), except A) -246.29 B) 0 C) 2479.95 D) 32492.05 What is the correct answer? Explain in detail why?
asked Jun 11 Hiba Waqar 160 points
1 vote
1 answer 16 views
Problem: I am trying to learn Oracle. I have created two tables their names are Table Employee and Table USER, here is the structure. CREATE TABLE Employee ( ID NUMBER NOT NULL , USERID NUMBER, CONSTRAINT B_PK PRIMARY KEY ( ID ) ENABLE ); CREATE TABLE USER ( ... above error but because of my elementary knowledge on Oracle I am unable to fix it. Kindly guide me in fixing above Oracle error.
asked May 29 Martin K 6.6k points
1 vote
1 answer 16 views
Problem : I am very new to XAMPP, MYSQL and phpMyAdmin. I have the MYSQL table which contains nearly the 7 million records. When I try to access the big table from my phpMyAdmin I always face below error: Fatal error: Maximum execution time of 30 seconds ... a maximum execution time to the maximum possible value. I am very confused about this error so looking for help on this XAMPP error.
asked May 18 Martin K 6.6k points
1 vote
1 answer 30 views
Problem : I am beginner to CodeIgniter, If I try to execute my code then I face below error Object of class ci_db_mysqli_result could not be converted to string . Please find below my code for your reference. class MyReg extends CI_Controller{     function __construct(){ ... my above query in my model but I often face above error. I am looking for CodeIgniter experts help in fixing above error.
asked Apr 21 stewart 4k points
0 votes
2 answers 7 views
Problem: Structured programming embodies a top-down design philosophy.?
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 19 views
Problem: The six clauses of the SELECT statement must be coded in the following order:?
asked Apr 18 ArifulIslam 5k points
0 votes
1 answer 22 views
Problem: The existence of a(n) _____ entity indicates that its minimum cardinality is zero? A) ternary B) optional C) strong D) weak
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 17 views
Problem: In C++, a function prototype is the function heading without the body of the function? True False
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 12 views
Problem: The mkfs command can be issued with what switch in order to specify a filesystem type?
asked Apr 18 ArifulIslam 5k points
0 votes
1 answer 12 views
Problem: In most programming languages, before an application can use a data file, it must ____? A. Prepare the file B. Open the file C. Read the file D. Close the file
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 10 views
Problem: What do database designers use to construct databases?
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 11 views
Problem: ____ methods are methods that exist to be used with an object created from a class?
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 13 views
Problem: The process of breaking down a large program into modules is called ____.?
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 10 views
Problem: Querying the database and generating reports is assisted by the application generation subsystem? True False
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 16 views
Problem: DNS follows a centralized database model, allowing for easier management of DNS records? True False
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 10 views
Problem: Which of the following statements is true regarding the global catalog?​ a. The global catalog facilitates domain log ons between forests b. ​The global catalog only contains information about the domain in which it resides c. ​Only one global catalog exists per forest d. Only a single domain controller can be designated as a global catalog server
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 17 views
Problem: This is a feature of OOP that wraps data attributes and its relevant methods in a bundle? a. polymorphism b. inheritance c. encapsulation d. abstraction
asked Apr 18 ArifulIslam 5k points
0 votes
1 answer 4 views
Problem: Traditional database application programs are written in object-oriented languages like ________?
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 171 views
Problem: What is a group of related fields, called? Tuple Schema Records Files
asked Apr 18 ArifulIslam 5k points
0 votes
2 answers 20 views
Problem: In a database, ________ are grouped into columns? A) fields B) records C) bytes D) files
asked Apr 18 ArifulIslam 5k points