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UTA INSY 3304 - Exam 2 - Chapter 7&9 100% Verified Latest Update
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UTA INSY 3304 - Exam 2 - Chapter 7&9 100%Verified Latest Update
Data definition language - ANSWER DDL
Data manipulation language - ANSWER DML
CREAT SCHEMA AUTHORIZATION - ANSWER Creates a database schema
CREATE TABLE - ANSWER Creates a new table in the user's databse schema
NOT NULL - ANSWER Ensures that a column will not have null values
UNIQUE - ANSWER Ensures that a column will not have duplicate values
PRIMARY KEY - ANSWER Defines a primary key for a table
FOREIGN KEY - ANSWER Defines a foreign key for a table
DEFAULT - ANSWER Defines a default value for a column ( when no value is given)
CHECK - ANSWER validates data in an attribute
CREATE INDEX - ANSWER Creates an index for a table
, CREATE VIEW - ANSWER Creates a dynamic subset of rows and column from on or
more tables
ALTER TABLE - ANSWER Modifies a table's definition adds or modifies attributes adds
or removes constraints
CREATE TABLE AS - ANSWER Creates new table based on a query in the schema of
user's database
DROP INDEX - ANSWER Drops an index permanently
DROP VIEW - ANSWER Drops a view permanently
Authentications - ANSWER process that DBMS validates only the registered users can
access the database
Numeric - ANSWER Number( L, D) or Numeric(L, D)
Character - ANSWER Char (L)
Date (DATE) - ANSWER Stores dates in the Julian format
iNSERT: Command to insert data into table - ANSWER INSERT INTO tablename
VALUES();
COMMIT Syntax - ANSWER COMMIT [WORK];
SELECT Syntax - ANSWER Command to list the content
SELECT columnlist FROM tablename;
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