CREATE TABLE AS - ️️Creates a new table based on a query in the user's
database schema
SELECT Syntax - ️️Command to list the content
SELECT columnlist FROM tablename;
Data definition language - ️️DDL
Data manipulation language - ️️DML
CREAT SCHEMA AUTHORIZATION - ️️Creates...
UTA INSY 3304 - Exam 2 - Chapter 7&9
CREATE TABLE AS - ✔️✔️Creates a new table based on a query in the user's
database schema
SELECT Syntax - ✔️✔️Command to list the content
SELECT columnlist FROM tablename;
Data definition language - ✔️✔️DDL
Data manipulation language - ✔️✔️DML
CREAT SCHEMA AUTHORIZATION - ✔️✔️Creates a database schema
CREATE TABLE - ✔️✔️Creates a new table in the user's databse schema
NOT NULL - ✔️✔️Ensures that a column will not have null values
UNIQUE - ✔️✔️Ensures that a column will not have duplicate values
PRIMARY KEY - ✔️✔️Defines a primary key for a table
FOREIGN KEY - ✔️✔️Defines a foreign key for a table
DEFAULT - ✔️✔️Defines a default value for a column ( when no value is give)
CHECK - ✔️✔️validates data in an attribute
CREATE INDEX - ✔️✔️Creates an index for a table
CREATE VIEW - ✔️✔️Creates a dynamic subset of rows and column from on or more
tables
ALTER TABLE - ✔️✔️Modifies a table's definition (adds, modifies, or deletes attributes
or constraints)
DROP INDEX - ✔️✔️Permanently deletes an index
DROP VIEW - ✔️✔️Permanently deletes a view
Authentications - ✔️✔️the process DBMS uses to verify that only registered users
access the database
, Numeric - ✔️✔️Number( L, D) or Numeric(L, D)
Character - ✔️✔️Char (L)
Date (DATE) - ✔️✔️Stores dates in the Julian format
iNSERT: Command to insert data into table - ✔️✔️INSERT INTO tablename
VALUES();
COMMIT Syntax - ✔️✔️COMMIT [WORK];
UPDATE - ✔️✔️Command to modify data
Syntax - UPDATE tablename SET columnname = expression [, columnname =
expression] [WHERE conditionlist];
ROLLBACK - ✔️✔️Syntax -ROLLBACK;
Undoes the changes since last COMMIT
command
DELETE - ✔️✔️Command to delete
Syntax - DELETE FROM tablename
Subquery - ✔️✔️Query embedded/nested inside another query
= - ✔️✔️Equal to
< - ✔️✔️Less than
<= - ✔️✔️less than or equal to
> - ✔️✔️greater than
>= - ✔️✔️Greater than or equal to
<> or != - ✔️✔️Not equal to
Alias - ✔️✔️Alternate name given to a column or table in any SQL statement to
improve the readability
The Rule of Precedence - ✔️✔️Establish the order in which computations are
completed
Performed in this order:
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