'Varchar2' presentation slideshows

Integrity constraints Constraints are used to impose business rules.

Integrity constraints Constraints are used to impose business rules. It allows to enter only valid data. consistent data : satisfies the integrity constraints condition on data that type of data called in consistent data :

711 views • 52 slides

Database Security Lecture 14 Database Encryption

Database Security Lecture 14 Database Encryption. Elisa Bertino bertino@cs.purdue.edu. The problem. How to protect the confidentiality of sensitive data in the database? Sensitive data examples: credit card numbers, medical data, new product specifications, etc.

575 views • 45 slides

DB Modifications

DB Modifications. Modification = insert + delete + update. Insertion of a Tuple INSERT INTO relation VALUES (list of values). Inserts the tuple = list of values, associating values with attributes in the order the attributes were declared.

548 views • 42 slides

DB Modifications

DB Modifications. Modification = insert + delete + update. Insertion of a Tuple INSERT INTO relation VALUES (list of values). Inserts the tuple = list of values, associating values with attributes in the order the attributes were declared.

520 views • 42 slides

AGGREGATE FUNCTIONS

545 views • 20 slides

Introduction to PL/SQL

Introduction to PL/SQL. Introduction to PL/SQL. Procedural Language extension for SQL Oracle Proprietary 3GL Capabilities Integration of SQL Portable within Oracle data bases Callable from any client. Structure of PL/SQL. PL/SQL is Block Structured

365 views • 14 slides

system IS422ABC@dbs

system IS422ABC@dbs. Create user. Create user tot identified by my_password ; Grant connect, resource to tot ; Grant create table to tot ; Alter user tot quota 1M on system;. categories. create table categories ( cat_id char(5), cat_name varchar2(20) not null unique ,

220 views • 13 slides

Implementing PeopleSoft SSO

Implementing PeopleSoft SSO. Computing And Communications. 1. 4. 6. UCR SSO Overview. CAS Server http://auth.ucr.edu. 2. 5. 7. 3. PeopleSoft Application Server. Oracle Stored Function. ( 1 ) https://auth.ucr.edu/cas/login?service=http://ora02.ucr.edu/psp/UCRTM3/?cmd=start

565 views • 12 slides

Partitioned Tables

Partitioned Tables. Partitions / partitioning / partitioned tables For very large tables Improve querying Easier admin Backup and recovery easier Optimiser knows when partitioning used Can use in SQL also. Creating a PT. Create table JOHN ( ID number name varchar2(25) age number

248 views • 12 slides