'Update query' diaporamas de présentation

Review Applications of Database Systems

Review Applications of Database Systems. Theory. Applications of Database Systems. Practice. ER-diagram. Referential integrity. Theory Part. Relation normalization. ER-diagram. Entity types Strong entity type Weak entity type Attributes atomic attributes composite attributes

656 views • 54 slides

Access Presentation 3

Access Presentation 3. By: Rasagnya Waghray Ali Murtuza. Overview. Create Queries Using Query Wizard Using Design view Example Criteria Wild cards Using relational operators in criteria Using compound criteria. Overview (cont). Omit duplication from query result

419 views • 32 slides

HOW TO WORK WITH TRIGGERS AND ITS TYPES IN SQL?

Trigger is a special method of stored procedure and it invokes automatically when an event starts in the database server. dml triggers execute when a user tries to modify data through a data manipulation language (DML) event. dml events are insert update or delete statements on a table or view. https://www.loginworks.com/blogs/work-triggers-types-sql/

750 views • 23 slides

Structured Query Language - SQL

Structured Query Language - SQL. Carol Wolf Computer Science. SQL . Used for relational databases, which consist of rows and columns. SQL is not case sensitive. Queries are usually in all upper case. These slides will use upper case only for the first letter.

184 views • 9 slides

DHCP-DNS Interaction

DHCP-DNS Interaction. Bernie Volz IETF-61, DHC WG. Current Drafts. draft-ietf-dhc-fqdn-option-07 (no change, ready for WG Last Call) draft-ietf-dhc-ddns-resolution-08 (revised) draft-ietf-dhc-dhcpv6-fqdn-00 (revised) draft-ietf-dnsext-dhcid-rr-08 (no change) Not updated since last IETF

311 views • 9 slides

Action Query Exercises

93 views • 9 slides