4 ADVANCED DATABASE SYSTEMS - CMU 15-721
[Pages:59]Lecture #24
ADVANCED DATABASE SYSTEMS
Server-side Logic Execution
@Andy_Pavlo // 15-721 // Spring 2020
2
Background UDF In-lining UDF CTE Conversion
15-721 (Spring 2020)
3
OBSERVATION
Until now, we have assumed that all of the logic for an application is located in the application itself. The application has a "conversation" with the DBMS to store/retrieve data.
Protocols: JDBC, ODBC
15-721 (Spring 2020)
4
CONVERSATIONAL DATABASE API
Application
BEGIN
SQL
Program Logic
SQL
Program Logic COMMIT
15-721 (Spring 2020)
4
CONVERSATIONAL DATABASE API
Application
BEGIN
SQL
Program Logic
SQL
Parser Planner Optimizer Query Execution
Program Logic
COMMIT
15-721 (Spring 2020)
4
CONVERSATIONAL DATABASE API
Application
BEGIN
SQL
Program Logic
SQL
Parser Planner Optimizer Query Execution
Program Logic
COMMIT
15-721 (Spring 2020)
4
CONVERSATIONAL DATABASE API
Application
BEGIN
SQL
Program Logic
SQL
Parser Planner Optimizer Query Execution
Program Logic
COMMIT
15-721 (Spring 2020)
4
CONVERSATIONAL DATABASE API
Application
BEGIN
SQL
Program Logic
SQL
Parser Planner Optimizer Query Execution
Program Logic
COMMIT
15-721 (Spring 2020)
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