'Oracle engine' presentation slideshows

Oracle engine - PowerPoint PPT Presentation

Sub Programs

Sub Programs

Sub Programs. Functions & Procedures. Subprograms are named PL/SQL blocks that can take parameters and can be invoked. Subprograms allow decomposition of a program into logical units. These logical units can be used as building blocks to create complete application programs.

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631 views • 49 slides
Indexes:

Indexes:

Indexes: When the user fires a SELECT statement to search for a particular record, the oracle engine must first locate the table in memory and then the oracle engine then performs a sequential search to locate records that match user-defined criteria.

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335 views • 29 slides
ITUG Conference October 24 thru 26, 2005

ITUG Conference October 24 thru 26, 2005

ITUG Conference October 24 thru 26, 2005. Presented by. First to market with. A Comprehensive NonStop Disaster Recovery Product. Privately held 20 year old company. First to market with NonStop Oracle Access. Where is your business data?.

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314 views • 17 slides
DML Locks

DML Locks

DML Locks. DML locks are locks placed by Oracle to protect data in tables and indexes. Whenever a DML statement seeks to modify data in a table, Oracle automatically places a row-level lock on the rows in the table that are being modified. Oracle's Default Locking Strategy - Implicit Locking:.

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142 views • 13 slides
Lecture-5

Lecture-5

Lecture-5. 4. PL/SQL allows declaration and use of variables in blocks of code. These variables can be used to store intermediate results of a query for later processing, or calculate values and insert them into an Oracle table later.

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229 views • 8 slides

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