e, autoextend data files
Shrink Rollback Segments manually
Create table, index UNRECOVERABLE
Subquery in FROM clause (Inline view)
PL/SQL wrapper
PL/SQL Cursor variables
Checksums - DB_BLOCK_CHECKSUM, LOG_BLOCK_CHECKSUM
Parallel Create Table As (CTAS)
Job Queues - DBMS_JOB
DBMS_SPACE and DBMS_APPLICATION_INFO packages
Sorting Improvements - SORT_DIRECT_WRITES
Oracle 7.1 - May 1994
ANSI/ISO SQL92 Entry Level
Oracle Advanced Replication - Symmetric Data replication
Snapshot Refresh Groups
Parallel Recovery
Dynamic SQL - DBMS_SQL
Parallel Query Options - query, index creation, data loading
Server Manager introduced
Read Only tablespaces
Oracle 7.0 - June 1992
Database Integrity Constraints (primary keys, foreign keys, check constraints, default values)
Stored procedures and functions, procedure packages
Database Triggers
View compilation
User defined SQL functions
Role based security
Multiple Redo members - mirrored online redo log files
Resource Limits - Profiles
Much enhanced Auditing
Enhanced Distributed database functionality: INSERTS, UPDATES, DELETES, 2PC
Incomplete database recovery (e.g. SCN based recovery)
Cost Based Optimizer
TRUNCATE tables
Datatype changes (i.e VARCHAR2, CHAR, VARCHAR)
SQL*Net v2, MTS
Checkpoint process (CKPT)
Data replication - Snapshots
Oracle 8 - 1997
Object Relational database (ORDBMS) features
Object types (not just date, character, number as in v7)
SQL3 standard
Call external procedures
LOB >1 per table
Partitioned Tables and Indexes (new partitioning option)
partitions in multiple tablespaces
export/import inpidual partitions
Online/offline, backup/recover inpidual partitions
merge/balance partitions
Advanced Queuing for message handling
Many performance improvements to SQL/PLSQL/OCI making more efficient use of CPU/Memory. V7 limits extended (e.g. 1000 columns/table, 4000 bytes VARCHAR2)
Parallel DML statements (UPDATE and DELETE)
Connection Pooling (uses the physical connection for idle users and transparently re-establishes the connection when needed) to support more concurrent users.
Improved "STAR" Query optimizer
Integrated Distributed Lock Manager in Oracle PS (as opposed to Operating system DLM in v7).
Performance improvements in OPS - global V$ views introduced across all instances, transparent failover to a new node
Data Cartridges introduced on database (e.g. image, video, context, time, spatial)
Backup/Recovery improvements - Tablespace point in time recovery, incremental backups, parallel backup/recovery. Recovery manager introduced (see RMAN)
Security Server introduced for central user administration. User password expiry, password profiles, allow custom password scheme. Privileged database links (no need for password to be stored)
Fast Refresh for complex snapshots, parallel replication, PL/SQL replication code moved in to Oracle kernel. Replication manager introduced.
Index Organized tables (IOTs)
Deferred integrity constraint checking (deferred until end of transaction instead of end of statement).
SQL*Net replaced by Net8
Reverse Key indexes
Any VIEW updateable (INSTEAD OF triggers on views)
New ROWID format
Oracle 8i (8.1.7) - August 2000
Static HTTP server included (Apache)
JVM Accelerator to improve performance of Java code
Java Server Pages (JSP) engine
MemStat - A new utility for analyzing Java Memory footprints
OIS - Oracle Integration Server introduce