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Chapter 2
N
Using Single-Row Functions
11g are NUMBER, BINARY_DOUBLE, and BINARY_FLOAT. Datetime datatypes in
Oracle 11g are DATE, TIMESTAMP, and INTERVAL.. Sewall
Each row in the database is uniquely identified by a ROWID. ROWID shows
the physical location of the row stored in the database. The pseudocolumn
. statement return?
SELECT COALESCE(NULL, Oracle ‘, Certified ) FROM dual;
A. NULL
B. Oracle
C. Certified
D. Oracle Certified
17. Which expression will always. the functions avail-
able in Oracle 11g to handle
NULL
s. Then it discussed the single-row functions available in
Oracle 11g by grouping them into character,
.
example:
SELECT locations.location_id, city, department_name
FROM locations l, hr.departments d
WHERE locations.location_id = d.location_id;
WHERE locations.location_id. hr.departments
WHERE locations.location_id = departments.location_id;
SELECT locations.location_id, hr.locations.city
*
ERROR at line 1:
ORA-00904: “HR”.”LOCATIONS”.”CITY”:
. the Oracle Database 11g SQL Fundamentals I test. Table 5.1 summarizes the
DML statements that Oracle supports.
TABLE 5.1 DML Statements Supported by Oracle
Statement. www.verypdf.com to remove this watermark.
Chapter
5
Manipulating Data
ORACLE DATABASE 11g:
SQL FUNDAMENTALS I EXAM OBJECTIVES
COVERED IN THIS CHAPTER:
Manipulating
. about the various Oracle 11g database schema
objects, please refer to the Oracle documentation called Oracle Database Administrators
Guide 11g Release 1. the database to “fire” when
certain database conditions occur, such as starting the database, or when a database error
occurs.
Java objects Oracle Database
. www.verypdf.com to remove this watermark.
Chapter
7
Creating Schema
Objects
ORACLE DATABASE 11g: SQL
FUNDAMENTALS I EXAM OBJECTIVES
COVERED IN THIS CHAPTER:
Creating. an Oracle Database.
A view is a logical representation of data from one or more tables or views. You can think
of a view as a query stored in the database.