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Tài liệu Oracle SQL Jumpstart with Examples- P1 docx

... the following URL: 1 www.oracledbaexpert.com /oracle/ OracleSQLJumpstartWithExamples/index.html You will ﬁnd scripts for other books I have written plus other informa-tion as well, and of ... Chapter 2. New Features of Oracle SQL This chapter covers new Oracle SQL and PL/SQL features for both Oracle Database 10 g and Oracle Database 9 i . Chapter 3. Oracle Database Architecture ... Oracle SQL Jumpstart with Examples !The title of this book was originally Oracle SQL Reference, but duringthe writing process, we set our hearts on the new title Oracle SQL Jumpstartwith...

Tài liệu Oracle SQL Jumpstart with Examples- P2 ppt

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... features available for SQL in both Oracle Database 10g and Oracle Database 9i.1.8 Endnotes1. www.oracledbaexpert.com /oracle/ secure/Normalization.doc2. Oracle Performance Tuning for 9i and 10g ... possible in Oracle SQL with respect to SQL coding cannow be coded and executed from within PL/SQL. PL/SQL is nowfully syntactically equivalent with Oracle SQL. In other words, all Oracle SQL ... simpliﬁed version. Ihave twisted Normal Forms deliberately.4. http://www.oracledbaexpert.com /oracle/ secure/Denormalization.doc5. http://www.oracledbaexpert.com /oracle/ secure/ TheVeryBasicsOfDataWarehouseDesign.docFigure...

Tài liệu Oracle SQL Jumpstart with Examples- P3 docx

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... is enough about the WHERE clause for now. The next chapterdeals with sorting query results and the ORDER BY clause.5.5 Endnotes1. Oracle Performance Tuning for 9i and 10g (ISBN: 1-55558-305-9)Chap5.fm ... of specific indexesboth for reading data and for applying inherent index sorts (pre-sorted). Therefore, WHERE clause expression orders can beextremely important to performance, particularly ... simple examples will suffice with respect to the SELECT state-ment. For example, the following query finds the ROWID (logical rowpointer) and ROWNUM (returned row number in current query) for eachrow...

Tài liệu Oracle SQL Jumpstart with Examples- P4 docx

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... FROM ARTIST;  NUMF[ORMAT] { format } . Apply a format to all output numbers. For instance, SET NUMFORMAT '999,999,999,990.00' displaysall numbers with two decimal places, even ... browser. An Oracle installation comes with aminiature Web server, called HTTP Server, and is conﬁgured automaticallyby Oracle Installer. The HTTP Server that is provided as part of Oracle is ... settings for SQL*Plus formatting?  How are variables used in SQL*Plus?  How are scripts used in SQL*Plus?  How are reports formatted in SQL*Plus?  How is iSQL*Plus used for reporting?This...

Tài liệu Oracle SQL Jumpstart with Examples- P5 docx

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... Institute(ANSI) format JOIN clause and the Oracle proprietary format for joiningtables are used in all examples where possible. The JOIN clause is the ANSIequivalent of the Oracle proprietary ... familiar with its use. As a side issue, Oracle Certiﬁcationexams may test both formats.  Both formats are useful for explaining how joins behave and how toselect the most appropriate format. ... syntax. We examine both formats for the following reasons:  The Oracle proprietary format has not as yet been deprecated in favorof the ANSI JOIN clause; therefore, it is important that...

Tài liệu Oracle SQL Jumpstart with Examples- P6 pptx

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... only, as shown in Figure 11.21.COLUMN CONTINENT FORMAT A16COLUMN COUNTRY FORMAT A16COLUMN YEAR FORMAT 9999COLUMN SALES FORMAT 990COLUMN REVENUE FORMAT $999,999.00SELECT * FROM SALESSUM WHERE ... Cartesian product.COLUMN CD FORMAT A24 HEADING "CD"COLUMN TRACK FORMAT 90 HEADING "Track" COLUMN SONG FORMAT A40 HEADING "Song"COLUMN NAME FORMAT A32 HEADING "Artist"SELECT ... following queryforces a cumulative sum on the SALES grouped result column, resulting ina total sales number for each continent plus a cumulative sales number for all rows returned so far, for every...

Tài liệu Oracle SQL Jumpstart with Examples- P7 pdf

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... ﬂashback, andparallel queries. The next chapter examines Oracle Expressions, new to Oracle Database 10g.13.5 Endnotes1. Oracle Performance Tuning for 9i and 10g (ISBN: 1-55558-305-9)Chap13.fm Page ... . A compound expression is multiple expressions puttogether with operators. For example, 10 + 20 or P(1 + r) n , a formula for compound interest calculations.  Lists . A list of ... theversions ﬂashback query pseudocolumns.COLUMN ID FORMAT 990COLUMN CONTINENT A16COLUMN STIME FORMAT A5COLUMN ETIME FORMAT A5COLUMN DML FORMAT A6SELECT CONTINENT_ID "ID", NAME...

Tài liệu Oracle SQL Jumpstart with Examples- P8 docx

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... the XMLType datatype with respectto Oracle SQL. The XMLType datatype is merely a storage medium andhas little to do with actually “doing things” to XML structures, with Oracle SQL commands. ... central database that tracks contact information for clients.Your salespeople have handheld palmtop units that they use to record con-tact information for new and existing clients. The palmtop’s ... not always strictly true if CASCADE DELETE is used with constraints. See Chapter 1 for details on Referential Integrity and Chapter20 for information on constraints.15.5.3 Deleting All RowsYou...

Tài liệu Oracle SQL Jumpstart with Examples- P9 ppt

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... called Oracle Par-titioning. Oracle Partitioning working in concert with parallel processingand separate disk spindles or RAID arrays can provide fairly substantial per-formance improvements. Oracle ... appear in row form, such as inthis join.Note: Two-dimensional data is useful for platform-independent transferbetween multiple databases. However, there are other, faster methods for achieving ... use of XML directly fromwithin Oracle SQL. XML is vastly more complex and detailed than pre-sented in this chapter, both with respect to XML itself and to that of Oracle software. This chapter...

Tài liệu Oracle SQL Jumpstart with Examples- P10 docx

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... with JoinsModifying data through a view that joins two tables is tricky. In addition toall the rules that Oracle Database 10g imposes on simple views, there arestill more rules for views with ... TRACK_ID column as the primary key and keep the foreign key constraints the same as before.These commands drop the table and create it with primary and foreignkeys. There are no NOT NULL constraints ... syntax for the CREATE VIEW command is shown in Figure20.7. The way in which constraints are handled for the CREATE VIEWcommand is the same as for the CREATE TABLE command. As a result,no examples...

Tài liệu Oracle SQL Jumpstart with Examples- P11 doc

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... chapter covers sequences and synonyms.21.4 Endnotes1. Oracle Performance Tuning for 9i and 10g (ISBN: 1-55558-305-9)2. Oracle Performance Tuning for 9i and 10g (ISBN: 1-55558-305-9)Figure 21.8QueryingUSER_INDEXESand ... indexes: Primary, Foreign, and Unique Keys. Primary and unique key con-straints have indexes created automatically by Oracle Database. It isrecommended to create indexes for all foreign key constraints. ... respectively. Oracle Database 10 g forces password deﬁnition oninstallation. You know what they are if you installed the database. If not,ask the person who did the installation for the passwords....