Oracle PL/SQL Built-Ins Pocket Reference [READ ONLINE] BY Steven Feuerstein
Steven Feuerstein ↠ 8 SummaryWant detail then get the full blown version of the book also by O Reilly Associates publishingGio Being a pocket eference it could still use an index in the back of the book other than "That. A Different Set Of Characters " A different set of characters Operate on dates and supplement the DATE datatype Examples include SYSDATE Close to the Land: The Way We Lived in North Carolina, 1820-1870 returns the current date and time in the Oracle Server and LASTDAYeturns the last day in the month of the specified date Numeric functions Operate on numeric data Examples include CEIL Berlayar di Pamor Badik returns the smallest integer greater than or eual to the specified number and POWEReturns a number aised to a particular power LOB functions Operate on large object
data Examples include EMPTYBLOB eturns an empty locator of the binaryExamples include EMPTYBLOB Münchhausen's Pigtail, or Psychotherapy Reality returns an empty locator of the binary object type and EMPTYCLOBeturns an empty locator of the character large object type Conversion functions Perform explicit conversions of different types of data Examples include TOCHAR converts a number or date to a string and TONUMBER converts a string to a number Miscellaneous functions Examples include GREATEST eturns the greatest of the specified list of values and UID eturns the user ID of the current Oracle session Built in packages collections of PL SL objects such as functions procedures and data structures greatly expand the scope of the PL SL language These packages are descri. ,
Being a pocket eference it could
STILL USE AN INDEX IN THEuse an index in the of the book But other than that it s great for non beginners who forget the syntax of an Oracle Built in package Of course if you. This pocket eference provides uick eference information that will help you use Oracle Corporation s extensive set of built in functions and packages including those new to Oracle8Oracle s PL SL language is a programming "language providing procedural extensions to the SL elational database language and to an ever growing number of Oracle development tools Among "providing procedural extensions to the SL elational database language and to an ever growing number of Oracle development tools Among most useful constructs in the PL SL language
ARE THE BUILT IN FUNCTIONS AND PACKAGESBUILT IN FUNCTIONSthe built in functions and packagesBuilt in functions constructs that operate on certain types of data eg numeric character to eturn a Fairy Tales are True: Silent Reach from the Dunes to the Khumba Mela result By using functions you can minimize the coding you need to do in your programs Functions are described in detail in Steven Feuerstein s Oracle PL SL Programming this comprehensive guide to building applications with PL SL has become the bible for PL SL developers who haveaved about its completeness Galaxies in the Universe: An Introduction readability and practicalityBuilt in functions fall into several major categoriesCharacter functions Operate on character data Examples include CONCAT concatenates two strings into one LENGTHeturns the length of a string and REPLACE eplaces a character seuence in a string with. It s great for non beginners forget the syntax
of an oraclean Oracle in package Of course if you want "detail get the full blown version of the book also by O Reilly Associates "then get the full blown version of the book also by O Reilly Associates Bed in detail in Feuerstein s and Beresniewicz s book Oracle Built in Packages Built in packages are built by Oracle Corporation and stored directly in the Oracle database The functionality of the built ins is available from any programming environment that can call PL SL stored procedures including Visual Basic Oracle Developer 2000 Oracle Application Server for Web based development and of course the Oracle database itselfBuilt in packages extend the capabilities and power of PL SL in many significant ways For example DBMSSL executes dynamically constructed SL statements and PL SL blocks of code DBMSPIPE communicates between different Oracle sessions through a pipe in the RDBMS shared memory DBMSJOB submits and manages egularly scheduled jobs for execution inside the database DBMSLOB accesses and manipulates Oracle8 s large objects LOBs from within PL SL programs The book shows how to call all of the commonly used built in functions and packages For packages it also shows the RESTRICT REFERENCES pragmas needed if you call packages from a SL statement as well as the exceptions constants and data structures defined in the packages.