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HP c-tree-SQL ISQL and Tools manual Fld, Column Title, NEW Title, Compute

Models: c-tree-SQL ISQL and Tools

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ISQL Statements

Thursday

1 record selected

ISQL> column sysdate format "Month" ISQL> select sysdate from syscalctable

SYSDATE

-------

May

1 record selected

ISQL> column sysdate format "DDth" ISQL> select sysdate from syscalctable

SYSDATE

-------

7th

1 record selected

Note: If the select-list of a query includes column titles, they override formatting specified in COLUMN statements for those columns. The following example illustrates this behav- ior.

ISQL> select fld from syscalctable; -- No formatting

FLD

---

100

1 record selected

ISQL> column fld heading "column title" -- Specify heading in COLUMN statement ISQL> select fld from syscalctable;

COLUMN TITLE

------------

100

1 record selected

ISQL> select fld "new title" from syscalctable; -- Specify title in select list

NEW TITLE

---------

100

1 record selected

3.7.5COMPUTE

Syntax

COMPUTE

[ { AVG MAX MIN SUM COUNT } OF column_name

IN variable_name

ON break_spec ] ; break_spec::

{ column_name ROW PAGE REPORT }

Description

Performs aggregate function computations on column values for the specified set of rows, and assigns the results to a variable. DISPLAY statements can then refer to the variable to display its value.

FairCom Corporation

3-21

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HP c-tree-SQL ISQL and Tools manual Fld, Column Title, NEW Title, Compute

Contents

For use with c-treeSQL Server Isql and Tools Reference GuidePage Table of Contents Data Load Utility dbload Iii Tutorial Source Code FairCom Corporation Audience Syntax Diagram ConventionsDocumentation Overview Purpose of this Manual Isql and Tools Related Documentation Overview Introduction Isql and Tools FairCom Corporation Isql Quick TourIntroductory Tutorial Init Isql Commit Work Custmast DefineManage Isql Create Table Custmast Quick Tour DoneComplete Introductory Tutorial Code ISQLTutorial2.sql Relational Model and Indexing Tutorial Quick Tour Values Insert IntoValues Insert Into QTY Price Commit Work Complete Relational Model and Indexing Tutorial Source Code ISQLTutorial3.sql Locking Tutorial @ISQL @iSQLTutorial3.sql Isql Delete from Custmast Complete Locking Tutorial Source Code ISQLTutorial4.sql Transaction Processing Tutorial Transaction Rollback Work Complete Transaction Processing Tutorial Source Code Arguments Isql StatementsStarting Interactive SQL Syntax Connectstring PasswordStatement History Support Username Statement Summary Formatting Output of Isql QueriesIsql Statements Isql Statements for Statement History Support Display Isql Statements for Query Formatting Summary Customername Customercity Orderid Ordervalue Example 3-1 Unformatted Query Display from Isql Example 3-2 Controlling Display Width of Character Columns Formatting Column Display with the Column Statement Customername Customercity Example 3-3 Customizing Format of Numeric Column DisplaysOrdervalue Example 3-4 Specifying Column Breaks and Values with Display Numorders Customername Example 3-6 Specifying a Query Header and Footer with Title Transaction Support Help and Table Statements Example Isql Reference1 @ Execute Syntax Description Breakspec Break Syntax Customername ExamplesSkip n History Clear Syntax Break Column Compute Display Title ArgumentColumn Syntax Option Heading headingtext ColumnnameFormat formatstring Character Description Date-Time Format Strings for the Column Statement Char Null ? Type Length ColnameNot Null INT Sysdate OrderinfoAmount Compute FLDColumn Title NEW Title Variablename AVG MAX MIN SUM Count Value Define Syntax @columnname ColpositionDisplayvalue COL columnnumber Edit Syntax Exit Exit or Quit SyntaxRelated Statements Isql GET query.sql 10 GET Syntax Isql RUN Orderstate Lotlocation Help CommandsclausesHelp Syntax History Syntax Following example illustrates usage of the History statement From HostcommandHost or SH or Syntax List Syntax Isql History Quit or Exit Syntax16 RUN Syntax Quit Linesize Save Syntax18 SET Syntax Pagesize Pagesize numberlines TBL Connection databasename DefaultTransaction Isolation Level isolationlevel Isql Break on Isql Select TBL from Systables TBL Show Syntax Database Connections Is Default ?Spool Syntax Filename on Isql Spool OFF Start SyntaxArgument … Isql Spool STK on Not Null Varchar Null ? Type Length Colname Not Null INT Date TablenameType Length Colname Null ? Double Title SyntaxLeft Center Right COL n Text Isql Clear Title Isql and Tools FairCom Corporation Introduction Data Load Utility dbload Options Dbload Command Line SyntaxCommandsfile Prerequisites for Dbload Data Load Utility dbload Data File Formats Next Record Commands FileVariable Length Records Fixed Length Records Char Short Long Float Double Define Record Statement Null For Each Statement Examples Example 4-1 Sample dbload commands files Position not specified for fixed length record Compilation ErrorsRecord name redefined Fatal Errors Isql and Tools FairCom Corporation Prerequisites for Dbdump Data Unload Utility dbdump Dbdump Command Line Syntax Short Long Float Double Data Unload Utility dbdump For Record Statement Define Record custrec of Fixed Length 37 AS Isql and Tools FairCom Corporation Schema Export Utility dbschema Username.triggername Username.procedurenameOutfile Username.tablename END Schema Export Utility dbschemaDbschema Import Begin Isql and Tools FairCom Corporation Commit Work Select * from Custmast Delete from Custmast Tutorial Source Code VARCHAR6 IntegerMoney Commit Work Delete from Custmast Tutorial Source Code Imdesc VARCHAR48 Select * from orderlist Select * from orderitems Isql and Tools FairCom Corporation Index-i Symbols Index-ii FairCom Corporation Isql Index-iii FairCom Corporation Index