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Файл:Semestr2 / 1 - Oracle / 1-Select+functions.ppt
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- •Objectivesj i
- •Capabilitiesili i of SQL SELECT
- •Basicic SELECT Statement
- •Writingi i SQL Statements
- •Selectingl i Allll Columnsl
- •Selectingl i Specifici ic Columnsl
- •Columnl Headingi Defaultsl
- •Arithmetici ic Expressionsi
- •Usingi Arithmetici ic Operators
- •Operator Precedence
- •Operator Precedence
- •Usingi Parentheses
- •Definingi i a Nullll Valuel
- •Nullll Valuesl inin Arithmetici ic Expressionsi
- •Definingi i a Columnl Aliasli
- •Usingi Columnl Aliasesli
- •Concatenationi Operator
- •Usingi the Concatenationi
- •Literali l Character Stringsi
- •Usingi Literali l Character Stringsi
- •Duplicateli Rows
- •Eliminatingli i i Duplicateli Rows
- •SQL and SQL*Plusl InteractionI i
- •SQL Statements Versus
- •Overviewie of SQL*Plusl
- •Loggingi InIn to SQL*Plusl
- •Displayingi l i Tablele Structure
- •Displayingi l i Tablele Structure
- •SQL*Plusl Editingi i Commands
- •SQL*Plusl Editingi i Commands
- •SQL*Plusl Fileile Commands
- •Summary
- •Practicei Overviewie

SQL*Plusl Fileile Commands
•• SAVE filenamefil
•• GET filenamefil
•• START filenamefil
•• @ filenamefil
•• EDITIT filenamefil
•• SPOOL filenamefil
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Summary
SELECT [DISTINCT] {*,column[alias],...} FROM table;
Use SQL*Plus as an environment to:
•• Executete SQL statementst t ts
•• Editit SQL statementst t ts
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Practicei Overviewie
•• Selectingl ti allll datata fromfr differentiff r t tablest l
•• Describingri i thet structuretr t re off tablest l
•• Performingrf r i arithmeticrit tic calculationsl l ti and specifyingif i columnl names
•• Usingi SQL*Plus* l editorit r
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