Introduction to SQL tutorial

introduction to sql and its development environments. and introduction to sql and database objects pdf free download
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Published Date:12-07-2017
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Introduction to SQL Phil Spector Introduction to SQL Phil Spector Statistical Computing Facility University of California, BerkeleyIntroduction to SQLI Structured Query Language I Usually “talk” to a database server I Used as front end to many databases (mysql, postgresql, oracle, sybase) I Three Subsystems: data description, data access and privileges I Optimized for certain data arrangements I The language is case-sensitive, but I use upper case for keywords. Introduction to What is SQL? SQLI Usually “talk” to a database server I Used as front end to many databases (mysql, postgresql, oracle, sybase) I Three Subsystems: data description, data access and privileges I Optimized for certain data arrangements I The language is case-sensitive, but I use upper case for keywords. Introduction to What is SQL? SQL I Structured Query LanguageI Used as front end to many databases (mysql, postgresql, oracle, sybase) I Three Subsystems: data description, data access and privileges I Optimized for certain data arrangements I The language is case-sensitive, but I use upper case for keywords. Introduction to What is SQL? SQL I Structured Query Language I Usually “talk” to a database serverI Three Subsystems: data description, data access and privileges I Optimized for certain data arrangements I The language is case-sensitive, but I use upper case for keywords. Introduction to What is SQL? SQL I Structured Query Language I Usually “talk” to a database server I Used as front end to many databases (mysql, postgresql, oracle, sybase)I Optimized for certain data arrangements I The language is case-sensitive, but I use upper case for keywords. Introduction to What is SQL? SQL I Structured Query Language I Usually “talk” to a database server I Used as front end to many databases (mysql, postgresql, oracle, sybase) I Three Subsystems: data description, data access and privilegesI The language is case-sensitive, but I use upper case for keywords. Introduction to What is SQL? SQL I Structured Query Language I Usually “talk” to a database server I Used as front end to many databases (mysql, postgresql, oracle, sybase) I Three Subsystems: data description, data access and privileges I Optimized for certain data arrangementsIntroduction to What is SQL? SQL I Structured Query Language I Usually “talk” to a database server I Used as front end to many databases (mysql, postgresql, oracle, sybase) I Three Subsystems: data description, data access and privileges I Optimized for certain data arrangements I The language is case-sensitive, but I use upper case for keywords.I Multiple simultaneous changes to data (concurrency) I Data changes on a regular basis I Large data sets where you only need some observations/variables I Share huge data set among many people I Rapid queries with no analysis I Web interfaces to data, especially dynamic data Introduction to When do you need a Database? SQLI Data changes on a regular basis I Large data sets where you only need some observations/variables I Share huge data set among many people I Rapid queries with no analysis I Web interfaces to data, especially dynamic data Introduction to When do you need a Database? SQL I Multiple simultaneous changes to data (concurrency)I Large data sets where you only need some observations/variables I Share huge data set among many people I Rapid queries with no analysis I Web interfaces to data, especially dynamic data Introduction to When do you need a Database? SQL I Multiple simultaneous changes to data (concurrency) I Data changes on a regular basisI Share huge data set among many people I Rapid queries with no analysis I Web interfaces to data, especially dynamic data Introduction to When do you need a Database? SQL I Multiple simultaneous changes to data (concurrency) I Data changes on a regular basis I Large data sets where you only need some observations/variablesI Rapid queries with no analysis I Web interfaces to data, especially dynamic data Introduction to When do you need a Database? SQL I Multiple simultaneous changes to data (concurrency) I Data changes on a regular basis I Large data sets where you only need some observations/variables I Share huge data set among many peopleI Web interfaces to data, especially dynamic data Introduction to When do you need a Database? SQL I Multiple simultaneous changes to data (concurrency) I Data changes on a regular basis I Large data sets where you only need some observations/variables I Share huge data set among many people I Rapid queries with no analysisIntroduction to When do you need a Database? SQL I Multiple simultaneous changes to data (concurrency) I Data changes on a regular basis I Large data sets where you only need some observations/variables I Share huge data set among many people I Rapid queries with no analysis I Web interfaces to data, especially dynamic dataI Live Queries I Report Generation I Normalization, foreign keys, joins, etc. Newer uses: I Storage - data is extracted and analyzed in another application I Backends to web sites I Traditional rules may not be as important Introduction to Uses of Databases SQL Traditional Uses:I Report Generation I Normalization, foreign keys, joins, etc. Newer uses: I Storage - data is extracted and analyzed in another application I Backends to web sites I Traditional rules may not be as important Introduction to Uses of Databases SQL Traditional Uses: I Live QueriesI Normalization, foreign keys, joins, etc. Newer uses: I Storage - data is extracted and analyzed in another application I Backends to web sites I Traditional rules may not be as important Introduction to Uses of Databases SQL Traditional Uses: I Live Queries I Report GenerationNewer uses: I Storage - data is extracted and analyzed in another application I Backends to web sites I Traditional rules may not be as important Introduction to Uses of Databases SQL Traditional Uses: I Live Queries I Report Generation I Normalization, foreign keys, joins, etc.

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