Published October 1993
by Bernan Press .
Written in English
|The Physical Object|
|Number of Pages||88|
SQL stands for Structured Query Language, which is a standardised language for interacting with RDBMS (Relational Database Management System). Some of the popular relational database example are: MySQL, Oracle, mariaDB, postgreSQL etc. The syntax of SQL is explained and then brought to life in examples using Personal Oracle7, Microsoft Query, and other database tools. You don't need access to any of these products to use this book--it can stand alone as an SQL syntax Size: 1MB. Introduction to SQL What is 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. SQL includes a sub-language for defining schemas, the data definition language (DDL), along with a sub-language for modifying data, the data manipulation language (DML). Both of these have roots in.
Database languages are used to read, update and store data in a database. There are several such languages that can be used for this purpose; one of them is SQL (Structured Query Language). Types of DBMS languages: Data Definition Language (DDL). Relational means that different tables of the database can be cross-referenced to one another. SQL stands for "Structured Query Language" which is the standard language used to interact with databases. MySQL was built using the SQL base and released as an open source database system. Because of its popularity, it is highly supported with PHP. About the Book Author. Allen G. Taylor is a year veteran of the computer industry and the author of over 40 books, including SQL For Dummies and Crystal Reports For Dummies. He lectures nationally on databases, innovation, and entrepreneurship. He also teaches database development internationally through a leading online education provider. SQL (pronounced "ess-que-el") stands for Structured Query Language. SQL is used to communicate with a database. According to ANSI (American National Standards Institute), it is the standard language for relational database management systems. SQL statements are used to perform tasks such as update data on a database, or retrieve data from a database.
SQL is the standard language for dealing with Relational Databases. SQL can be used to insert, search, update and delete database records. SQL can do lots of other operations including optimizing and maintenance of databases. Relational databases like MySQL Database, Oracle, Ms SQL server, Sybase, etc uses SQL. Before buying this book I'd previously read 'Sams Teach Yourself SQL in 10 Minutes' and 'SQL Queries for Mere Mortals' (third edition). Even though 'The Language of SQL' is over pages shorter than the latter, it has yielded for me a new-found confidence/5. 4 Chapter One—Introduction to Relational Databases and SQL Table The basic unit of a relational database is the table. You can think of a table as rows and columns of information, as in a spreadsheet. A relational database is a collection of at least one—and generally, several— Size: 86KB. Database Language SQL SQL is a popular relational database language first standardized in by the American National Standards Institute (ANSI). Since then, it has been formally adopted as an International Standard by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC).