Sql create view

how to create a view in sql CREATE VIEW view_name AS SELECT column1, column2, … FROM table_name WHERE condition; sql create view CREATE VIEW view_name AS SELECT column1, column2, … FROM table_name WHERE condition; creating view in sql The following SQL creates a view that shows all customers from Brazil: CREATE VIEW [Brazil Customers] AS […]

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Sql create index

sql create index CREATE INDEX index_name ON tableName (tableColumn); what is an index in sql “An index is an on-disk structure associated with a table or view that speeds retrieval of rows from the table or view. These keys are stored in a structure (B-tree) that enables SQL Server to find the row or rows […]

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Sql create database

create new database CREATE DATABASE database; sql crate database CREATE DATABASE databasename; create database sql CREATE TABLE example ( id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, username VARCHAR(50) NOT NULL UNIQUE, password VARCHAR(255) NOT NULL, created_at DATETIME DEFAULT CURRENT_TIMESTAMP ); sql create database Creates a new database. Example: Creates a new database named ‘websitesetup’. CREATE […]

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Sql create as select

SELECT INTO SELECT * INTO nome_da_tabela_que_estao_a_mexer_BKP FROM nome_da_tabela_que_estao_a_mexer sql select into SELECT CustomerName, ContactName INTO CustomersBackup2017 FROM Customers; sql create as select CREATE TABLE new_table_name AS     SELECT column1, column2,…     FROM existing_table_name     WHERE ….;

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Sql create a new table

sql table CREATE TABLE utilisateur (   id INT PRIMARY KEY NOT NULL,     nom VARCHAR(100),     prenom VARCHAR(100),     email VARCHAR(255), date_naissance DATE, pays VARCHAR(255), ville VARCHAR(255), code_postal VARCHAR(5), nombre_achat INT ) SQL create a new table CREATE TABLE table_name ( column1 TYPE [COLUMN CONSTRAINTS], column2 TYPE [COLUMN CONSTRAINTS], column3 TYPE […]

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