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The SQL WHERE Clause. The WHERE clause is used to filter records. It is used to extract only those records that fulfill a specified condition. Example. Select all customers from Mexico: SELECT * FROM Customers. WHERE Country='Mexico'; Try it Yourself » Syntax. SELECT column1, column2, ... FROM table_name. WHERE condition;
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Query statements scan one or more tables or expressions and return the computed result rows. This topic describes the syntax for SQL queries in GoogleSQL for BigQuery.
9 lis 2021 · The basic syntax of an SQL query that uses a WHERE clause is: SELECT <column names> FROM <table name> WHERE <conditions>; The WHERE clause follows the SELECT and the FROM clauses.
This tutorial introduces you the SQL syntax: literals, keywords, identifiers & expressions, predicates, clauses, comments.
23 wrz 2012 · The SQL WITH clause allows you to give a sub-query block a name (a process also called sub-query refactoring), which can be referenced in several places within the main SQL query. The name assigned to the sub-query is treated as though it was an inline view or table.
18 gru 2020 · This guide will go over the general syntax used in WHERE clauses. It will also outline how to combine multiple search condition predicates in a single WHERE clause to filter data with more granularity, as well as how to use the NOT operator to exclude, rather than include, rows that meet a given search condition.
