Search results
9 lut 2012 · I am trying to define two conditions for a WHERE clause: WHERE Date = @date (already implemented) and WHERE Type = @currenttype Code as follows: string sql = string.Format("SELECT Result FROM {0} WHERE Date = @date", hostnameclear); Would I use two WHERE clauses, or can I specify two conditions?
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;
12 kwi 2024 · It is used to fetch data according to particular criteria. WHERE keyword can also be used to filter data by matching patterns. Syntax: SELECT column1,column2 FROM table_name WHERE column_name operator value; Parameter Explanation: column1,column2: fields in the table. table_name: name of table.
SQL SELECT Syntax. The syntax of the SQL SELECT statement is: SELECT column1, column2, ... FROM table; Here, column1, column2, ... are the table columns. table is the table name from where we select the data. For example, -- select first_name and last_name columns from Customers table SELECT first_name, last_name. FROM Customers; Run Code.
9 cze 2023 · The SQL WHERE clause allows you to specify which rows are returned by SELECT or impacted by UPDATE and DELETE. Learn all about SQL WHERE in this article.
The syntax for the WHERE clause in SQL is. SELECT column1, column2,... FROM table_name. WHERE condition; SELECT column1, column2, … : This is the portion of the statement where you specify the columns you want to see in the result. FROM table_name : Here, you replace ‘table_name’ with the name of the table from which you want to fetch the data.
4 sie 2021 · SQL WHERE Clause Syntax. You write the WHERE clause like this: SELECT column1, column2... FROM table_name WHERE condition; Note that here I've written it using the SELECT statement, but its use is not limited to SELECT. You can use it with other statements like DELETE and UPDATE as well. SQL WHERE Clause in Action.
