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The SELECT statement is used to select data from a database. The data returned is stored in a result table, called the result-set. SELECT Syntax. SELECT column1, column2, ... FROM table_name; Here, column1, column2, ... are the field names of the table you want to select data from.
The SELECT statement is used to select data from one or more tables: SELECT column_name (s) FROM table_name. or we can use the * character to select ALL columns from a table: SELECT * FROM table_name. To learn more about SQL, please visit our SQL tutorial.
SELECT can also be used to retrieve rows computed without reference to any table. For example: mysql> SELECT 1 + 1; -> 2. You are permitted to specify DUAL as a dummy table name in situations where no tables are referenced: mysql> SELECT 1 + 1 FROM DUAL; -> 2
21 cze 2024 · The MySQL SELECT statement is used to retrieve data from one or more tables in a database. It allows you to specify which columns of data you want to fetch, apply conditions to filter rows, sort the results, and limit the number of rows returned.
To write a SELECT statement in MySQL, you use this syntax: SELECT select_list FROM table_name; Code language: SQL (Structured Query Language) (sql) In this syntax: First, specify one or more columns from which you want to select data after the SELECT keyword. If the select_list has multiple columns, you need to separate them by a comma (,).
17 lip 2024 · Składnia instrukcji SQL SELECT. Jest to najczęściej używane polecenie SQL i ma następującą ogólną składnię. SELECT [DISTINCT|ALL ] { * | [fieldExpression [AS newName]} FROM tableName [alias] [WHERE condition][GROUP BY fieldName(s)] [HAVING condition] ORDER BY fieldName(s) TUTAJ.
Summary: in this tutorial, you’ll learn how to use the MySQL SELECT statement without referencing any table. Typically, you use a SELECT statement to select data from a table in the database: SELECT select_list FROM table_name; Code language: SQL (Structured Query Language) (sql) In MySQL, the SELECT statement doesn’t require the FROM clause.