SQL

sql select

SELECT * FROM products WHERE stock_count <= 10 ORDER BY stock_count ASC;

sql select

SELECT * FROM table_name;
-- Sorting col1 ASCending then col2 DESCending
SELECT col1, col2 FROM table_name ORDER BY col1 ASC, col2 DESC;
-- Filter on col1
SELECT col1, col2 FROM table_name WHERE col1 = 'a value';
-- Containing 'searched'
SELECT col1, col2 FROM table_name WHERE col1 LIKE '%searched%';
-- All different values
SELECT DISTINCT col1 FROM table_name;
-- Simple sum
SELECT col1, sum(col2) FROM table_name GROUP BY col1;

select sql

SELECT ime, prezime
FROM studenti
WHERE ime = 'Dejan';

sql select

Used to select data from a database, which is then returned in a results set.
Example 1: Selects all columns from all users.
SELECT * FROM users;
Example 2: Selects the first_name and surname columns
from all users.xx
SELECT first_name, surname FROM users;

sql select

Everything in brackets is optional.
SELECT [all/distinct] <COL1>, <COL2>, <COL3>
FROM <TABLE_NAME>
[JOIN <JOIN_CONDITION>]
[WHERE <CONDITION>]
[GROUP BY <COLUMN_NAME>]
[HAVING <SEARCH_CONDITION>]
[ORDER BY <SORT_SPECIFICATION>]

SQL SELECT

SELECT first_name, last_name
FROM Customers;

sql select statements

SELECT orders.order_id, customers.last_name
FROM orders
INNER JOIN customers
ON orders.customer_id = customers.customer_id
WHERE orders.order_id <> 1
ORDER BY orders.order_id;

select sql

SELECT naslov, stranice
FROM knjige
WHERE stranice<300

SQL SELECT

Mit SELECT können Daten aus der Datenbank abgefragt werden. Es ist die am 
meissten verbreitete Art.

  SELECT name
  FROM country
  WHERE region = (
      SELECT region
      FROM country
      WHERE name = 'Brasilien'
      )

sql select query

#sql select query

SELECT * FROM table_name;
-- Sorting col1 ASCending then col2 DESCending
SELECT col1, col2 FROM table_name ORDER BY col1 ASC, col2 DESC;
-- Filter on col1
SELECT col1, col2 FROM table_name WHERE col1 = 'a value';
-- Containing 'searched'
SELECT col1, col2 FROM table_name WHERE col1 LIKE '%searched%';
-- All different values
SELECT DISTINCT col1 FROM table_name;
-- Simple sum
SELECT col1, sum(col2) FROM table_name GROUP BY col1;

sql select statement

Projection = Select the columns in
a table that are returned by a query
Selection = Selects the rows in a
table that are returned by a query
Join = Brings together data that is 
stored in different tables by
specifying the link between them