April 2025
Beginner to intermediate
570 pages
12h 7m
Italian
Content preview from SQL Cookbook, 2a edizioneBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Indice
Simboli
- Funzione % (modulo) (SQL Server), SQL Server
- Operatore % (jolly), Soluzione
- Il carattere * nelle istruzioni SELECT, Soluzione
- Operatore + (concatenazione) (SQL Server), SQL Server, SQL Server
- Operatore _ (trattino basso), Discussione
- Funzione || (concatenazione) (DB2/Oracle/PostgreSQL), Discussione, DB2, PostgreSQL e Oracle
A
- astrazione, assioma di, I gruppi sono distinti
- Funzione ADDDATE (MySQL), MySQL, MySQL, MySQL, MySQL
- Funzione ADD_MONTHS (Oracle), Oracle, Oracle, Oracle
- funzioni aggregate
- tabelle multiple e, Problema-Discussione
- Valori NULL e, Problema, Paradossi
- Clausola WHERE, riferimento in, Discussione
- alias
- per l'espressione CASE, Discussione
- Visualizzazioni in linea, Discussione
- che fa riferimento a colonne alias, Problema
- Alfabetizzazione delle stringhe, Problema-PostgreSQL
- stringhe alfanumeriche
- conversione in numeri, Problema-Discussione
- per determinare se una stringa è alfanumerica, Problema MySQL
- misto, discussione diproblemi
- ordinamento misto, discussione deiproblemi
- anti-join, Discussione
- Parola chiave AS, Soluzione
- Ilcarattere Asterisk (*) nelle istruzioni SELECT, Soluzione
- carattere Asterisk (*) con la funzione COUNT, Soluzione, Discussione
- medie, calcolo, problema - vedianche
- Funzione AVG, Soluzione-Vedianche
- assioma di astrazione, i Gruppi sono distinti
- assioma di specificazione, i gruppi sono distinti
- Schema assiomatico di separazione, I gruppi sono distinti
- Schema assiomatico dei sottoinsiemi, I gruppi sono distinti
B
- Barber Puzzle, i gruppi sono distinti
- Legge di Benford,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.