June 2022
Intermediate to advanced
328 pages
5h 31m
German
Content preview from SQL – kurz & gut , 3rd EditionBecome 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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Index
Symbole
\d (Ziffern) in regulären Ausdrücken 208, 212
_ (Unterstrich) mit LIKE verwenden 188
, (Komma) Trennzeichen 240, 300
; (Semikolon) Beenden von SQL-Anweisungen 58
!=- (Ungleichheit) Operator 182
. (Punktnotation) 71
'' (einfache Anführungszeichen)
einfaches Anführungszeichen in String-Wert einbetten 157
String-Werte einschließen 62, 157
Escape-Folgen in 159
"" (doppelte Anführungszeichen)
Bezeichner einschließen 57, 62, 157
Spaltenaliasse 70
Textwerte in Dateien einschließen 118
() (runde Klammern)
Reihenfolge von Operationen anzeigen 181
Unterabfragen einschließen 73
\ (Backslash) reguläre Ausdrücke in MySQL schützen 208
- (Minuszeichen) Subtraktions-operator 188
* (Asterisk)
alle Spalten auswählen
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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.