September 2024
Intermediate to advanced
356 pages
5h 19m
Spanish
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Índice
Símbolos
- != (operador de desigualdad), Operadores de comparación
- "" (comillas dobles)
- Aliasde columna, Alias con distinción entre mayúsculas y minúsculas y puntuación
- Encerrar identificadores, Identificadores, Comillas, Conceptos básicos sobre cadenas
- encerrar valores de texto en ficheros, Insertar datos de un fichero de texto en una tabla
- $$ (signos de dólar), encerrar cadenas en PostgreSQL, Alternativas a las comillas simples
- % (signo de porcentaje)
- operador módulo, Operadores matemáticos
- utilizar con LIKE, LIKE, LIKE
- '' (comillas simples)
- incrustar comilla simple en valor de cadena, Conceptos básicos de cadenas
- encerrar valores de cadena, Comillas, Conceptos básicos sobre cadenas
- secuencias de escapeen, Secuencias de escape
- () (paréntesis)
- encerrar subconsultas, Seleccionar subconsultas
- Indicando el orden de las operaciones, Operadores lógicos
- * (asterisco)
- operador de multiplicación, Operadores matemáticos
- Seleccionar todas las columnas, Seleccionar todas las columnas
- + (signo más), operador de suma, Operadores y funciones, Operadores matemáticos
- separador , (coma), La cláusula SELECT, Insertar datos de un archivo de texto en una tabla, Agregar filas en un único valor o lista, Posibles extensiones
- -(signo menos) operador de resta, Operadores matemáticos
- -- comentario para una sola línea de código, La sentencia SELECT, Comentarios
- .(notación por puntos), Columnas de calificación
- / (barra oblicua) operador de división, Operadores matemáticos
- /* */ comentario para varias líneas de código, Comillas ...
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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.
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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.