This document discusses different ways to count the number of rows in a PostgreSQL table where the date column is less than the current date. It compares using <, CURRENT_DATE, date_trunc(), a common table expression, and an index to improve performance of the count. The key findings are that an index is not used for a count when filtering on < 'today'::date, and using a view with 'today'::date fixes the date but the view cannot use it.
The document discusses topics related to education, technology, culture/social aspects, and sports in Toluca, Mexico from the perspective of Group 102 at ITESM Campus Toluca. For education, they discuss important technological innovations and their school experiences. For technology, they address the role of social media and the internet. For culture/social, they provide details on holidays, activities, and crafts. For sports, they discuss the importance of sports in their life and most popular sports in Mexico.
This document discusses different ways to count the number of rows in a PostgreSQL table where the date column is less than the current date. It compares using <, CURRENT_DATE, date_trunc(), a common table expression, and an index to improve performance of the count. The key findings are that an index is not used for a count when filtering on < 'today'::date, and using a view with 'today'::date fixes the date but the view cannot use it.
The document discusses topics related to education, technology, culture/social aspects, and sports in Toluca, Mexico from the perspective of Group 102 at ITESM Campus Toluca. For education, they discuss important technological innovations and their school experiences. For technology, they address the role of social media and the internet. For culture/social, they provide details on holidays, activities, and crafts. For sports, they discuss the importance of sports in their life and most popular sports in Mexico.
The document discusses several different point-of-sale displays used by various companies to promote and sell their products. It describes the aesthetics, target customers, location within stores, and safety features of point-of-sale displays for products like the iPad, HTC phones, lottery tickets, doughnuts, e-readers, stickers, movies, books, chocolate, makeup, records, Legos, calculators, and candy. The point-of-sale displays are designed to attract customers, provide information, and encourage purchases in a safe manner.
El cuadro describe una escena de vendimia de Goya del siglo XIX. En primer plano hay un grupo de 4 personas sentadas en un muro hablando y sosteniendo racimos de uva. Detrás se ven viñedos y dos campesinos recolectando uvas. En el fondo hay montañas neblinosas bajo un cielo azul con nubes.
El documento resume la historia y creencias fundamentales del judaísmo, cristianismo e islam. El judaísmo se originó con la llamada de Dios a Abraham y la historia del pueblo judío hasta el nacimiento de Jesús. El cristianismo surgió después de la predicación de Jesús y su muerte, y se expandió a través de los apóstoles. Ambas religiones comparten creencias en un Dios todopoderoso. El islam también tomó elementos del judaísmo.
Viceverba_appdelmes_0624_joc per aprendre verbs llatinsDaniel Fernández
Vice Verba és una aplicació educativa dissenyada per ajudar els estudiants de llatí a aprendre i practicar verbs llatins d'una manera interactiva i entretinguda.
The document discusses several different point-of-sale displays used by various companies to promote and sell their products. It describes the aesthetics, target customers, location within stores, and safety features of point-of-sale displays for products like the iPad, HTC phones, lottery tickets, doughnuts, e-readers, stickers, movies, books, chocolate, makeup, records, Legos, calculators, and candy. The point-of-sale displays are designed to attract customers, provide information, and encourage purchases in a safe manner.
El cuadro describe una escena de vendimia de Goya del siglo XIX. En primer plano hay un grupo de 4 personas sentadas en un muro hablando y sosteniendo racimos de uva. Detrás se ven viñedos y dos campesinos recolectando uvas. En el fondo hay montañas neblinosas bajo un cielo azul con nubes.
El documento resume la historia y creencias fundamentales del judaísmo, cristianismo e islam. El judaísmo se originó con la llamada de Dios a Abraham y la historia del pueblo judío hasta el nacimiento de Jesús. El cristianismo surgió después de la predicación de Jesús y su muerte, y se expandió a través de los apóstoles. Ambas religiones comparten creencias en un Dios todopoderoso. El islam también tomó elementos del judaísmo.
Viceverba_appdelmes_0624_joc per aprendre verbs llatinsDaniel Fernández
Vice Verba és una aplicació educativa dissenyada per ajudar els estudiants de llatí a aprendre i practicar verbs llatins d'una manera interactiva i entretinguda.