ASMR | SQL Lesson 1: SELECT queries 101 | Whispered
Автор: The Whisper Gamer
Загружено: 2017-07-20
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ASMR | SQL Lesson 1: SELECT queries 101 | Whispered
"Structured Query Language is a domain-specific language used in programming and designed for managing data held in a relational database management system (RDBMS), or for stream processing in a relational data stream management system (RDSMS). In comparison to older read/write APIs like ISAM or VSAM, SQL offers two main advantages: First, it introduced the concept of accessing many records with one single command, and second, it eliminates the need to specify how to reach a record, e.g.: with or without an index.
Originally based upon relational algebra and tuple relational calculus, SQL consists of a data definition language, data manipulation language, and data control language. The scope of SQL includes data insert, query, update and delete, schema creation and modification, and data access control. Although SQL is often described as, and to a great extent is, a declarative language (4GL), it also includes procedural elements.
SQL was one of the first commercial languages for Edgar F. Codd's relational model, as described in his influential 1970 paper, "A Relational Model of Data for Large Shared Data Banks."Despite not entirely adhering to the relational model as described by Codd, it became the most widely used database language.
SQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International Organization for Standardization (ISO) in 1987. Since then, the standard has been revised to include a larger set of features. Despite the existence of such standards, most SQL code is not completely portable among different database systems without adjustments."
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What does ASMR mean mom?
Autonomous sensory meridian response (ASMR) is a euphoric experience characterized by a static-like or tingling sensation on the skin that typically begins on the scalp and moves down the back of the neck and upper spine, precipitating relaxation.
How can I feel this?
ASMR is usually precipitated by stimuli referred to as "triggers".
ASMR triggers, which are most commonly acoustic and visual, may be encountered through the interpersonal interactions of daily life. Additionally, ASMR is often triggered by exposure to specific audio and video. Such media may be especially made with the specific purpose of triggering ASMR, or originally created for other purposes and later discovered to be effective as a trigger of the experience.
Stimuli that can trigger ASMR, as reported by those who experience it, include the following:
Listening to a softly spoken or whispering voice.
Listening to quiet, repetitive sounds resulting from someone engaging in a mundane task such as turning the pages of a book.
Watching somebody attentively execute a mundane task such as preparing food.
Receiving altruistic tender personal attention.
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