one alphabetic character

How does one sort the query results in the alphabetic order of the first character? If the database uses the GBK character set $ SQL = 'select brand_id, brand_name FROM '. $ GLOBALS ['ecs']-> table ('brand'). 'order BY brand_name '; If the

About the Unicode character set(2011-10-20 20:54:03) The initial Unicode encoding is a fixed-length, 16-bit, or 22-byte representation of a character, which can represent a total of 65,536 characters. Obviously, it is not enough to represent all the

Sequence Types There are six types of sequence: strings, byte sequences (bytes objects), byte arrays (ByteArray objects), list, tuple, Range objects. Common operations supported by the sequence type:Member check: in, not inConnection: +Copy:

Characters Meaning: For a character, it is usually indicated by literal meaning that the character followed by a special character is not interpreted. For example:/b/matches the character ' B ', which becomes a special character by adding a

1) String manipulationstrcpy (P, p1) copy stringstrncpy (P, p1, N) copies the specified length stringStrcat (P, p1) Append stringStrncat (P, p1, N) append a specified length stringStrlen (p) Take string lengthstrcmp (P, p1) compare stringsSTRCASECMP

Ordinary characters Normal characters are made up of all print and nonprinting characters that are not explicitly specified as metacharacters. This includes all uppercase and lowercase alphabetic characters, all numbers, all punctuation marks, and

The concept of character set is clear to everyone. Many people do not understand the proofreading rules. This concept is not used in general database development. mysql seems very advanced in convenience. The concept of character set is clear to

Sequence Types There are six types of sequence: strings, byte sequences (bytes objects), byte arrays (ByteArray objects), list, tuple, Range objects. Common operations supported by sequence types:Member check: in, not inConnection: +Copy:

What is a regular expression?Regular expressions, also known as formal representations, general representations (English: Regular Expression, often abbreviated as regex, RegExp, or re) in code, are a concept of computer science. A regular expression

Brief Description Character Set and verification rulesCharacter Set is a set of symbols and encoding. A collation is a set of rules used to compare characters in a character set.MySql provides strong support in collation, and mongoel does not find