Single-row character functions accept character data as input and can return both character and numeric values.Character functionscan be divided into the following: Case-conversion functions 大小写转换函数 Case Conversion functions- Accepts character input and returns a character value. Functions under th...
Both CHR and ASCII are two different functions with opposite use. ASCII has a single character and then return the number code. For eg let’s take “V” is 54. Let’s say a group of characters in a string is entered, now the ASCII functions will return a value just for the first c...
SQL基础笔记 Codecademy中Learn SQL, SQL: Table Transformaton和SQL: Analyzing Business Metrics三门课程的笔记,以及补充的附加笔记。 Codecademy的课程以SQLite编写,笔记中改成了MySQL语句。 I. Learn SQL 1. Manipulation - Create, edit, delete data 1.4 Create 创建数据库或数据库中的表 CREATETABLEcelebs ( i...
SQL_ASYNC_DBC_FUNCTIONS SQL_ASYNC_MODE SQL_ASYNC_NOTIFICATION SQL_BATCH_ROW_COUNT SQL_BATCH_SUPPORT SQL_CATALOG_NAME SQL_COLLATION_SEQ SQL_CONVERT_INTERVAL_DAY_TIME SQL_CONVERT_INTERVAL_YEAR_MONTH SQL_CREATE_ASSERTION SQL_CREATE_CHARACTER_SET SQL_CREATE_COLLATION SQL_CREATE_DOMAIN SQL_CREATE_SCHEMA...
These functions might split any surrogate pairs and lead to unexpected results. NCHAR Returns the character that corresponds to the specified Unicode code point value in the range 0 - 0x10FFFF. If the specified value lies in the range 0 - 0xFFFF, one character is returned. For higher values...
These functions might split any surrogate pairs and lead to unexpected results. NCHAR Returns the character that corresponds to the specified Unicode code point value in the range 0 - 0x10FFFF. If the specified value lies in the range 0 - 0xFFFF, one character is returned. For higher value...
The XQuery functions string-length and substring count each surrogate as two characters. The XQuery functions string-length and substring count each surrogate as one character. PIVOT is allowed in a recursive common table expression (CTE) query. However, the query returns incorrect results when there...
Functions Functions ODBC Scalar Aggregate Analytic Bit manipulation Collation Configuration Conversion Cryptographic Cursor Data type Date & time Graph JSON Mathematical Logical CHOOSE GREATEST IIF LEAST Metadata Ranking Replication Security String System ...
CHARACTER, CHARACTERISTICS, CHARACTERS, CHARACTER_LENGTH, CHARACTER_SET_CATALOG, CHARACTER_SET_NAME, CHARACTER_SET_SCHEMA, CHAR_LENGTH, CHECK, CLASS_ORIGIN, CLOB, CLOSE, COALESCE, COBOL, COLLATE, COLLATION, COLLATION_CATALOG, COLLATION_NAME, COLLATION_SCHEMA, COLLECT, COLUMN, COLUMNS, COLUMN_NAME, ...
Subclause 5.2, "<token> and <separator>": <concatenation operator> ::= || Subclause 6.29, "<string value expression>": <concatenation> ::= <character value expression> <concatenation operator> <character factor> Microsoft SQL Server 2008 R2 and Microsoft SQL Server 2012 vary as follow...