The CHAR_LENGTH function counts the number of characters in a string, similar to LENGTH, but is explicitly designed to handle character length, making it ideal for character-based data manipulation. Syntax: CHAR_LENGTH(string) Example: CHAR_LENGTH("hello") returns 5, directly counting each ...
string1 NOT SIMILAR TO string2 [ESCAPE char] N/A 如果string1不与SQL正则表达式string2匹配,则返回TRUE;如果string1或string2为空,则返回UNKNOWN。如果需要,可以定义转义字符。目前还不支持转义字符。 value1 IN (value2 [, value3]*) value1.in(value2) 如果value1存在于给定列表(value2、value3等)中,...
This method returns an int between 0 and 4 inclusive, or null if any of its parameters is null. Note that value of 0 means that strings are not similar to each other. Value of 4 means that strings are fully similar to each other (have the same SOUNDEX representation).Example:...
Similar to TRANSACTION_TIMESTAMP, returns a value of type TIMESTAMP WITH TIME ZONE that represents the start of the current statement. [Date/time functions] STDDEV [aggregate] Evaluates the statistical sample standard deviation for each member of the group. [Aggregate functions] STDDEV [analytic]...
In my previous posts I discussed new Functions introduced in SQL Server vNext (or 2018), like STRING_AGG(), TRIM(), TRANSLATE(). Here in this post I’ll discuss about one more new function i.e. CONCAT_WS(), here “_WS” means “With Separator”. This is very similar to the exis...
MAKEDATE is another similar function, but MAKEDATE requires the input of numeric values for year, month, and day. DATEADD Adds a specified number of date parts (months, days, etc) to the starting date. Syntax DATEADD(date_part, interval, date) Output Date Definition Returns the specified date...
When you do so, you may also want to join a field in a family with a similar field in another family, which will create an ad hoc association between the two families. By joining a field in one family to a field in another family, you create a query join. Details There are two...
Table 1 describes the basic geospatial geometric elements.You can build complex geospatial geometries based on basic geospatial geometric elements. Table 2 describes the
STRING_AGG This function is similar to the GROUP_CONCAT() function but it is only supported in the SQL Server database. An example usage is as follows: SELECT department, STRING_AGG(first_name, last_name, ' ') AS full_name FROM
3.2 Comparison Functions and Operators 3.3 Logical Operators 3.4 Assignment Operators 4 Control Flow Functions 5 String Function5.1 String Comparison Functions 5.2 Regular Expressions 5.3 Character Set and Collation of Function Results 6 Numeric Functions ...