DECLARE@textNVARCHAR(100)='Learning SQL Server';DECLARE@charNCHAR(1)='x';DECLARE@positionINT;SET@position=CHARINDEX(@char,@text);IF@position=0BEGINPRINT'Character not found in the string.';ENDELSEBEGINPRINT'Character found at position: '+CAST(@positionASNVARCHAR);END 1. 2. 3. 4. 5. 6....
從COLUMNS 結構描述資料列集,SQL Server 會擷取 TABLE_CATALOG、TABLE_SCHEMA、TABLE_NAME、COLUMN_NAME、COLUMN_GUID、ORDINAL_POSITION、COLUMN_FLAGS、IS_NULLABLE、DATA_TYPE、TYPE_GUID、CHARACTER_MAXIMUM_LENGTH、NUMERIC_PRECISION 和NUMERIC_SCALE 資料行。 COLUMN_NAME、DATA_TYPE 和ORDINAL_POSITION 必須...
SET TEXTSIZE 0; -- Create variables for the character string and for the current -- position in the string. DECLARE @position INT, @string CHAR(8); -- Initialize the current position and the string variables. SET @position = 1; SET @string = 'New Moon'; WHILE @position <= DATALENGTH...
SETTEXTSIZE0;-- Create variables for the character string and for the current-- position in the string.DECLARE@positionINT, @stringCHAR(8);-- Initialize the current position and the string variables.SET@position=1;SET@string='New Moon'; WHILE @position <= DATALENGTH(@string)BEGINSELECTASCII...
The rules also specify the code page that's used to store non-Unicode character data. Both Unicode and non-Unicode sorting are compatible with string comparisons in a particular version of Windows. This provides consistency across data types within SQL Server, and it lets developers sort strings...
This example returns the first location of the string is in string This is a string, starting from position 1 (the first character) of This is a string.SQL Afrita SELECT CHARINDEX('is', 'This is a string'); Here is the result set....
replace 必需。规定替换 find 中的值的值。 string 必需。规定被搜索的字符串。 count 可选。一个...
When using SC collations, bothstart_locationand the return value count surrogate pairs as one character, not two. For more information, seeCollation and Unicode Support. Examples A. Returning the starting position of an expression This example searches forbicyclein the searched string value variable...
The rules also specify the code page that's used to store non-Unicode character data. Both Unicode and non-Unicode sorting are compatible with string comparisons in a particular version of Windows. This provides consistency across data types within SQL Server, and it lets developers sort strings...
In SQL Server 2012 (11.x) the sp_dboption was removed. Regardless of the compatibility level, the statement EXEC sp_dboption 'AdventureWorks2022', 'autoshrink', 'FALSE'; will produce error 2812 (Couldn't find stored procedure 'sp_dboption'). For more information on breaking changes, see ...