Caché Transact-SQL (TSQL) Migration Guide - InterSystems ...

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TSQL Functions6.1.38 LOGLOG(num)Returns the natural logarithm of num. Thus LOG(2) returns .69314718055.6.1.39 LOG10LOG10(num)Returns the base-10 logarithm of num. Thus LOG10(2) returns .301029995663.6.1.40 LOWERLOWER(string)Returns string with all uppercase letters converted to lowercase. See UPPER.6.1.41 LTRIMLTRIM(string)Removes leading blanks from string. See RTRIM.6.1.42 MAXMAX(numfield)Aggregate function: used in a query to return the largest (maximum) of the values in the numfield column. For example:SELECT MAX(Age) FROM Sample.PersonFields with NULL are ignored.6.1.43 MINMIN(numfield)Aggregate function: used in a query to return the smallest (minimum) of the values in the numfield column. For example:SELECT MIN(Age) FROM Sample.PersonFields with NULL are ignored.6.1.44 MONTHMONTH(date)Returns the month portion of the specified date or date/time string. The date can be specified in ODBC timestamp format:yyyy-mm-dd hh:mm:ss.n42 Caché Transact-SQL (TSQL) Migration Guide
Supported FunctionsThe date separator must be a hyphen (-). Dates in any other format return 0.The date can also be specified in Caché $HOROLOG date format, such as 60703 (March 14, 2007).6.1.45 NCHARNCHAR(num)Returns the character corresponding to the integer value num. Thus NCHAR(65) returns A.NCHAR is functionally identical to CHAR. The reverse of this function is ASCII.6.1.46 NEWIDNEWID()Returns a unique value of a type compatible with the SQL Server UNIQUEIDENTIFIER data type. UNIQUEIDENTIFIERis a system-generated 16-byte binary string, also known as a GUID (Globally Unique ID). Caché TSQL does not supportUNIQUEIDENTIFIER; it instead uses VARCHAR(32) as the data type for a Globally Unique ID.NEWID() can be used to specify the DEFAULT value when defining a field.6.1.47 NULLIFNULLIF(expr1,expr2)Returns NULL if expr1 is equivalent to expr2. Otherwise, returns expr1.6.1.48 OBJECT_IDOBJECT_ID(objname)Takes the object name as a quoted string and returns the corresponding object ID of the specified object as an integer.Returns the empty string if objname does not exist. Can be used within procedure code or trigger code. The inverse ofOBJECT_NAME.CREATE PROCEDURE GetNameAS SELECT OBJECT_ID('Person')GO6.1.49 OBJECT_NAMEOBJECT_NAME(id)Takes the object ID integer and returns the corresponding object name of the specified object. Returns the empty string ifid does not exist. Can be used within procedure code or trigger code. The inverse of OBJECT_ID.CREATE PROCEDURE GetIDAS SELECT OBJECT_NAME(22)GOCaché Transact-SQL (TSQL) Migration Guide 43
Page 1 and 2: Caché Transact-SQL (TSQL)Migration
Page 3 and 4: Table of ContentsAbout This Book ..
Page 5 and 6: 6.1.6 AVG .........................
Page 7: About This BookThis book describes
Page 10 and 11: OverviewAlternatively, you can invo
Page 13 and 14: 2Caché TSQL Constructs2.1 Current
Page 15: Commonly Used ConstructsDECLARE C C
Page 20: Caché TSQL Language ElementsBOOLEA
Page 23 and 24: 4TSQL CommandsThis chapter lists th
Page 25 and 26: Data Definition Language (DDL) Stat
Page 27 and 28: Data Management Language (DML) Stat
Page 29 and 30: Query StatementsA WHERE clause can
Page 31: Transaction StatementsDECLARE @var
Page 34 and 35: TSQL Commands4.7.2 ALTER FUNCTIONSu
Page 36 and 37: TSQL Commands4.9.2 IMPORTASQUERYThi
Page 38 and 39: TSQL SettingsThe default value is 1
Page 40 and 41: TSQL Functions6.1.6 AVGAVG(numfield
Page 42 and 43: TSQL FunctionsFor further details,
Page 44 and 45: TSQL Functionsyymmdddw, wwkhhmissms
Page 46 and 47: TSQL Functions6.1.25 DAYDAY(date)Re
Page 50 and 51: TSQL Functions6.1.50 PATINDEXPATIND
Page 52 and 53: TSQL Functions6.1.60 RTRIMRTRIM(str
Page 54 and 55: TSQL Functions6.1.72 TANTAN(float)T
Page 57 and 58: 7TSQL Variables7.1 Host Variables a
Page 59: @@ Special Variables@@ROWCOUNT valu
Page 62 and 63: Using the TSQL ShellThe TSQL Shell

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