SQL Server selecting a string from table using in clause

Question

I'm having a strange SQL Server issue.

Using the following query:

SELECT id FROM table WHERE id IN ('id1', 'id2', .......)

when id is nchar(30) and 'id1','id2' are values, I get a result which isn't in the values I entered.

Is it possible that SQL Server is searching for a string contained in the values?

Added

query:

SELECT Word FROM WordDictionary WHERE Word IN ('DESPERADO', 'WWW.MYSAVINGS.COM', 'RELIED', 'GALS/GUYS....U', 'MISSOULA', 'STARING...WHY', 'OHIO,,,WHAT', 'ALEYO"MEANS', 'EXCRETE', 'POETERS', 'REMOVAL?IF', 'MOTOT', 'VIEW/SOUND', 'SCHOLD', 'FLINGS', '300000', 'BIGBANG', 'INVOKE', 'COMPLIER', 'UPNISHAD', 'FLUFF/LINT', 'DONATED?..PLEASE', 'EPHEDRINE', 'AGAIN-', 'WHUNT', 'LEVE', 'ARIEL', 'SEIZURES,AND', 'ANYON', 'WELL~AS', 'GGGGGGGGOOOOOOOOOOOOOOOOODDDDD', 'ALGERIA', 'LONDON...CAN', 'TWAIN''S', 'BUTIFUL', 'CIRRHIOSIS', 'PHP-NUKE', 'SCREWD', 'RECONNECT', 'BAND...''SIGUR', 'ROS''', 'DEFLEPOARD', 'FIHGT', 'DRE''S', 'ACQUAINTED', '77067', 'INCREASE/DECREASE', 'AWHILE..SHOULD', 'BABY???..MORE', 'CHRISTEN', 'SUNSLIFE', 'HYANCINTHS', 'NOVEMEBER', 'IEEE', 'IRENE', '5"4', 'BAYSIDE', 'DOJO', 'PEOPLES::DO', 'INFORMATION/ANSWER', 'BLACKWORM', 'MYWIFE.D', '42D', 'COLONEL', 'ESCAPES', 'KW', 'WASH/CLENSE', 'ENCOURAGES', 'HOLINESS', '4710', 'MONOATOMIC', 'FORM-', 'NAVIGATIONS', 'ASHLIEY(TWINS', 'ALIAS....WHAT', 'MARIOKART', 'HORNYNESS', 'CONVERSIONS', 'NUIT', 'PARISTEL:0660442290PL06', 'PUSSY', 'WILLOWS', 'BOYFRIEND/BABYDADDY', 'PARASITES', 'TABOILD', 'J.T', 'TERESEA', '---FREE---', 'KAMORA', 'SIMONS', 'FORSYTHIA', 'RAZORTHOUGHT', 'ABSINTHE', '9-3', 'BAIT-CASTING', 'CUMULATIVE', 'HELP>>>', 'MATZO', 'LIMOSINE', 'SCD353', 'BANGARAM', 'BRUNEL', 'KWTV878', 'NEAPOLITAN', 'OFYOUR', '2SIN', '²', '3SINX', 'IMPERFECTION', 'NONBELIEF', 'FLEM', 'NON-ADJACENT', 'WASHINGTION', 'WHERE/IF', 'BRONTE''S', 'WUTHERING', 'SOMEONE/A', 'TEAM.WHAT', 'PRESIDENT,WHEN', 'DIRICHLET', 'X-AND', 'Y-INTERCEPTS', 'STAMPED', 'PROCRDURE', 'AK32', '*67', 'HANUKKAH', 'MONIE', 'TAGAYTAY', 'NATURES', 'HASS', 'TORMENTS', 'PROPOTIONAL', 'SUDERLAND', 'CONROL', 'CONSEQUENCE', 'SAW?YOU', 'WITHDREW', 'PMT', 'JAIL?WAT', 'DEFFEND', '-12>8X', '4X>6', 'MX-C550', '6-DISC', 'SVQ3', 'BULLSHITING', 'PWEAZE', '23SECONDS', 'VISHWANATHAN''S', 'INTERNALIZING', 'MCCAFFERTY''S', 'TODAY...AND', 'CHANCE....WOULD', 'DEC.''41', '''45', 'HAILLE', 'SELASSIE', 'OF...GREENDAY', 'DEAD/ARMY', 'EX-NFL', 'JACKSONVILLE,FL', 'ATLANTA,HOUSTON,OR', 'ECCENTRICITY', 'CONIC', '[email protected]', '[email protected]', 'DISCRET', '_______', 'ROMACE', 'SUBCATEGORY', 'REDUDUCE', 'EXERCISER', 'MUNITE', 'MESSENGER.SO', 'NIGEL', 'PLANER', 'QUESTION?31576*66496139', 'KODJOE', '919', '1847', 'D.WADE', 'HUMAN''S', 'MULTI-NATIONAL', 'GOGGLE', 'GAAP', 'CONFUSED.IONT', 'ST8', 'ROOM/HOME', 'BOLB', 'GRANDMA-', 'PARSON', 'BELIZE', 'UNITY', 'AWARDS''', 'TOGHTHER', 'LONDON+GREATER', 'JERSEY...IE', 'NETGAR', 'NBC,ABC', 'CONON', 'RECIDENT', 'CANCERS', 'PITTSBURGH/INDY', 'CREATETH', 'MUSICAL''S', 'HEELLLLPPPP', 'MASRER', 'NAME,AND', 'ANAEROBIC', 'SPACIAL', 'SPOUSE/SIGNIFICANT', 'TRIGNOCEPHALY', 'RAW''S', 'BLOGGIN', '9.2', 'FLATTENING', 'FLOWER,ANIMALAND', 'EXPRESSES', 'FRDS', 'NOT?PLS', 'CLEARIFY', 'CLEARFIELD/JEFFERSON', 'HACE', 'FELICIANO', 'MEDICINE--THEY', 'DASCHUND', 'PLINTER', 'SKETCHY', 'I..WHAT', 'JUVENTINA', 'SOMUCH', 'SHEEN', 'HALEX', '11-IN-1', 'URBANIZATION', 'WILWOOD', 'CALIPER', 'NERVE-RACKING', 'OBSESESSION', 'EZRA', 'TALBOT', 'SHOCKWAVE', 'PASCO', '300$-600$', '108,000', '*BOYZ', 'ONLY*PLZ', 'INTERNET)CAN', 'CONCISE', 'TOP40', 'HICUPPS', '4:00', 'OPOSITE', 'NETWORKER?=', 'Q-LINK', 'HSG', 'AMINE', 'RIGHTS,,HOW', 'EMILIANO', 'PEDREGON', 'DILEMA', 'GROUPTHINK', 'MONTEAL', '17...&', '13:04', 'NASHIK', 'NOBIA', 'LINEWIRE', 'ISOCKS', 'DAY........WAIT', 'KATY', 'BODERLINE', 'CONNORS', 'WHWRE', 'CROMWELL', 'COE', '1+1=', 'UMMM.....WHATS', 'BOND''S', 'VIEWLOADER', 'MAXIS', '[email protected]', 'SCISSORS', 'UNSANITARY', 'KANSANS', 'SALINA', '''ARENA''', '''CAROLINA''', 'BIOMAGNIFICATION', 'BIOASSIMILATION', 'WOMBATS', 'POOS', 'ARSES', 'SOCIALIZATION', 'GROUPS,RACES', 'FULL-BLOOD', 'TASMANIAN', 'INCLINE', 'PICA', 'FIGGERED', '9.HE', 'RETINOBLASTOMA,IS', 'COAT''S', '2MOWRO', 'DOTHAN', 'DIFRNT', 'DEPICTS', 'WHAK', 'NETHERLAND', 'FORTHE', 'OFMICROSOFT', 'INDIGO', 'I-MAC', 'SHANGHAINESE', 'DINOSAOUR', 'SUBCAMPS', 'CARDINAL', 'NEBRASKA''S', 'KOMO', 'PIRATE/SAILING', 'ZOPICLONE', 'CRYPTIC', 'CLUE"COULD', 'WHEELCHAIR,NO', 'OVERWIEGHT.DOES', 'ALL..MY', 'BOYFRIIEND', 'MAGTECH', 'TROUBLES...ANY', 'BACK,REDUCED', 'JEWELY', 'CRAFTSMEN''S', 'HAUNTER', 'GENGAR', 'CRYSTAL.WHERE', 'LAHORE', 'SANDLER''S', 'ACCENT...WHAT', 'WOOOOOAAAAAAAAH', 'W''T', '[email protected]', 'SPEICES', 'MCFLY', 'BIOCONVERSION', 'GUERRERO', 'CATHOLICS......WHAT', 'NOV.1--', 'ECONOLINE', 'AMOVIE', 'COUNSELLING', 'HANDSPAN', 'ATTIUTE', 'HAIR??HELP', 'PLASTIC?CERAMIC', 'TITLEIST', 'REISDENTS', '7''S', 'FERMATS', 'JBW&CWW', 'RB''S', 'KENYON', 'BAPTIST''S', 'THUMPERS', 'THOZ', 'HATZ', 'MSNISMS', 'POLL/SURVEY', 'INFUSION', 'FUNDRAISER', 'PROTECTS', 'ANTOINO', 'SYALLBUS', 'GCSES', 'SPIDER,SNAKE,DOG,CAT', 'KNOW.PLEASE', 'CHACH', 'DISSAPIONTED', 'TODGER', 'SH*TTING', 'LODESTONE', 'SARBANES', 'OXLEY', 'ANOTHR', 'RELATIONSHIP????HOW', 'T9', 'JIGGLY', 'GOOD?IS', 'HARDEN', 'DESERT?I', 'SIGNIFANT', 'WEDO', 'SCHAT', 'LQ', 'TENCHI', 'ME...WHAT''S', 'ERUPTED', '£40', '£150', 'UPGRATE', 'I500', '2003SE', 'PROMOT', 'SALUTES', 'GRAEME', 'SOUNESS', 'SERRONE', 'AHAVE', 'BUSTSA', 'IMPARTIAL', 'SUGARCULT', 'RFID', 'SWIPE', '30X', 'HOUSE''S', 'BI-WAY', 'BLYTHE,CA', 'REDDER', 'PLUMPER', 'LEFTWINGERS', 'WHINGE', 'ANNOYING..!!1', 'SENSORY', 'ADHD/ODD', 'ZYBAN', 'RAMP', 'SUB-WOOFER''S', 'TATTOOIST', '477', 'SOFISTCATED', 'B/J', 'ALLURE', 'THIS?(SEE', 'PAKISTANIS:DO', 'PLEASE?I', 'CLASHING', 'KNOW(DOCS', 'WHITESMOKE', 'SCREEN''S', 'SPINK', 'YOUI', 'DELICATE', 'MISDIAGNOSED', 'DIPERNO', 'HIM.PLEASE', '45CM', '35CM', 'ENOUGHT', 'DECIMETERS?PUT', 'RDMB', 'HOMELOANS', 'HAA', 'ORIGIANL', 'RESTON', 'ZINNIAS', 'PERENNIAL', 'WHOOPIE', 'CUSHIONS', 'POOFS', 'CAT,ITS', 'TIME,ITS', 'TUXEDOS', 'CHICKAN', 'WHISLE', 'RUMBLING', '7LEVELS', 'YOUFROM', 'CEMO', 'RECURRENT', 'LARYNGEAL', 'W/NO', 'SOUCRE', 'COMMA', 'WORDCUB', 'WOMEN:HAVE', 'PIGGYBACK', 'ANOLE', 'CHRISTIANSEN', 'SWEEPSTAKES,GETTING', 'WON.HOW', 'EUDORA5.1', 'EXPRESS,NETSCAPE4.X', '6.X', '''COURT', 'WISK''', '4/13', '50-70', 'DAUGHTER,CAN', 'UVULA', '''AYURVEDA''', 'ACUPUNTURE', 'BAJA', 'REASONIBLE', 'PUZZY', 'SORCERER', 'DISEASES/SICKNESS', 'ANUS/RECTUM?CAN', 'HOME?WHAT', 'COCETH', 'KELLOGGS', 'DAISUKE')

result:

2

Added

CREATE TABLE [dbo].[WordDictionary](
[Word] [nchar](30) NOT NULL,
[Count] [int] NOT NULL,
    CONSTRAINT [PK_WordDictionary] PRIMARY KEY CLUSTERED 
    (
      [Word] ASC
    )WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF,     
       ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]
    ) ON [PRIMARY]

Answer 1

Your IN list contains the item '²'.

I'll be very surprised if that isn't the source of the issue (though it doesn't actually match for me under my default collation)

Answer 2

Try making the strings in the IN() clause Unicode by prefixing with N

IN (N'Id1', N'Id2',...)