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Databases AllOther (288) If you are working on a SQL database and if suddenly a developer changes the code and your queries results start giving errors,how will you check using a T-SQL query (on system tables) that what has changed in the database.
2 7237can we use a having cluase in groupby clause. if there are 500 records i will give rownumber<250 then how many records does it retrieve. wt is the result of nvl2(null,notnull,null) if there are four tables without using cartesian how many joins can be there. in the sql subqueries wt is the parent ans1)select 2)update,3) delete 4)2&3
i2,
2 6079can anyone explain me the concept of Serialization in Detail and Clear? plz its urgent i have interview on friday (15th feb)
1 6485Differences between UNIQUE and DISTINCT in select statements
ABS, DELL, Deloitte, Hewitt, Oracle, Verinon Technology Solutions, Wipro,
26 135912
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