What is group by in sql?
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What are stuff and replace function?
Explain alias in sql?
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I want to know last five transactions or records from emp table, from now?
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in sql table follw columns r their vehicle_no|servicetype|date|location| 1234 |1FS |1-JAN|PUNE| 4561 |2FS |5-JAN|PUNE| 1234 |PS |7-JAN|PUNE| 1234 |PS |15-JAN|MUMB| i want o/p below vehicleno|1fs|1fsdate|1fslocation|1ps|1PSDATE|1PSLOC|2PS|2PS DATE|2PSLOCA e.g 1234|1FS|1JAN|PUNE|1PS|7JAN|PUNE|2PS|15JAN|MUMBAI PLS help me out to execute using sql query
Mention what problem one might face while writing log information to a data-base table in pl/sql?
how mysql optimizes distinct? : Sql dba
How does index help in query performance?
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