Which sql most popular?

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How to avoid using cursors? What to use instead of cursor and in what cases to do so?

0 Answers  

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How do I run pl sql in sql developer?

0 Answers  

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what is the difference between sql and t-sql? : Transact sql

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What is offset and limit in sql?

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When do we use triggers?

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How much does sql certification cost?

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Is it possible to read/write files to-and-from PL/SQL?

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how to eliminate null values in a column i.e table vlaues 1 2 3 NULL 3 4 1 5 NULL i want output like this 1 2 3 3 4 1 5 i dnt want to use nvl is null and i dnt want replace the NULL value with any value i.e nvl(col,o);

11 Answers   Satyam,

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write a query to delete similar records in particular fields(columns) in different tables

6 Answers   TCS,

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what is collation? : Sql dba

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How to delete same emp id in sql query for exmaple in emp table emp id, empname, emp address. for example emp id =5, repeated in two times in rows same id how to delete same empid please any one of the write query send in my id

8 Answers   CGCI,

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