explain primary keys and auto increment fields in mysql : sql dba

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Which command is used to delete a trigger?

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hi this is nakka i have been looking for 1+ exp in oracle sql,plsql developer positions also have knoledge on d2k i am not getting proper walkins how to know it? where can i find it?

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What are the possible values that can be stored in a boolean data field?

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what are the different types of joins?

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Table 1: col1 Timestamp ---------------- 01-mar-2012 11:12:46 Table 2: col2 Timestamp -------------------- 01-mar-2012 11:12:10 01-mar-2012 11:11:23 Write a query to display a row with table2 col2 value less than tabl1 col1 value. Maximum timestamp value previous to table1 col1 value. Display a result as: Col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10

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How to add, remove, modify users using sql?

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What is scalar and vector?

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First round ------------------- - Procedure - Packages - Views - Virtual tables - Can we use dcl with in function? - Joins and few scenarios - Triggers and its type - Pragma, type and its functionality - How to create db link in oracle - Materialized view - How to find duplicate values from table? - Cursor and its functionality - Write a script to display friday and its date from a entire year. - Exception Handling Second round ------------------------ Gave a scenario like. Need to write a function to perform. When user try to change a password. It must not be last five password and a given password can be combination of characters, symbols, upper and lower case.

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How to sort the rows in sql.

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What is varchar data type in sql?

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What is t sql in sql server?

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