What is difference between equi join and natural join?

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What is truncate table?

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table:employee EID ENAME MID(manager ids) 101 rama null 102 sita 101 103 siva 101 104 ganesh 103 . . . . . . for 103 ID the manager ID is 101(RAMA) and for 104 manager is SIVA if i give employee id (EID) you have to tell the manager for that EID write query? eample:if i give 102 .The query output should be manager for 102 ID that it should print RAMA as output

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The external application that is executed in one of the tasks does not have a log file, but only a screen log. How can I save the data from the screen? : sql server management studio

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Do you know data definition language, data control language and data manipulation language?

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How to delete an existing row with delete statements in ms sql server?

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What is postgresql server?

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1.how to find the dead lock in sql server? 2.How to fine the memory leaks in sql server? 3.suppose transaction log file increasing what action will take ?

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What is 3nf normalization?

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What is the difference between push and pull subscription? : sql server replication

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What is the difference between composite index and covering index?

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How do we return a record set from a Stored Procedure in SQl server 2000?

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