what are the nonstandard string types? : Sql dba

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Can two tables have same primary key?

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Can we create foreign key without primary key?

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What can be a size of a pl/sql block? Is there any limit?

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how to dump a table to a file with 'mysqldump'? : Sql dba

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how to Update table Sales_summary with max(sales) data from table sales_dataTable 1. sales_data table Table 2. Sales_summary Region sales Region sales N 500 N 0 N 800 W 0 N 600 W 899 W 458 W 900 I want the Sales_summary After Update like this Region Sales N 800 W 900

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what does myisamchk do? : Sql dba

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What is the use of & in pl sql?

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What does an inner join do?

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what are the differences between char and nchar? : Sql dba

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What is java sql package?

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what is union? : Sql dba

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