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Bookmark or Share- postgresql - How to switch databases in psql? - Stack OverflowRun psql in command line, it will switch to default database; psql anotherdb, it will switch to the db with the name in argument, on startup. Share Improve this answer
- what does the assembly instruction 'db' actually do?The DB statement initializes memory with one or more byte values. label is a symbol that is assigned the current memory address. expression is a byte value that is stored in memory. Each expression may be a symbol, a string, or an expression.
- Which variable size to use (db, dw, dd) with x86 assembly?DB - Define Byte. 8 bits; DW - Define Word. Generally 2 bytes on a typical x86 32-bit system; DD - Define double word. Generally 4 bytes on a typical x86 32-bit system; From x86 assembly tutorial, The pop instruction removes the 4-byte data element from the top of the hardware-supported stack into the specified operand (i.e. register or memory ...
- sql - How does database indexing work? - Stack OverflowGiven that indexing is so important as your data set increases in size, can someone explain how indexing works at a database-agnostic level? For information on queries to index a field, check out ...
- what is the difference between OLE DB and ODBC data sources?While all databases have ODBC drivers, they don’t all have OLE DB drivers. There is however an interface available between OLE and ODBC which can be used if you want to access them in OLE DB-like fashion. This interface is called MSDASQL (Microsoft OLE DB provider for ODBC). SQL Server Data Access Technologies
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