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Using SQL*Plus and Oracle Enterprise Manager.

There are many ways to connect and work with Oracle databases, but most often, the interface and SQL*Plus command set offered in Oracle are used for t…

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PostgreSQL localtimestamp function.

The localtimestamp PostgreSQL function returns the current date and time….

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PostgreSQL character_length function.

The character_length function in PostgreSQL returns the length of the specified string….

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PostgreSQL operator ||.

PostgreSQL operator || allows combining 2 or more lines together….

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PostgreSQL position function.

The PostgreSQLpositionfunctionreturns the substring location in a string….

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