Updating our tom tom

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These maps must be paid for but they are also the most carefully reviewed and updated.

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This may seem like a simple question: Update Column a1 in Table A with all data in Column b1 in Table B. I have a table named A containing say 100000 records. HSCODELIST 5 WHERE not exists 6 (SELECT NULL FROM VIStemp. Brao what I suggest then is not to do it in a single sql statement -- just proving that "there are exceptions to every rule". Type ----------------------------------------- -------- ---------------------------- BIN VARCHAR2(10) ACT_SL VARCHAR2(3) ACT_CODE VARCHAR2(11) ACT_VAL NUMBER(14,2) ENTRY_DATE DATE SQL DESC VIS. Type ----------------------------------------- -------- ---------------------------- BIN VARCHAR2(10) ACT_SL VARCHAR2(3) ACT_CODE VARCHAR2(11) ACT_VAL NUMBER(14,2) ENTRY_DATE DATE SQL UPDATE (SELECT DBHSCODELIST. the database needs to know that each row in dbhscodelist will map to AT MOST one row in hscodelist - this mandates a primary or unqiue key constraint on the join columns this is discussed in the original answer above.

Every once in a while there is a sale available on certain navigator models bought when such an important bonus was offered.

If we have owned such a navigator for a long time the maps become old and cannot be used efficiently.

On the newly purchased devices we must examine the benefits of the different models available on the market.

In order to make sure we have free maps on the Tom Tom navigator all the time it is important to purchase a model which has the Free Life Time Maps feature.

Not having an updated map database, a Tom Tom navigator with old maps becomes useless and may have a lot of errors.

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