Oglavlenie fajla ( /SCHOOL/schoolsql.txt )

Kratkoe posobie po yazyku SQL
Soglasheniya o yazyke SQL i nachal'nye ponyatiya.
Identifikatory INFORMIX.

 * Gruppy operatory yazyka SQL * .

1. OPERATORY OPISANIYA DANNYH * .
2. Operatory zadaniya prav dostupa v baze dannyh.
3. Operatory tranzakcij i vosstanovleniya dannyh.

 * 4. OPERATORY MANIPULYACII DANNYMI * .
Operator DELETE.
Prostejshaya forma operatora SELECT.
Operator  INSERT.
Operator UPDATE.
Predlozhenie WHERE.

 * USLOVIYA S PODZAPROSOM * 
Operator UNLOAD
Operator  LOAD

 * 5. SNOVA OPERATOR  SELECT * .
Predlozheniya INTO, INTO TEMP, FROM.
Agregatnye funkcii.
Gruppirovka GROUP BY.
Vneshnee soedinenie tablic.

6. SLOZHNYE PRIMERY MANIPULYACII DANNYMI * .