10kl vaicajumu veidošana

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Jelena Bikova

Datu bāze. Vaicājumu veidošana.

Education

10.klase
Mācību stundu tēma:
Vaicājumu veidošana.

Mācību stundu mērķis:
Veidot priekšstatu par vaicājumu jēdzienu,
vaicājumu veidošanas secību.
Prot:
 veidot un modificēt vaicājumu ;
 pievienojot un atceļot kritērijus vaicājumā;
izmetot, paslēpjot, atklājot laukus.

• Ar datu atlasi jau esat iepazinušies, tomēr
zināšanu atkārtošanai lietderīgi būtu ...

Vaicājumi (Query)
• ir datu bāzes objekts, kuru izmanto datu
atlasei pēc noteiktiem kritērijiem.

Vaicājumu skati
• Vaicājumus definē veidošanas skatā –
• Rezultātu apskata tabulas skatā -

Lai izveidotu vaicājumu:
atver vaicājumu projektēšanas skatā, lentes
cilnes Create lappuses grupā Queries piespiežot
pogu (pēc noklusējuma jaunam vaicājumam
tiek piešķirts nosaukums Query1):

1.vaicājums (saraksts)
Tabula, kurā notiek ierakstu atlase

• Vaicājuma izpildīšana-
• Vaicājuma saglabāšana -

4.vaicājums (10 vai 11_klase)
Izveidojiet vaicājumu atbilstoši
paraugam!
Tiks atlasīti ieraksti par skolēniem, kas
mācās 10.vai 11.klasē, skolēni tiks
sakārtoti vispirms pa klasēm, bet katrā
klasē pa uzvārdiem!
Apskatiet atlasītos datus tabula režīmā!
Saglabājiet vaicājumu ar vārdu
10 vai 11 klase un aizveriet to!

5.vaicājums (vid atz > par 7)
Izveidojiet vaicājumu atbilstoši
paraugam!
Tiks atlasīti ieraksti par skolēniem, kuru
vidējā atzīme ir lielāka par 7. Turklāt
ieraksti ir sakārtoti pēc vidējās atzīmes
dilstošā secībā (Descending).
Apskatiet atlasītos datus tabula režīmā!
Saglabājiet vaicājumu ar vārdu
vid atz > par 7 un aizveriet to!
Vaicājumos var izmantot salīdzināšanas simbolus >, >=, <, <=, = vai <> (nevienāds)

6.vaicājums (vid atz starp 5 un 8)
Izveidojiet vaicājumu atbilstoši
paraugam!
Tiks atlasīti ieraksti par skolēniem, kas
mācās 12.klasē un kuru vidējā atzīme ir
lielāka par 5 un mazāka par 8. Turklāt
ieraksti ir sakārtoti pēc uzvārdiem
alfabētiskā secībā (Ascending).
Apskatiet atlasītos datus tabula režīmā!
Saglabājiet vaicājumu ar vārdu
vid atz starp 5 un 8 un aizveriet to!

7.vaicājums (dzim pec 1999 gada)
Izveidojiet vaicājumu atbilstoši
paraugam!
Tiks atlasīti ieraksti par skolēniem, kas
dzimuši pēc 1999.gada 1.janvāra.
Ieraksti ir sakārtoti augošā secībā
(Ascending).
Ievērojiet, ka programma pati ieliek #,
kuru Access izmanto kā datuma pazīmi!
Apskatiet atlasītos datus tabula režīmā!
Saglabājiet vaicājumu ar vārdu
dzim pec 1999 gada un aizveriet to!

Mana darba pašvērtējums:
• Novēro sev________________________
• Es vēl nesaprotu____________________
• Es vēlētos_________________________….
• Man lieka, ka es …………..

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10kl vaicajumu veidošana

1. 10.klase Mācību stundu tēma: Vaicājumu veidošana.

2. Mācību stundu mērķis: Veidot priekšstatu par vaicājumu jēdzienu, vaicājumu veidošanas secību. Prot:  veidot un modificēt vaicājumu ;  pievienojot un atceļot kritērijus vaicājumā; izmetot, paslēpjot, atklājot laukus.

3. • Ar datu atlasi jau esat iepazinušies, tomēr zināšanu atkārtošanai lietderīgi būtu ...

4. Vaicājumi (Query) • ir datu bāzes objekts, kuru izmanto datu atlasei pēc noteiktiem kritērijiem.

5. Vaicājumu skati • Vaicājumus definē veidošanas skatā – • Rezultātu apskata tabulas skatā -

6. Lai izveidotu vaicājumu: atver vaicājumu projektēšanas skatā, lentes cilnes Create lappuses grupā Queries piespiežot pogu (pēc noklusējuma jaunam vaicājumam tiek piešķirts nosaukums Query1):

7. 1.vaicājums (saraksts) Tabula, kurā notiek ierakstu atlase

8. • Vaicājuma izpildīšana- • Vaicājuma saglabāšana -

9. 2.vaicājums (11_klase)

10. Uzdevumi:

11. 3.vaicājums (11_klase no Rīgas)

12. 4.vaicājums (10 vai 11_klase) Izveidojiet vaicājumu atbilstoši paraugam! Tiks atlasīti ieraksti par skolēniem, kas mācās 10.vai 11.klasē, skolēni tiks sakārtoti vispirms pa klasēm, bet katrā klasē pa uzvārdiem! Apskatiet atlasītos datus tabula režīmā! Saglabājiet vaicājumu ar vārdu 10 vai 11 klase un aizveriet to!

13. 5.vaicājums (vid atz > par 7) Izveidojiet vaicājumu atbilstoši paraugam! Tiks atlasīti ieraksti par skolēniem, kuru vidējā atzīme ir lielāka par 7. Turklāt ieraksti ir sakārtoti pēc vidējās atzīmes dilstošā secībā (Descending). Apskatiet atlasītos datus tabula režīmā! Saglabājiet vaicājumu ar vārdu vid atz > par 7 un aizveriet to! Vaicājumos var izmantot salīdzināšanas simbolus >, >=, <, <=, = vai <> (nevienāds)

14. 6.vaicājums (vid atz starp 5 un 8) Izveidojiet vaicājumu atbilstoši paraugam! Tiks atlasīti ieraksti par skolēniem, kas mācās 12.klasē un kuru vidējā atzīme ir lielāka par 5 un mazāka par 8. Turklāt ieraksti ir sakārtoti pēc uzvārdiem alfabētiskā secībā (Ascending). Apskatiet atlasītos datus tabula režīmā! Saglabājiet vaicājumu ar vārdu vid atz starp 5 un 8 un aizveriet to!

15. 7.vaicājums (dzim pec 1999 gada) Izveidojiet vaicājumu atbilstoši paraugam! Tiks atlasīti ieraksti par skolēniem, kas dzimuši pēc 1999.gada 1.janvāra. Ieraksti ir sakārtoti augošā secībā (Ascending). Ievērojiet, ka programma pati ieliek #, kuru Access izmanto kā datuma pazīmi! Apskatiet atlasītos datus tabula režīmā! Saglabājiet vaicājumu ar vārdu dzim pec 1999 gada un aizveriet to!

16.

17. Atkārtosim:

18. Mana darba pašvērtējums: • Novēro sev________________________ • Es vēl nesaprotu____________________ • Es vēlētos_________________________…. • Man lieka, ka es …………..

10kl vaicajumu veidošana

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