Bi thc hnh mn H qun tr CSDL Hng dn thc hnh mn H qun tr CSDL

Bi tp Ch 1 Stored-Procedure & Trigger & Function

Table of Contents1. Bi tp v Stored-Procedure ..................................................................................... 2 1.1. 1.2. 1.3. Store-Prodedure n gin ............................................................................................................... 2 Store-Prodedure c vng lp........................................................................................................... 2 Store-Prodedure c quy ............................................................................................................. 3

2. Bi tp v Cursor....................................................................................................... 3 3. Bi tp v Trigger...................................................................................................... 3

Khoa H thng thng tin i hc Cng ngh thng tin HQG Tp.HCM

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Bi thc hnh mn H qun tr CSDL

1. Bi tp v Stored-ProcedureVo Query Analysis, vit cc store-procedure trong CSDL hin hnh:

1.1. Store-Prodedure n gin1) 2) 3) 4) Vit stored-procedure In ra dng Hello Vit stored-procedure In ra dng Xin cho. Vit stored-procedure In ra dng Xin cho + @ten vi @ten l tham s u vo l tn ca bn. Vit stored-procedure In ra dng Xin cho + @ten vi @ten l tham s u vo l tn Ting Vit c du ca bn. Gi : s dng UniKey g Ting Vit chui unicode phi bt u bi N (vd: NTing Vit) dng hm cast ( as ) i thnh kiu ca 5) 6) 7) 8) 9) 10) 11) Vit stored-procedure Nhp vo 2 s @s1,@s2. In ra tng @s1+@s2. Vit stored-procedure Nhp vo 2 s @s1,@s2. In ra cu Tng l : @tg vi @tg=@s1+@s2. Vit stored-procedure Nhp vo 2 s @s1,@s2. Xut tng @s1+@s2 ra tham s @tong. Cho thc thi v in gi tr ca tham s ny kim tra. Vit stored-procedure Nhp vo 2 s @s1,@s2. Xut tng @s1+@s2 ra tham s @tong. Cho thc thi v in gi tr ca tham s ny kim tra di dng Tng l : @tg vi @tg =@s1+@s2. Vit stored-procedure Nhp vo 2 s @s1,@s2. In ra max ca chng. Vit stored-procedure Nhp vo 2 s @s1,@s2. In ra cu S ln nht ca @s1 v @s2 l @max vi @s1,@s2,max l cc gi tr tng ng. Vit stored-procedure Nhp vo 2 s @s1,@s2. Xut min v max ca chng ra tham s @max, @min. Cho thc thi v in gi tr ca cc tham s ny kim tra.

1.2. Store-Prodedure c vng lp12) 13) 14) 15) Vit stored-procedure Nhp vo s nguyn @n. In ra cc s t 1 n @n. Vit stored-procedure Nhp vo s nguyn @n. In ra tng cc s chn t 1 n @n Vit stored-procedure Nhp vo s nguyn @n. In ra tng, v s lng cc s chn t 1 n @n Vit stored-procedure Nhp vo 2 s. In ra c chung ln nht ca chng theo gi di y. b1. Khng mt tnh tng qut gi s a