retrieving a single value from a query

... compared to retrieving a single value using an output parameter or using a DataReader, it allows a single value to be returned with the least code and may therefore improve readability and maintainability. ... ExecuteScalar( ) method of the Command object returns a single value from the data source rather than a table or data stream. While the ExecuteScalar( ) method does not result in a performance ... therefore improve readability and maintainability. If the result set returns more than one result, the first column of the first row is returned as a scalar value. A null reference is returned if...

Ngày tải lên: 14/12/2013, 18:16

... increment, start value, maximum value, cycling, and caching can be specified when creating the sequence. Oracle stores the definition of sequences for a database in a single data dictionary table in ... SYSTEM table namespace. As a result, all sequence definitions are always available. A sequence is referenced in SQL statements using the NEXTVAL and CURRVAL keywords. NEXTVAL generates and returns ... parameter name constants for table [ Team LiB ] Recipe 4.4 Getting a Sequence Value from Oracle Problem When you add a row into an Oracle table that uses a sequence to generate the value for a primary...

Ngày tải lên: 21/01/2014, 11:20

... cross-checking Volker Wieland 21 2007 Corporate marginal tax rate, tax loss carryforwards and investment functions – empirical analysis using a large German panel data set Fred Ramb x t,i,j j ... Welfare effects of financial integration Fecht, Grüner, Hartmann 12 2007 The marketability of bank assets and managerial Falko Fecht rents: implications for financial stability Wolf Wagner ... visiting researchers have access to a wide range of data in the Bundesbank. They include micro data on firms and banks not available in the public. Visitors should prepare a research project...

Ngày tải lên: 22/03/2014, 23:20

Ngày tải lên: 28/03/2014, 22:20

Ngày tải lên: 19/06/2014, 22:20

Ngày tải lên: 28/06/2014, 11:20

Ngày tải lên: 28/06/2014, 11:20

... name Data type Description CONSTRAINT_CATALOG nvarchar(128) Constraint name CONSTRAINT_SCHEMA nvarchar(128) Constraint owner CONSTRAINT_NAME sysname Constraint name TABLE_CATALOG nvarchar(128) ... REFERENTIAL_CONSTRAINTS information schema view Column name Data type Description CONSTRAINT_CATALOG nvarchar(128) Database name CONSTRAINT_SCHEMA nvarchar(128) Constraint owner name CONSTRAINT_NAME ... CONSTRAINT_CATALOG nvarchar(128) Constraint qualifier CONSTRAINT_SCHEMA nvarchar(128) Constraint owner name CONSTRAINT_NAME nvarchar(128) Constraint name TABLE_CATALOG nvarchar(128) Table qualifier TABLE_SCHEMA...

Ngày tải lên: 26/01/2014, 10:20

... from Amersham Pharmacia Biotech; Concanavalin A (Con A) - agarose was from Seikagaku Kogyo (Tokyo, Japan); rabbit muscle G-actin and salmon testis DNA were from Sigma; Superscript II reverse transcriptase ... (E. quadrivirgata, E. climacophora and A. blomhoffii), amphibian (X. laevis, Rana catesbeiana, Bufo vulgaris japonicus and Cynops pyrrhogaster), avian (chicken) and fish (O. mossambicus) DNases I ... reagent grade and available commercially. The snakes and Japanese white rabbits were acquired, main- tained and used in accordance with the Guidelines for the Care and Use of Laboratory Animals...

Ngày tải lên: 20/02/2014, 23:20

... lumen are sensed by the canonical EF-hand motif and cause conformational changes in this motif. The Ca 2+ signal change and the accompa- nying conformational change in the canonical EF-hand are ... H-W, Ayalasomayaj- ula G & Yang J (2006) Prediction of EF-hand calcium binding proteins and analysis of bacterial EF-hand proteins. Proteins 65, 643–655. 28 Marti-Renom MA, Stuart AC, Fiser A, ... redistributed from the ER membrane to form ‘punctae’ and aggregates near the plasma membrane [1,6]. The N-terminal region of STIM1 contains a canonical EF-hand motif and a pre- dicted SAM domain. Stathopulos...

Ngày tải lên: 07/03/2014, 00:20

... latter has the additional attributes of being available anywhere, at anytime and on any device. If it was only a simple as a mouse-trap. The complication is that for most customers they already ... functional transformation that has taken placed as a result of cloud services, namely; the impact on the assessment of value. This is a timely discourse as the vast majority of customers are using ... performance measure. It is only this performance measure that constitutes a true apples- to-apples comparison for the assessment of cloud service value. In addition, the traditional performance measure...

Ngày tải lên: 09/03/2014, 02:20

... (5¢-AAGTCCCAAAATATTATGGA TATGATGGCTCGATTTCTCGAG-3¢); ELE28 (5¢-ATG AAAGTTCAAGAGAAGATCAATCTC-3¢); ELM99 (5¢- ATGAGGGGTGCTATGAAGATCAAGG-3¢); ATL100 (5¢-ATTAGGGGTGCGCTGAAGATCAAGG-3¢); ATL14- L15F18 (5¢-AAATCCGATGCAATCCTGGACCTGCTG AAGGAATTTCTTTCCACCGACGCC-3¢). ... was amplified from E. lagascae cDNA by the use of primers SCPElNE (5¢-ACTGGAATTCAACT CAAGTCCCAAAATATTTTGGAT-3¢) and SCPElCN (5¢-TCATGGCGGCCGCTCACAGCTTCGACGGCTTGG GGAA-3¢). The PCR fragment obtained ... E. lagascae SCP-2, was performed with the FirstChoice RLM-RACE kit (Ambion, Austin, TX, USA). Outer (STOP, 5¢-GAC AAATTCGATCCAAATCCA-3¢) and inner (STPI, 5¢-CAG TATGCCTCACAGCTTCG) E. lagascae...

Ngày tải lên: 16/03/2014, 12:20

... Gladys M. Navarro 1 Eleanor D. Paca Carlo Rimas ABSTRACT National parks or generally protected areas (PAs) normally hold a high value as a recreational resource or destination. ... “Economic valuation of a protected area: Lanao Danao National Park”. Based from the findings of the study, variables affecting preservation demands and total WTP are age, household annual income, ... economic approach to calculate welfare measurement. Grandstaff and Dixon (Grandstaff and Dixon, 1986) and Kaosa-ard, et al., (Kaosa-ard, et al., 1995) studies combined TCM with contingent valuation...

Ngày tải lên: 25/03/2014, 20:23

Ngày tải lên: 30/03/2014, 03:20

Ngày tải lên: 31/03/2014, 08:20

Ngày tải lên: 18/06/2014, 18:20

Ngày tải lên: 22/06/2014, 19:20

... and to boot from. Another RAID-1 device will be used as swap, to have a fault tolerant page swapping. RAID-1 device Mount point Bootable Software RAID devices /dev/md0 / Yes /dev/hda1, /dev/hdc1 /dev/md1 ... swap No /dev/hda2, /dev/hdc2 A real scenario just needs to provide a RAID-1 /dev/md0 that can be of any size (provided it is enough hold the linux installation) and composed of any software RAID-1 ... RAID-1 devices to mount as /home, /usr, etc. Installing and partitioning Start the installation as usual booting from Fedora 4 DVD and proceed until the Disk Partitioning Setup page is reached,...

Ngày tải lên: 18/09/2012, 10:11

... Intel as a time in the life of a business when its fundamentals are about to change.” Banks had to make changes with the advent of automated teller machines (ATMs), and major airlines have to make ... marketing. A company can always outsource its manufacturing. What makes a company ing the problem more carefully. Peter Drucker says that his greatest strength as a consultant is to be ignorant and ask ... manufacturer. Caterpillar’s brand personality triggers such associations as hardworking, resilient, tough, bold, and determined. So Caterpillar has been able to launch Cat jeans, sandals, sunglasses, watches,...

Ngày tải lên: 21/09/2012, 17:33